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FORCE ACCELERATION [33 records]
Record 1 - internal organization data 2025-09-09
Record 1, English
Record 1, Subject field(s)
- Aircraft Piloting and Navigation
- Medical and Dental Services (Military)
Record 1, Main entry term, English
- anti-G straining manoeuvre
1, record 1, English, anti%2DG%20straining%20manoeuvre
correct, noun
Record 1, Abbreviations, English
- AGSM 1, record 1, English, AGSM
correct, noun
Record 1, Synonyms, English
- anti-G straining maneuver 2, record 1, English, anti%2DG%20straining%20maneuver
correct, noun
- AGSM 2, record 1, English, AGSM
correct, noun
- AGSM 2, record 1, English, AGSM
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Anti-G Straining Maneuver (AGSM)... A method for raising blood pressure and total peripheral resistance in order to increase tolerance to +Gz [positive gravitational force] acceleration by voluntary isometric contraction of the skeletal muscles of the limbs and abdomen while simultaneously exhaling against a closed or partially closed glottis to raise the intrathoracic and blood pressure. 2, record 1, English, - anti%2DG%20straining%20manoeuvre
Record 1, French
Record 1, Domaine(s)
- Pilotage et navigation aérienne
- Service de santé et service dentaire (Militaire)
Record 1, Main entry term, French
- exercice de contraction anti-G
1, record 1, French, exercice%20de%20contraction%20anti%2DG
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
[...] des recherches sur les effets physiologiques de la force d’accélération se sont traduites par la mise au point d’une combinaison anti-G et d’une combinaison d’exercices de contraction anti-G [...] Ces exercices comprennent une contraction isométrique des muscles et des exercices de régulation de la respiration. Ces deux méthodes constituent encore les principaux moyens d’accroitre la tolérance des pilotes d’aéronefs à hautes performances aux fortes accélérations. 2, record 1, French, - exercice%20de%20contraction%20anti%2DG
Record number: 1, Textual support number: 1 OBS
exercice de contraction anti-G : désignation habituellement utilisée au pluriel. 3, record 1, French, - exercice%20de%20contraction%20anti%2DG
Record 1, Key term(s)
- exercices de contraction anti-G
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2022-11-30
Record 2, English
Record 2, Subject field(s)
- Metrology and Units of Measure
- Scientific Measurements and Analyses
- Air Transport
Record 2, Main entry term, English
- newton
1, record 2, English, newton
correct, officially approved
Record 2, Abbreviations, English
- N 1, record 2, English, N
correct, symbol, officially approved
Record 2, Synonyms, English
- large dyne 2, record 2, English, large%20dyne
former designation
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
The force which, when applied to a body having a mass of 1 kilogram, gives it an acceleration of 1 metre per second squared. 3, record 2, English, - newton
Record number: 2, Textual support number: 1 OBS
newton; N: term, symbol and definition officially approved by the International Civil Aviation Organization (ICAO). 4, record 2, English, - newton
Record 2, French
Record 2, Domaine(s)
- Unités de mesure et métrologie
- Mesures et analyse (Sciences)
- Transport aérien
Record 2, Main entry term, French
- newton
1, record 2, French, newton
correct, masculine noun, officially approved
Record 2, Abbreviations, French
- N 2, record 2, French, N
correct, symbol, officially approved
Record 2, Synonyms, French
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Force qui communique à un corps ayant une masse de 1 kilogramme une accélération de 1 mètre par seconde carrées. 3, record 2, French, - newton
Record number: 2, Textual support number: 1 OBS
newton; N : terme, symbole et définition uniformisés par l’Organisation de l’aviation civile internationale (OACI). 4, record 2, French, - newton
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Metrología y unidades de medida
- Medición y análisis (Ciencias)
- Transporte aéreo
Record 2, Main entry term, Spanish
- newton
1, record 2, Spanish, newton
correct, masculine noun, officially approved
Record 2, Abbreviations, Spanish
- N 1, record 2, Spanish, N
correct, masculine noun, officially approved
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 DEF
Fuerza que, aplicada a un cuerpo que posee una masa de 1 kilogramo produce una aceleración de 1 metro por segundo al cuadrado. 1, record 2, Spanish, - newton
Record number: 2, Textual support number: 1 OBS
newton; N: término, símbolo y definición aceptados oficialmente por la Organización de Aviación Civil Internacional (OACI). 2, record 2, Spanish, - newton
Record 3 - internal organization data 2022-10-17
Record 3, English
Record 3, Subject field(s)
- Physics
Record 3, Main entry term, English
- equivalence principle
1, record 3, English, equivalence%20principle
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
A fundamental law of physics that states that gravitational and inertial forces are of a similar nature and often indistinguishable. 2, record 3, English, - equivalence%20principle
Record 3, French
Record 3, Domaine(s)
- Physique
Record 3, Main entry term, French
- principe d’équivalence
1, record 3, French, principe%20d%26rsquo%3B%C3%A9quivalence
correct, masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Principe selon lequel la masse qui détermine l'accélération prise par un corps sous l'action d’une force d’une part, et celle qui intervient dans l'attraction gravitationnelle subie par ce corps d’autre part, sont identiques. 2, record 3, French, - principe%20d%26rsquo%3B%C3%A9quivalence
Record number: 3, Textual support number: 1 CONT
Selon le principe d’équivalence entre masse grave et masse inerte, les phénomènes physiques observés dans un laboratoire en mouvement accéléré sont équivalents aux phénomènes observés dans un champ de gravitation uniforme. 3, record 3, French, - principe%20d%26rsquo%3B%C3%A9quivalence
Record number: 3, Textual support number: 1 OBS
Le principe d’équivalence est un des fondements de la théorie de la relativité générale. 2, record 3, French, - principe%20d%26rsquo%3B%C3%A9quivalence
Record number: 3, Textual support number: 2 OBS
principe d’équivalence : désignation et définition publiées au Journal officiel de la République française le 6 juin 2014. 4, record 3, French, - principe%20d%26rsquo%3B%C3%A9quivalence
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 2017-04-11
Record 4, English
Record 4, Subject field(s)
- General Mechanics (Physics)
- Aircraft Piloting and Navigation
- Launching and Space Maneuvering
Record 4, Main entry term, English
- specific force
1, record 4, English, specific%20force
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 DEF
The net inertial acceleration minus gravitational attractions. 2, record 4, English, - specific%20force
Record number: 4, Textual support number: 1 CONT
Conceptually, an inertial navigation system (INS) contains four basic elements: a vector accelerometer (to measure the specific force), an attitude reference (provided by the gyroscopes), a computer, and a clock. 3, record 4, English, - specific%20force
Record 4, French
Record 4, Domaine(s)
- Mécanique générale (Physique)
- Pilotage et navigation aérienne
- Lancement et manœuvres dans l'espace
Record 4, Main entry term, French
- force spécifique
1, record 4, French, force%20sp%C3%A9cifique
correct, feminine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 DEF
Différence entre l’accélération d’un véhicule et celle du champ de gravitation. 2, record 4, French, - force%20sp%C3%A9cifique
Record number: 4, Textual support number: 1 CONT
[La] force spécifique [...] permet [...] de constater un principe dit principe de relativité d’Einstein-Galilée, indiquant qu'on ne sait pas mesurer directement l'accélération d’un véhicule, mais seulement sa force spécifique. 2, record 4, French, - force%20sp%C3%A9cifique
Record number: 4, Textual support number: 2 CONT
Le cœur de la centrale [à inertie] avec ses accéléromètres, mesure [...] non pas l'accélération mais la force spécifique du véhicule. 3, record 4, French, - force%20sp%C3%A9cifique
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 2017-01-25
Record 5, English
Record 5, Subject field(s)
- Engineering Tests and Reliability
- Aeroindustry
Record 5, Main entry term, English
- force limited vibration testing
1, record 5, English, force%20limited%20vibration%20testing
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
- FLV testing 1, record 5, English, FLV%20testing
correct
Record 5, Textual support, English
Record number: 5, Textual support number: 1 CONT
In conventional vibration testing of space hardware, the acceleration input to the base of a test article is controlled to specifications that are typically derived from the article interface acceleration at higher level of assembly. This conventional approach to testing has been known for over 30 years to greatly overtest the test article at its own natural frequencies. In recent years, NASA's Jet Propulsion Laboratory led the development and implementation of an improved method called force limited vibration (FLV) testing. In addition to controlling the input acceleration, the FLV testing measures and limits the reaction forces between the test article and the shaker. 1, record 5, English, - force%20limited%20vibration%20testing
Record 5, Key term(s)
- force limited vibration test
- FLV test
Record 5, French
Record 5, Domaine(s)
- Fiabilité, contrôle et essais (Ingénierie)
- Constructions aéronautiques
Record 5, Main entry term, French
- méthode d’essai FLV
1, record 5, French, m%C3%A9thode%20d%26rsquo%3Bessai%20FLV
feminine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
- méthode de test vibratoire à force d’interface contrôlée 1, record 5, French, m%C3%A9thode%20de%20test%20vibratoire%20%C3%A0%20force%20d%26rsquo%3Binterface%20contr%C3%B4l%C3%A9e
feminine noun
Record 5, Textual support, French
Record number: 5, Textual support number: 1 CONT
Lors de tests vibratoires conventionnels de matériel spatial, l'accélération imposée à la base de l'unité mise à l'essai est contrôlée selon des spécifications habituellement tirées de l'accélération d’interface de l'unité à des niveaux avancés d’assemblage. Depuis maintenant 30 ans, cette approche conventionnelle de mise à l'essai du matériel est reconnue pour surtester les éléments à leurs propres fréquences naturelles. Au cours des dernières années, le JPL [Jet Propulsion Laboratory] de la NASA a été le chef de file dans le développement et la mise en œuvre d’une nouvelle méthode de test vibratoire où la force d’interface est aussi contrôlée(FLV pour Force Limited Vibration testing). En plus de contrôler l'accélération imposée, la méthode d’essai FLV mesure les forces exercées entre l'élément testé et le pot vibrant et limite ces dernières. 1, record 5, French, - m%C3%A9thode%20d%26rsquo%3Bessai%20FLV
Record 5, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 2016-10-31
Record 6, English
Record 6, Subject field(s)
- General Mechanics (Physics)
Record 6, Main entry term, English
- accelerating force
1, record 6, English, accelerating%20force
correct, officially approved
Record 6, Abbreviations, English
Record 6, Synonyms, English
Record 6, Textual support, English
Record number: 6, Textual support number: 1 OBS
accelerating force: term officially approved by the Lexicon Project Committee (New Brunswick). 2, record 6, English, - accelerating%20force
Record 6, French
Record 6, Domaine(s)
- Mécanique générale (Physique)
Record 6, Main entry term, French
- force d'accélération
1, record 6, French, force%20d%27acc%C3%A9l%C3%A9ration
correct, feminine noun, officially approved
Record 6, Abbreviations, French
Record 6, Synonyms, French
Record 6, Textual support, French
Record number: 6, Textual support number: 1 OBS
force d’accélération : terme uniformisé par le Comité du projet de lexiques(Nouveau-Brunswick). 2, record 6, French, - force%20d%27acc%C3%A9l%C3%A9ration
Record 6, Spanish
Record 6, Textual support, Spanish
Record 7 - internal organization data 2016-09-01
Record 7, English
Record 7, Subject field(s)
- Atmospheric Physics
Record 7, Main entry term, English
- gap wind
1, record 7, English, gap%20wind
correct
Record 7, Abbreviations, English
Record 7, Synonyms, English
Record 7, Textual support, English
Record number: 7, Textual support number: 1 DEF
A low-elevation wind associated with gaps or low elevation areas in mountainous terrain, including flow through valleys and canyons and among peaks. 2, record 7, English, - gap%20wind
Record number: 7, Textual support number: 1 CONT
Gap winds can range in width from hundreds of feet to over one hundred miles, and in unusual circumstances can be associated with strong winds exceeding 50 knots. These winds are normally quite shallow, extending hundreds of feet to a few thousand feet above the surface, with large changes of wind, or wind shear, at their upper and lateral boundaries. Gap winds are generally strongest when there is a large pressure drop across a gap, although there is one class of gap wind that does not depend on a pressure gradient across the gap. 3, record 7, English, - gap%20wind
Record number: 7, Textual support number: 1 OBS
Although physicially plausible, the venturi mechanism appears to be at odds with most real gap wind situations, where the strongest winds are generally over the exit region of the gap, not at the narrowest section or constriction. There are a number of reasons for the failure of the funnel model. First, there is no rigid lid in the real world. ... Another reason the flow tend to be strongest in the gap exit region is that there is often a synoptic or mesoscale pressure gradient across the gap. 4, record 7, English, - gap%20wind
Record number: 7, Textual support number: 2 OBS
[The term "gap wind"] was introduced by R. S. Scorer (1952) for the surface winds blowing through the Strait of Gibraltar. ... Similar winds occur at other gaps in mountain ranges, such as the tehuantepecer and the jochwinde, and in long channels, such as the Strait of Juan de Fuca between the Olympic Mountains of Washington and Vancouver Island, British Columbia. 5, record 7, English, - gap%20wind
Record number: 7, Textual support number: 3 OBS
A special form of gap wind blows in urban areas, the street-canyon wind, caused by gaps between buildings rather than terrain. 2, record 7, English, - gap%20wind
Record 7, French
Record 7, Domaine(s)
- Physique de l'atmosphère
Record 7, Main entry term, French
- vent de couloir
1, record 7, French, vent%20de%20couloir
see observation, masculine noun, Canada
Record 7, Abbreviations, French
Record 7, Synonyms, French
- vent ayant subi un effet Venturi 1, record 7, French, vent%20ayant%20subi%20un%20effet%20Venturi
see observation, masculine noun, France
- vent ayant subi une accélération par effet Venturi 1, record 7, French, vent%20ayant%20subi%20une%20acc%C3%A9l%C3%A9ration%20par%20effet%20Venturi
see observation, masculine noun, France
- vent accéléré par effet Venturi 2, record 7, French, vent%20acc%C3%A9l%C3%A9r%C3%A9%20par%20effet%20Venturi
see observation, masculine noun, France
Record 7, Textual support, French
Record number: 7, Textual support number: 1 DEF
Vent dont la vitesse est augmentée par suite du passage de l’air dans une vallée, un canyon, une passe, entre deux montagnes, etc. 1, record 7, French, - vent%20de%20couloir
Record number: 7, Textual support number: 1 CONT
La côte sauvage [située] à l’extrême sud-ouest de l’île. [...] On y trouve les plus grandes vagues de l’île, à cause des vents puissants soufflant entre la Corse et la Sardaigne (vents accélérés par effet venturi, tout comme le Mistral dans la vallée du Rhône). 2, record 7, French, - vent%20de%20couloir
Record number: 7, Textual support number: 1 OBS
Selon les météorologues consultés d’Environnement Canada, l'effet venturi ne peut expliquer à lui seul la force du vent. En effet, une composante liée à l'étalement de l'air, à la sortie du couloir, dans le relief contribue également au phénomène. Par contre, selon le météorologue consulté de Météo-France, il considère que l'effet Venturi englobe l'ensemble des effets qu'un obstacle en forme d’entonnoir fait subir à la vitesse d’écoulement d’un fluide qui le traverse et plus particulièrement l'effet d’accélération de la vitesse du flux dans la zone d’étalement de l'air, phénomène qu'il attribuerait à l'accélération causée par la dépression relative locale, attribuée à l'obstacle placé en amont(surpression en amont de l'obstacle/dépression en aval). 1, record 7, French, - vent%20de%20couloir
Record number: 7, Textual support number: 2 OBS
Pour éviter toute confusion possible avec les termes «courant jet» et «jet», les météorologues consultés ont rejeté les termes «vent de jet» et «vent jet». En effet, ces termes désignent en météorologie les courants de vents forts à haute altitude («jet d’altitude»), ainsi que, plus récemment, les courants de vents forts en basses couches à l’avant des fronts froids («jet de basses couches»). 1, record 7, French, - vent%20de%20couloir
Record number: 7, Textual support number: 3 OBS
En France, on utilise plutôt, suivant le cas ainsi que le contexte, scientifique ou plus grand public, diverses expressions comme «effet Venturi», «canalisation du vent par le relief»,«effet canalisant des reliefs», «accélération du vent dans la trouée de ... ou dans la cluse de ...», «vent accéléré comme dans un couloir», etc. [Commentaire d’un météorologue de Météo-France.] 1, record 7, French, - vent%20de%20couloir
Record number: 7, Textual support number: 4 OBS
vent de couloir: terme privilégié par les météorologues consultés d’Environnement Canada. 1, record 7, French, - vent%20de%20couloir
Record 7, Spanish
Record 7, Textual support, Spanish
Record 8 - internal organization data 2016-02-26
Record 8, English
Record 8, Subject field(s)
- Engineering Tests and Reliability
- Plastics Manufacturing
Record 8, Main entry term, English
- inertial peak
1, record 8, English, inertial%20peak
correct, standardized
Record 8, Abbreviations, English
Record 8, Synonyms, English
Record 8, Textual support, English
Record number: 8, Textual support number: 1 DEF
The first peak in a force-time or force-deflection diagram, which arises from the inertia of the part of the test specimen accelerated after the first contact with the striker. 1, record 8, English, - inertial%20peak
Record number: 8, Textual support number: 1 OBS
inertial peak: term and definition standardized by ISO. 2, record 8, English, - inertial%20peak
Record 8, French
Record 8, Domaine(s)
- Fiabilité, contrôle et essais (Ingénierie)
- Plasturgie
Record 8, Main entry term, French
- pic d’inertie
1, record 8, French, pic%20d%26rsquo%3Binertie
correct, masculine noun, standardized
Record 8, Abbreviations, French
Record 8, Synonyms, French
Record 8, Textual support, French
Record number: 8, Textual support number: 1 DEF
Premier pic apparaissant sur un diagramme force/temps ou force/flèche, résultant de l'inertie de la partie d’éprouvette soumise à une accélération après le premier contact avec le percuteur. 1, record 8, French, - pic%20d%26rsquo%3Binertie
Record number: 8, Textual support number: 1 OBS
pic d’inertie : terme et définition normalisés par l’ISO. 2, record 8, French, - pic%20d%26rsquo%3Binertie
Record 8, Spanish
Record 8, Textual support, Spanish
Record 9 - internal organization data 2015-03-12
Record 9, English
Record 9, Subject field(s)
- Atmospheric Physics
Record 9, Main entry term, English
- allobaric wind
1, record 9, English, allobaric%20wind
correct
Record 9, Abbreviations, English
Record 9, Synonyms, English
- isallobaric wind 1, record 9, English, isallobaric%20wind
correct
- Brunt-Douglas isallobaric wind 2, record 9, English, Brunt%2DDouglas%20isallobaric%20wind
Record 9, Textual support, English
Record number: 9, Textual support number: 1 DEF
The wind velocity resulting when the Coriolis force balances a locally accelerating geostrophic wind. 3, record 9, English, - allobaric%20wind
Record 9, French
Record 9, Domaine(s)
- Physique de l'atmosphère
Record 9, Main entry term, French
- vent allobarique
1, record 9, French, vent%20allobarique
correct, masculine noun
Record 9, Abbreviations, French
Record 9, Synonyms, French
- vent isallobarique 1, record 9, French, vent%20isallobarique
correct, masculine noun
- vent isallobarique de Brunt-Douglas 2, record 9, French, vent%20isallobarique%20de%20Brunt%2DDouglas
masculine noun
Record 9, Textual support, French
Record number: 9, Textual support number: 1 DEF
Vitesse du vent lorsque la force de Coriolis est égale à l'accélération locale du vent géostrophique. 3, record 9, French, - vent%20allobarique
Record 9, Spanish
Record 9, Campo(s) temático(s)
- Física de la atmósfera
Record 9, Main entry term, Spanish
- viento alobárico
1, record 9, Spanish, viento%20alob%C3%A1rico
masculine noun
Record 9, Abbreviations, Spanish
Record 9, Synonyms, Spanish
- viento isalobárico 1, record 9, Spanish, viento%20isalob%C3%A1rico
masculine noun
Record 9, Textual support, Spanish
Record number: 9, Textual support number: 1 DEF
Velocidad del viento que resulta cuando la fuerza de Coriolis es igual a la aceleración local del viento geostrófico. 1, record 9, Spanish, - viento%20alob%C3%A1rico
Record 10 - internal organization data 2015-01-14
Record 10, English
Record 10, Subject field(s)
- Aircraft Piloting and Navigation
- River and Sea Navigation
Record 10, Main entry term, English
- heart
1, record 10, English, heart
correct, noun
Record 10, Abbreviations, English
Record 10, Synonyms, English
Record 10, Textual support, English
Record number: 10, Textual support number: 1 CONT
The platform is the heart of the INS [inertial navigation system] which houses the gyros and accelerometers used to measure angular rate and acceleration, as well as gimbal mechanisms to keep the internal workings stable during any aircraft maneuver. 2, record 10, English, - heart
Record 10, Key term(s)
- heart of the INS
- heart of the inertial navigation system
Record 10, French
Record 10, Domaine(s)
- Pilotage et navigation aérienne
- Navigation fluviale et maritime
Record 10, Main entry term, French
- cœur
1, record 10, French, %20c%26oelig%3Bur
correct, masculine noun
Record 10, Abbreviations, French
Record 10, Synonyms, French
- cœur de la centrale inertielle 2, record 10, French, %20c%26oelig%3Bur%20de%20la%20centrale%20inertielle
correct, masculine noun
- cœur de la centrale 2, record 10, French, %20c%26oelig%3Bur%20de%20la%20centrale
correct, masculine noun
Record 10, Textual support, French
Record number: 10, Textual support number: 1 CONT
[...] les deux ou trois gyroscopes (selon qu’ils sont à deux ou un axe sensibles) montés sur un « cœur» suspendu «à la cardan» (les trois cages articulées sur des cardans) constituent la plate-forme inertielle. [...] Toute «velléité» de changement de direction du «cœur» est détectée par les gyroscopes et un dispositif automatique [...] envoie des signaux de commande à des moteurs électriques qui rétablissent aussitôt l’orientation initiale de la plate-forme. 1, record 10, French, - %20c%26oelig%3Bur
Record number: 10, Textual support number: 2 CONT
Matérialisation du repère absolu [...] schéma de principe : [...] 2 (3 par précaution) gyros montés à la Poinsot, avec une suspension totalement isolée du véhicule, et pointant 3 directions stellaires choisies dans un catalogue d’étoiles. En général, ce groupe de gyroscopes constitue le cœur de la centrale inertielle, puisqu’il va servir de référence pour les gyromètres et de référence pour stabiliser une plate-forme. 2, record 10, French, - %20c%26oelig%3Bur
Record number: 10, Textual support number: 3 CONT
Le navigateur inertiel. 1) Équipements nécessaires : une plateforme stabilisée 3 axes, surveillée par exemple par 3 gyromètres; un boîtier accélérométrique lié à la plateforme; un calculateur en temps réel; une mémoire logicielle de calcul du champ de gravitation en tout point de l'espace; les équipements d’affichage. 2) Fonctionnement du navigateur :[...] Le cœur de la centrale avec ses accéléromètres mesure comme prévu non pas l'accélération mais la force spécifique du véhicule. 2, record 10, French, - %20c%26oelig%3Bur
Record 10, Spanish
Record 10, Textual support, Spanish
Record 11 - internal organization data 2014-10-27
Record 11, English
Record 11, Subject field(s)
- Measuring Instruments (Engineering)
- Navigation Instruments
- Flight Instruments and Equipment (Aeroindustry)
- Launching and Space Maneuvering
Record 11, Main entry term, English
- accelerometer
1, record 11, English, accelerometer
correct
Record 11, Abbreviations, English
Record 11, Synonyms, English
- G-meter 2, record 11, English, G%2Dmeter
correct
- g-meter 3, record 11, English, g%2Dmeter
correct
Record 11, Textual support, English
Record number: 11, Textual support number: 1 DEF
[An inertial navigation instrument that] measures the nonfield specific force that the instrument exerts on its support along the sensitive axis, the difference between inertial acceleration and gravitational acceleration. 4, record 11, English, - accelerometer
Record 11, French
Record 11, Domaine(s)
- Instruments de mesure (Ingénierie)
- Instruments de navigation
- Instruments et équipement de bord (Constructions aéronautiques)
- Lancement et manœuvres dans l'espace
Record 11, Main entry term, French
- accéléromètre
1, record 11, French, acc%C3%A9l%C3%A9rom%C3%A8tre
correct, masculine noun, officially approved
Record 11, Abbreviations, French
Record 11, Synonyms, French
Record 11, Textual support, French
Record number: 11, Textual support number: 1 DEF
Appareil permettant de mesurer et d’enregistrer les efforts imposés à un avion par ses évolutions ou par les perturbations atmosphériques. 2, record 11, French, - acc%C3%A9l%C3%A9rom%C3%A8tre
Record number: 11, Textual support number: 1 CONT
L’instrument fondamental d’une centrale inertielle est [...] l’accéléromètre, qui mesure l’accélération dans une direction privilégiée appelée axe sensible. Trois accéléromètres travaillent selon trois axes sensibles parfaitement déterminés par des gyroscopes associés. 3, record 11, French, - acc%C3%A9l%C3%A9rom%C3%A8tre
Record number: 11, Textual support number: 1 OBS
[...] un accéléromètre ne mesure pas, à proprement parler, une accélération mais une force spécifique, somme des forces appliquées autres que la force de la pesanteur g. 4, record 11, French, - acc%C3%A9l%C3%A9rom%C3%A8tre
Record number: 11, Textual support number: 2 OBS
accéléromètre : terme uniformisé par le Comité d’uniformisation de la terminologie aéronautique (CUTA) - Opérations aériennes. 5, record 11, French, - acc%C3%A9l%C3%A9rom%C3%A8tre
Record 11, Spanish
Record 11, Campo(s) temático(s)
- Instrumentos de medida (Ingeniería)
- Instrumentos de navegación
- Instrumentos y equipo de vuelo (Industria aeronáutica)
- Lanzamiento y maniobras en el espacio
Record 11, Main entry term, Spanish
- acelerómetro
1, record 11, Spanish, aceler%C3%B3metro
correct, masculine noun
Record 11, Abbreviations, Spanish
Record 11, Synonyms, Spanish
Record 11, Textual support, Spanish
Record 12 - internal organization data 2014-03-27
Record 12, English
Record 12, Subject field(s)
- Metrology and Units of Measure
- Gravity (Physics)
Record 12, Main entry term, English
- g force
1, record 12, English, g%20force
correct
Record 12, Abbreviations, English
Record 12, Synonyms, English
- g-force 2, record 12, English, g%2Dforce
correct
Record 12, Textual support, English
Record number: 12, Textual support number: 1 DEF
A force such that a body subjected to it would have the acceleration of gravity at sea level used as a unit of measurement for bodies undergoing the stress of acceleration. 3, record 12, English, - g%20force
Record number: 12, Textual support number: 1 OBS
The letter "g" represents the acceleration caused by the gravitational force and, of course, has the dimensions of acceleration [while] "G" is called the constant of gravitation. 4, record 12, English, - g%20force
Record 12, French
Record 12, Domaine(s)
- Unités de mesure et métrologie
- Pesanteur (Physique)
Record 12, Main entry term, French
- force g
1, record 12, French, force%20g
correct, feminine noun, officially approved
Record 12, Abbreviations, French
Record 12, Synonyms, French
- force d'accélération 2, record 12, French, force%20d%27acc%C3%A9l%C3%A9ration
feminine noun
Record 12, Textual support, French
Record number: 12, Textual support number: 1 OBS
Ne pas confondre le symbole «g» qui désigne une unité d’accélération avec le symbole «g» de gramme et avec le symbole «G» qui représente la constante de gravitation. 3, record 12, French, - force%20g
Record number: 12, Textual support number: 2 OBS
force g : terme uniformisé par le Comité d’uniformisation de la terminologie aéronautique (CUTA) - Opérations aériennes. 4, record 12, French, - force%20g
Record 12, Spanish
Record 12, Textual support, Spanish
Record 13 - internal organization data 2014-02-10
Record 13, English
Record 13, Subject field(s)
- Skydiving, Paragliding and Hang Gliding
- Airborne Forces
Record 13, Main entry term, English
- opening shock
1, record 13, English, opening%20shock
correct
Record 13, Abbreviations, English
Record 13, Synonyms, English
Record 13, Textual support, English
Record number: 13, Textual support number: 1 DEF
The accelerative force applied via the harness to the body of a parachutist when the velocity of fall decreases as a result of development of the parachute canopy. 2, record 13, English, - opening%20shock
Record 13, French
Record 13, Domaine(s)
- Parachutisme, parapente et deltaplane
- Forces aéroportées
Record 13, Main entry term, French
- choc à l’ouverture
1, record 13, French, choc%20%C3%A0%20l%26rsquo%3Bouverture
correct, masculine noun
Record 13, Abbreviations, French
Record 13, Synonyms, French
Record 13, Textual support, French
Record number: 13, Textual support number: 1 DEF
Force d’accélération(décélération) s’exerçant sur le corps d’un parachutiste par le harnais, quand la vitesse de chute diminue à la suite du déploiement de la voilure du parachute. 2, record 13, French, - choc%20%C3%A0%20l%26rsquo%3Bouverture
Record 13, Spanish
Record 13, Textual support, Spanish
Record 14 - internal organization data 2012-11-14
Record 14, English
Record 14, Subject field(s)
- Atmospheric Physics
Record 14, Main entry term, English
- gradient balance
1, record 14, English, gradient%20balance
correct
Record 14, Abbreviations, English
Record 14, Synonyms, English
Record 14, Textual support, English
Record number: 14, Textual support number: 1 DEF
[The] dominant balance of forces in hurricanes and other intense small-scale atmospheric vortices. 1, record 14, English, - gradient%20balance
Record 14, French
Record 14, Domaine(s)
- Physique de l'atmosphère
Record 14, Main entry term, French
- équilibre de gradient
1, record 14, French, %C3%A9quilibre%20de%20gradient
correct, masculine noun
Record 14, Abbreviations, French
Record 14, Synonyms, French
Record 14, Textual support, French
Record number: 14, Textual support number: 1 CONT
L'équilibre horizontal de base dans un cyclone tropical au dessus de la couche limite est compris entre la somme de l'«accélération» de Coriolis et de l'«accélération» centripète, équilibrée par la force du gradient de pression. Cet équilibre est connu sous le nom d’équilibre de gradient, dans lequel l'«accélération» de Coriolis est définie comme la vitesse horizontale d’une particule d’air, v, multipliée par le paramètre de Coriolis, f. 1, record 14, French, - %C3%A9quilibre%20de%20gradient
Record 14, Spanish
Record 14, Textual support, Spanish
Record 15 - internal organization data 2010-07-09
Record 15, English
Record 15, Subject field(s)
- General Mechanics (Physics)
- Aircraft Piloting and Navigation
- Navigation Instruments
- Flight Instruments and Equipment (Aeroindustry)
Record 15, Main entry term, English
- gyroscopic inertia
1, record 15, English, gyroscopic%20inertia
correct
Record 15, Abbreviations, English
Record 15, Synonyms, English
- rigidity in space 2, record 15, English, rigidity%20in%20space
correct
- rigidity 3, record 15, English, rigidity
correct
- gyro's rigidity in space 4, record 15, English, gyro%27s%20rigidity%20in%20space
correct
- gyroscopic rigidity in space 5, record 15, English, gyroscopic%20rigidity%20in%20space
correct
- fixity 3, record 15, English, fixity
correct
- principle of rigidity in space 6, record 15, English, principle%20of%20rigidity%20in%20space
correct
- gyroscopic effect 7, record 15, English, gyroscopic%20effect
correct
Record 15, Textual support, English
Record number: 15, Textual support number: 1 DEF
The tendency of any rotating body, if undisturbed, to maintain its plane of rotation. 5, record 15, English, - gyroscopic%20inertia
Record number: 15, Textual support number: 1 CONT
Rigidity in space. The gyroscope resists turning. When it is "gimbaled" (free to move in a given direction) such that it is free to move either in 1, 2 or 3 dimensions, any surface such as an instrument dial attached to the gyro assembly will remain rigid in space even though the case of the gyro turns. The attitude indicator (AI) and the heading indicator (HI) use this property of rigidity in space for their operation. 6, record 15, English, - gyroscopic%20inertia
Record number: 15, Textual support number: 2 CONT
The turning of the frisbee mostly produces "stability", that is the spinning keeps the frisbee level in flight due to the "gyroscopic" effect, i.e. any spinning disc likes to stay spinning at the same angle. 8, record 15, English, - gyroscopic%20inertia
Record number: 15, Textual support number: 3 CONT
A gyroscope is any rotating body that exhibits two fundamental properties: gyroscopic inertia, or rigidity in space, and precession, the tilting of the axis at right angles to any force tending to alter the plane of rotation. These properties are inherent in all rotating bodies, including the earth itself. 9, record 15, English, - gyroscopic%20inertia
Record number: 15, Textual support number: 1 PHR
To remain rigid in space. 6, record 15, English, - gyroscopic%20inertia
Record 15, French
Record 15, Domaine(s)
- Mécanique générale (Physique)
- Pilotage et navigation aérienne
- Instruments de navigation
- Instruments et équipement de bord (Constructions aéronautiques)
Record 15, Main entry term, French
- inertie gyroscopique
1, record 15, French, inertie%20gyroscopique
correct, feminine noun
Record 15, Abbreviations, French
Record 15, Synonyms, French
- effet gyroscopique 2, record 15, French, effet%20gyroscopique
correct, masculine noun
- principe de la fixité dans l’espace 3, record 15, French, principe%20de%20la%20fixit%C3%A9%20dans%20l%26rsquo%3Bespace
correct, masculine noun
- fixité 4, record 15, French, fixit%C3%A9
correct, feminine noun
- fixité dans l’espace 5, record 15, French, fixit%C3%A9%20dans%20l%26rsquo%3Bespace
correct, feminine noun
- immobilité dans l’espace 6, record 15, French, immobilit%C3%A9%20dans%20l%26rsquo%3Bespace
correct, feminine noun
- loi de fixité 7, record 15, French, loi%20de%20fixit%C3%A9
correct, feminine noun
- inertialité 8, record 15, French, inertialit%C3%A9
correct, feminine noun
- fixité dans l’espace absolu 8, record 15, French, fixit%C3%A9%20dans%20l%26rsquo%3Bespace%20absolu
correct, feminine noun
- fixité de l’axe propre du gyroscope 9, record 15, French, fixit%C3%A9%20de%20l%26rsquo%3Baxe%20propre%20du%20gyroscope
feminine noun
- rigidité dans l’espace 3, record 15, French, rigidit%C3%A9%20dans%20l%26rsquo%3Bespace
see observation, feminine noun
- principe de la rigidité dans l’espace 3, record 15, French, principe%20de%20la%20rigidit%C3%A9%20dans%20l%26rsquo%3Bespace
see observation, masculine noun
- principe de la rigidité gyroscopique dans l’espace 3, record 15, French, principe%20de%20la%20rigidit%C3%A9%20gyroscopique%20dans%20l%26rsquo%3Bespace
see observation, masculine noun
- rigidité gyroscopique 10, record 15, French, rigidit%C3%A9%20gyroscopique
see observation, feminine noun
- fixité gyroscopique 11, record 15, French, fixit%C3%A9%20gyroscopique
feminine noun
Record 15, Textual support, French
Record number: 15, Textual support number: 1 DEF
Tendance qu’a un corps en rotation de maintenir son plan de rotation s’il n’est pas dérangé. 3, record 15, French, - inertie%20gyroscopique
Record number: 15, Textual support number: 1 CONT
L'inertie gyroscopique, appelée aussi effet gyroscopique, constitue la propriété fondamentale des gyroscopes. [...] Il s’agit d’un principe selon lequel tous les objets résistent naturellement à l'accélération ou au changement de direction.(Par exemple, les occupants d’une voiture sont projetés vers l'avant quand celle-ci s’arrête brusquement parce qu'en raison de leur inertie, les corps continuent leur mouvement vers l'avant même si la voiture s’est arrêtée.) Lorsqu'on parle d’inertie gyroscopique, on fait allusion à l'inertie que possède un corps qui tourne. Tous les objets tournant autour d’un axe ont tendance à maintenir une orientation fixe, c'est-à-dire une direction de rotation et une position fixes, si aucune force n’ intervient. En d’autres mots, un objet qui tourne a tendance à rester dans la même position. 2, record 15, French, - inertie%20gyroscopique
Record number: 15, Textual support number: 2 CONT
Un gyroscope [...] utilise [...] la propriété caractéristique d’inertialité (fixité dans l’espace absolu), totale ou partielle de certains phénomènes physiques. 8, record 15, French, - inertie%20gyroscopique
Record number: 15, Textual support number: 1 OBS
Certains spécialistes contestent l’emploi du terme «rigidité» qui semble être un calque de l’anglais occasionnant un non-sens en français. 11, record 15, French, - inertie%20gyroscopique
Record 15, Key term(s)
- fixité gyroscopique
- propriété de fixité de l’axe propre du gyroscope
Record 15, Spanish
Record 15, Textual support, Spanish
Record 16 - internal organization data 2008-07-23
Record 16, English
Record 16, Subject field(s)
- Aerodynamics and Theory of Gases
Record 16, Main entry term, English
- inertial force
1, record 16, English, inertial%20force
correct
Record 16, Abbreviations, English
Record 16, Synonyms, English
- inertia force 2, record 16, English, inertia%20force
correct, standardized
Record 16, Textual support, English
Record number: 16, Textual support number: 1 DEF
The reaction force exerted by a mass when it is being accelerated. [Definition standardized by ISO.] 3, record 16, English, - inertial%20force
Record number: 16, Textual support number: 1 OBS
inertia force: term standardized by ISO. 4, record 16, English, - inertial%20force
Record 16, Key term(s)
- force of inertia
Record 16, French
Record 16, Domaine(s)
- Théorie des gaz et aérodynamique
Record 16, Main entry term, French
- force d’inertie
1, record 16, French, force%20d%26rsquo%3Binertie
correct, feminine noun, standardized, officially approved
Record 16, Abbreviations, French
Record 16, Synonyms, French
Record 16, Textual support, French
Record number: 16, Textual support number: 1 DEF
Force de réaction d’une masse lorsqu'elle est soumise à une accélération. [Définition normalisée par l'ISO. ] 2, record 16, French, - force%20d%26rsquo%3Binertie
Record number: 16, Textual support number: 1 OBS
force d’inertie : terme normalisé par l’ISO et uniformisé par le Comité d’uniformisation de la terminologie spatiale (CUTS). 3, record 16, French, - force%20d%26rsquo%3Binertie
Record 16, Spanish
Record 16, Textual support, Spanish
Record 17 - internal organization data 2003-11-12
Record 17, English
Record 17, Subject field(s)
- Scientific Measurements and Analyses
- Meteorology
Record 17, Main entry term, English
- hydrostatic equation
1, record 17, English, hydrostatic%20equation
correct, standardized
Record 17, Abbreviations, English
Record 17, Synonyms, English
- equation of static equilibrium 2, record 17, English, equation%20of%20static%20equilibrium
correct
Record 17, Textual support, English
Record number: 17, Textual support number: 1 DEF
Form of the vertical component of the equation of motion in which all terms (including, in particular, the vertical acceleration) are considered negligible compared with the pressure and the force of gravity. 3, record 17, English, - hydrostatic%20equation
Record number: 17, Textual support number: 1 OBS
hydrostatic equation : term standardized by ISO. 4, record 17, English, - hydrostatic%20equation
Record 17, Key term(s)
- static equilibrium equation
Record 17, French
Record 17, Domaine(s)
- Mesures et analyse (Sciences)
- Météorologie
Record 17, Main entry term, French
- équation d’équilibre hydrostatique
1, record 17, French, %C3%A9quation%20d%26rsquo%3B%C3%A9quilibre%20hydrostatique
correct, feminine noun, standardized
Record 17, Abbreviations, French
Record 17, Synonyms, French
- équation de l’hydrostatique 2, record 17, French, %C3%A9quation%20de%20l%26rsquo%3Bhydrostatique
correct, feminine noun, standardized
- équation hydrostatique 3, record 17, French, %C3%A9quation%20hydrostatique
correct, feminine noun
- équation de l’équilibre statique 4, record 17, French, %C3%A9quation%20de%20l%26rsquo%3B%C3%A9quilibre%20statique
correct, feminine noun
Record 17, Textual support, French
Record number: 17, Textual support number: 1 DEF
Forme de la composante verticale de l'équation du mouvement dans laquelle tous les termes(y compris, en particulier, l'accélération verticale) sont considérés comme négligeables par rapport à la pression et à la force de la pesanteur. 3, record 17, French, - %C3%A9quation%20d%26rsquo%3B%C3%A9quilibre%20hydrostatique
Record number: 17, Textual support number: 1 OBS
équation d’équilibre hydrostatique; équation de l’hydrostatique : termes normalisés par l’ISO. 5, record 17, French, - %C3%A9quation%20d%26rsquo%3B%C3%A9quilibre%20hydrostatique
Record 17, Spanish
Record 17, Textual support, Spanish
Record 18 - internal organization data 2003-09-12
Record 18, English
Record 18, Subject field(s)
- Seismic Prospecting
- Geophysics
- Scientific Research Equipment
Record 18, Main entry term, English
- accelerometer
1, record 18, English, accelerometer
correct
Record 18, Abbreviations, English
Record 18, Synonyms, English
- short period seismometer 2, record 18, English, short%20period%20seismometer
Record 18, Textual support, English
Record number: 18, Textual support number: 1 DEF
A seismometer whose response is linearly proportional to the acceleration of the earth materials with which it is in contact. 3, record 18, English, - accelerometer
Record 18, French
Record 18, Domaine(s)
- Prospection sismique
- Géophysique
- Matériel et équipement (Recherche scientifique)
Record 18, Main entry term, French
- accéléromètre
1, record 18, French, acc%C3%A9l%C3%A9rom%C3%A8tre
correct, masculine noun
Record 18, Abbreviations, French
Record 18, Synonyms, French
Record 18, Textual support, French
Record number: 18, Textual support number: 1 DEF
[Capteur sismique dont la] tension de sortie est proportionnelle à l’accélération du sol. 2, record 18, French, - acc%C3%A9l%C3%A9rom%C3%A8tre
Record number: 18, Textual support number: 1 CONT
Dans le montage de l'accéléromètre, un pendule [...] en présence d’une force d’accélération, est contraint à une position mécanique nulle par une force magnétique interne. 3, record 18, French, - acc%C3%A9l%C3%A9rom%C3%A8tre
Record 18, Spanish
Record 18, Campo(s) temático(s)
- Prospección sísmica
- Geofísica
- Material y equipo (Investigación científica)
Record 18, Main entry term, Spanish
- acelerómetro
1, record 18, Spanish, aceler%C3%B3metro
correct, masculine noun
Record 18, Abbreviations, Spanish
Record 18, Synonyms, Spanish
Record 18, Textual support, Spanish
Record 19 - internal organization data 2002-07-05
Record 19, English
Record 19, Subject field(s)
- Astrophysics and Cosmography
- Aircraft Piloting and Navigation
Record 19, Main entry term, English
- inertial acceleration
1, record 19, English, inertial%20acceleration
correct
Record 19, Abbreviations, English
Record 19, Synonyms, English
Record 19, Textual support, English
Record number: 19, Textual support number: 1 CONT
To recover from the microburst, the crew apply maximum power and pitch up toward an angle that can attain 15 degrees. The inertial acceleration (acceleration in reference to the ground, as opposed to acceleration within the airmass) experienced by the pilots, combined with the unstable attitude of the aircraft may cause a dangerous illusion. The pilots may believe that the aircraft has reached a very high excess energy and thus, try to pitch down or reduce the engine power. In reality, the aircraft performance is still low as it penetrates the energy-reducing downdraft and tailwind components of the microburst. 2, record 19, English, - inertial%20acceleration
Record 19, French
Record 19, Domaine(s)
- Astrophysique et cosmographie
- Pilotage et navigation aérienne
Record 19, Main entry term, French
- accélération inertielle
1, record 19, French, acc%C3%A9l%C3%A9ration%20inertielle
correct, feminine noun
Record 19, Abbreviations, French
Record 19, Synonyms, French
Record 19, Textual support, French
Record number: 19, Textual support number: 1 CONT
Rossby(nombre de) : Quantité sans dimension, utile dans l'étude du mouvement des atmosphères planétaires et égale au rapport de l'accélération inertielle(force d’inertie) à l'accélération de Coriolis due à la rotation de la planète. 2, record 19, French, - acc%C3%A9l%C3%A9ration%20inertielle
Record 19, Spanish
Record 19, Textual support, Spanish
Record 20 - internal organization data 2002-04-17
Record 20, English
Record 20, Subject field(s)
- General Mechanics (Physics)
- Astrophysics and Cosmography
- Navigation Instruments
Record 20, Main entry term, English
- Coriolis acceleration
1, record 20, English, Coriolis%20acceleration
correct
Record 20, Abbreviations, English
Record 20, Synonyms, English
- acceleration of Coriolis 2, record 20, English, acceleration%20of%20Coriolis
correct
Record 20, Textual support, English
Record number: 20, Textual support number: 1 DEF
The acceleration of a particle in a coordinate frame rotating in inertial space, arising from its velocity with respect to that frame. 3, record 20, English, - Coriolis%20acceleration
Record 20, French
Record 20, Domaine(s)
- Mécanique générale (Physique)
- Astrophysique et cosmographie
- Instruments de navigation
Record 20, Main entry term, French
- accélération de Coriolis
1, record 20, French, acc%C3%A9l%C3%A9ration%20de%20Coriolis
correct, feminine noun
Record 20, Abbreviations, French
Record 20, Synonyms, French
Record 20, Textual support, French
Record number: 20, Textual support number: 1 DEF
Accélération complémentaire subie par un corps en déplacement dans un référentiel, lui-même en rotation dans un référentiel galiléen. 2, record 20, French, - acc%C3%A9l%C3%A9ration%20de%20Coriolis
Record number: 20, Textual support number: 1 CONT
Les accéléromètres mesurent [...] certaines accélérations parasites, en particulier l’accélération de Coriolis; il sera alors nécessaire de corriger les signaux de sortie des accéléromètres. C’est la partie calculateur qui, en fonction de la vitesse Nord/Sud et Est/Ouest ainsi que de la latitude, assurera les corrections nécessaires. Rappel : l’accélération de Coriolis est due à la rotation terrestre combinée au déplacement de l’avion sur la terre. 3, record 20, French, - acc%C3%A9l%C3%A9ration%20de%20Coriolis
Record number: 20, Textual support number: 2 CONT
La rotation de la Terre engendre une autre accélération a2, pour un objet en mouvement dans le référentiel tournant, il s’agit de l'accélération de Coriolis, elle se manifeste, vue depuis le référentiel terrestre, comme une force(la Force de Coriolis), dont on retiendra qu'elle est toujours perpendiculaire au vecteur vitesse du mobile(il s’agit ici de la vitesse du mobile relativement au référentiel terrestre tournant). 4, record 20, French, - acc%C3%A9l%C3%A9ration%20de%20Coriolis
Record 20, Spanish
Record 20, Campo(s) temático(s)
- Mecánica general (Física)
- Astrofísica y cosmografía
- Instrumentos de navegación
Record 20, Main entry term, Spanish
- aceleración de Coriolis
1, record 20, Spanish, aceleraci%C3%B3n%20de%20Coriolis
feminine noun
Record 20, Abbreviations, Spanish
Record 20, Synonyms, Spanish
Record 20, Textual support, Spanish
Record 21 - internal organization data 2001-09-19
Record 21, English
Record 21, Subject field(s)
- Measuring Instruments
- Flight Instruments and Equipment (Aeroindustry)
- Aircraft Piloting and Navigation
- Missiles and Rockets
Record 21, Main entry term, English
- quartz accelerometer
1, record 21, English, quartz%20accelerometer
correct
Record 21, Abbreviations, English
Record 21, Synonyms, English
Record 21, Textual support, English
Record number: 21, Textual support number: 1 CONT
Air traffic is expected to show steady growth in the near future. To cope, we will have to start the construction of a new generation of equipment within the next few years. ONERA is paving the way for this changeover in two ways. First, it is developing new concepts, and even demonstrators, for transfer to manufacturers. The main development in this field is the miniature quartz accelerometer for aircraft and missiles. 2, record 21, English, - quartz%20accelerometer
Record 21, French
Record 21, Domaine(s)
- Appareils de mesure
- Instruments et équipement de bord (Constructions aéronautiques)
- Pilotage et navigation aérienne
- Missiles et roquettes
Record 21, Main entry term, French
- accéléromètre à quartz
1, record 21, French, acc%C3%A9l%C3%A9rom%C3%A8tre%20%C3%A0%20quartz
correct, masculine noun
Record 21, Abbreviations, French
Record 21, Synonyms, French
Record 21, Textual support, French
Record number: 21, Textual support number: 1 CONT
Accéléromètre à quartz. Une accélération suivant l'axe sensible, va comprimer un des cristaux et dilater l'autre, ce qui modifie leurs propriétés électriques et mécaniques(fréquence, résistivité, etc.), ces modifications sont exploitées pour mesurer la force spécifique de manière différentielle. 2, record 21, French, - acc%C3%A9l%C3%A9rom%C3%A8tre%20%C3%A0%20quartz
Record number: 21, Textual support number: 2 CONT
Olivier Le Traon, ingénieur de recherche à l’ONERA, département de Mesures physiques, pour la conception et la réalisation d’un micro accéléromètre à quartz adapté au guidage des missiles tactiques. 3, record 21, French, - acc%C3%A9l%C3%A9rom%C3%A8tre%20%C3%A0%20quartz
Record 21, Spanish
Record 21, Textual support, Spanish
Record 22 - internal organization data 2001-08-30
Record 22, English
Record 22, Subject field(s)
- General Mechanics (Physics)
- Aircraft Piloting and Navigation
- Navigation Instruments
- Flight Instruments and Equipment (Aeroindustry)
Record 22, Main entry term, English
- precession angular velocity
1, record 22, English, precession%20angular%20velocity
correct
Record 22, Abbreviations, English
Record 22, Synonyms, English
Record 22, Textual support, English
Record number: 22, Textual support number: 1 CONT
A rapidly spinning top will precess in a direction determined by the torque exerted by its weight. The precession angular velocity is inversely proportional to the spin angular velocity, so that the precession is faster and more pronounced as the top slows down. 2, record 22, English, - precession%20angular%20velocity
Record 22, French
Record 22, Domaine(s)
- Mécanique générale (Physique)
- Pilotage et navigation aérienne
- Instruments de navigation
- Instruments et équipement de bord (Constructions aéronautiques)
Record 22, Main entry term, French
- vitesse angulaire de précession
1, record 22, French, vitesse%20angulaire%20de%20pr%C3%A9cession
correct, feminine noun
Record 22, Abbreviations, French
Record 22, Synonyms, French
Record 22, Textual support, French
Record number: 22, Textual support number: 1 CONT
Rôle du couple gyroscopique : Conformément à la théorie du gyroscope, quand on impose un couple (modéré) d’axe non colinéaire à l’axe de la rotation gyro, le gyro «réagit» en s’imposant une vitesse angulaire de précession telle que le couple gyroscopique créé annule celui imposé. 2, record 22, French, - vitesse%20angulaire%20de%20pr%C3%A9cession
Record number: 22, Textual support number: 2 CONT
Équations de la gyroscopie [...] On appelle force spécifique la différence entre l'accélération d’un véhicule et celle du champ de gravitation. [...] il suffit de mesurer avec un tachymètre la vitesse angulaire de précession pour connaître la composante Z1 de la force spécifique. 3, record 22, French, - vitesse%20angulaire%20de%20pr%C3%A9cession
Record 22, Spanish
Record 22, Textual support, Spanish
Record 23 - internal organization data 2001-08-21
Record 23, English
Record 23, Subject field(s)
- Flight Instruments and Equipment (Aeroindustry)
- Aircraft Piloting and Navigation
- Navigation Instruments
Record 23, Main entry term, English
- vibrating string accelerometer
1, record 23, English, vibrating%20string%20accelerometer
correct
Record 23, Abbreviations, English
- VSA 2, record 23, English, VSA
correct
Record 23, Synonyms, English
- string accelerometer 3, record 23, English, string%20accelerometer
Record 23, Textual support, English
Record number: 23, Textual support number: 1 DEF
A device that employs one or more vibrating strings whose natural frequencies are affected as a result of acceleration acting on one or more proof masses. 2, record 23, English, - vibrating%20string%20accelerometer
Record 23, French
Record 23, Domaine(s)
- Instruments et équipement de bord (Constructions aéronautiques)
- Pilotage et navigation aérienne
- Instruments de navigation
Record 23, Main entry term, French
- accéléromètre à cordes vibrantes
1, record 23, French, acc%C3%A9l%C3%A9rom%C3%A8tre%20%C3%A0%20cordes%20vibrantes
correct, masculine noun
Record 23, Abbreviations, French
Record 23, Synonyms, French
- accéléromètre à corde vibrante 2, record 23, French, acc%C3%A9l%C3%A9rom%C3%A8tre%20%C3%A0%20corde%20vibrante
correct, masculine noun
Record 23, Textual support, French
Record number: 23, Textual support number: 1 CONT
Accéléromètre à cordes vibrantes : Le principe est le même qu'en 1°) [accéléromètre à quartz] : Une accélération suivant l'axe sensible modifie la tension de chaque corde, l'une augmentant, l'autre diminuant de la même quantité. Il en résulte une variation des fréquences de chaque corde, mesurées par des capteurs de fréquence. On montre que la différence des tensions, proportionnelle à la force spécifique suivant l'axe sensible est aussi proportionnelle à la différence des fréquences. 1, record 23, French, - acc%C3%A9l%C3%A9rom%C3%A8tre%20%C3%A0%20cordes%20vibrantes
Record number: 23, Textual support number: 1 OBS
On dit accéléromètre à «corde» ou à «cordes» vibrante(s) selon que l’appareil utilise une ou plusieurs cordes. 3, record 23, French, - acc%C3%A9l%C3%A9rom%C3%A8tre%20%C3%A0%20cordes%20vibrantes
Record 23, Spanish
Record 23, Textual support, Spanish
Record 24 - internal organization data 2001-08-21
Record 24, English
Record 24, Subject field(s)
- Flight Instruments and Equipment (Aeroindustry)
- Aircraft Piloting and Navigation
- Navigation Instruments
- Ship Piloting
Record 24, Main entry term, English
- vibrating beam accelerometer
1, record 24, English, vibrating%20beam%20accelerometer
correct
Record 24, Abbreviations, English
- VBA 2, record 24, English, VBA
correct
Record 24, Synonyms, English
Record 24, Textual support, English
Record number: 24, Textual support number: 1 DEF
A linear accelerometer with one or more proof masses constrained by one or more force sensitive beam resonators. The resultant change in oscillation frequency is a function of input acceleration. The resonators are often configured as differential pairs for common mode error rejection. 2, record 24, English, - vibrating%20beam%20accelerometer
Record number: 24, Textual support number: 1 CONT
... in 1991, NRL [Naval Research Laboratory] assisted a defense contractor by using ion implantation to improve the performance of an experimental vibrating beam accelerometer (a guidance instrument). It will result in an increase in guidance reliability and accuracy, as well as a reduction in the weight of guidance systems. 3, record 24, English, - vibrating%20beam%20accelerometer
Record 24, French
Record 24, Domaine(s)
- Instruments et équipement de bord (Constructions aéronautiques)
- Pilotage et navigation aérienne
- Instruments de navigation
- Pilotage des navires
Record 24, Main entry term, French
- accéléromètre à lame vibrante
1, record 24, French, acc%C3%A9l%C3%A9rom%C3%A8tre%20%C3%A0%20lame%20vibrante
correct, masculine noun
Record 24, Abbreviations, French
Record 24, Synonyms, French
- accéléromètre à poutre vibrante 2, record 24, French, acc%C3%A9l%C3%A9rom%C3%A8tre%20%C3%A0%20poutre%20vibrante
correct, masculine noun
Record 24, Textual support, French
Record number: 24, Textual support number: 1 CONT
La précision des centrales à inertie conditionne directement celle de la trajectoire du missile. En effet, la phase du vol pendant laquelle on peut guider le missile se limite à la phase propulsée, qui dure de 100 à 200 secondes, alors que la phase balistique (non propulsée), où le missile est soumis à la seule attraction terrestre, dure [...] de 1 000 à 2 000 secondes. Aujourd’hui, les limites technologiques des centrales inertielles de type pendulaire sont atteintes et il est envisagé d’utiliser d’autres types de capteurs pour améliorer la précision, tels que des accéléromètres à poutre vibrante. 2, record 24, French, - acc%C3%A9l%C3%A9rom%C3%A8tre%20%C3%A0%20lame%20vibrante
Record number: 24, Textual support number: 1 OBS
Il existe depuis une dizaine d’années de petits accéléromètres à coût acceptable. Il existe plusieurs grands principes : Muruta produit le Gyrostar, un prisme excité par piézo, utilisant la force de Coriolis qui donne trois vitesses angulaires. [...] Les autres fabricants utilisent des lames ou poutres vibrantes donnant des accélérations perpendiculaires aux plans de vibration. Un barreau vibrant lesté, est excité par un piézo, un deuxième piézo collé sur la face opposée de la lamelle recueille le signal de vibration. En cas d’accélération perpendiculaire au plan de la lame, la sinusoïde reçue est déformée, le mouvement étant accéléré dans le sens du déplacement, freiné dans l'autre. Les signaux excitation et réponse sont combinés dans un soustracteur, une manipulation donne un signal qui pilote un convertisseur à PWM(Pulse Width Modulation). Le rapport cyclique variable donne l'accélération. 3, record 24, French, - acc%C3%A9l%C3%A9rom%C3%A8tre%20%C3%A0%20lame%20vibrante
Record 24, Key term(s)
- accéléromètre à lames vibrantes
- accéléromètre à poutres vibrantes
- accéléromètre à barreau vibrant
- accéléromètre à barreaux vibrants
Record 24, Spanish
Record 24, Textual support, Spanish
Record 25 - internal organization data 2001-08-15
Record 25, English
Record 25, Subject field(s)
- Astrophysics and Cosmography
- General Mechanics (Physics)
- Navigation Instruments
Record 25, Main entry term, English
- apparent Coriolis acceleration
1, record 25, English, apparent%20Coriolis%20acceleration
correct
Record 25, Abbreviations, English
Record 25, Synonyms, English
Record 25, Textual support, English
Record number: 25, Textual support number: 1 CONT
There is one other indicator that the earth is rotating in space. The fact that low pressure regions spin with an anticlockwise motion in the Southern hemisphere, yet in the Northern hemisphere (the high pressure regions) spin with an anticlockwise motion and vice versa raises the question as to what force is being exerted on these winds. Studies of rotating bodies show there is an apparent Coriolis acceleration, which acts sideways on moving objects. Only a Coriolis type acceleration seems to explain the earth's winds and this could only occur if the earth rotates. The fact that the wind direction is always constant is evidence of the earth's consistent rotation. 2, record 25, English, - apparent%20Coriolis%20acceleration
Record 25, French
Record 25, Domaine(s)
- Astrophysique et cosmographie
- Mécanique générale (Physique)
- Instruments de navigation
Record 25, Main entry term, French
- accélération apparente de Coriolis
1, record 25, French, acc%C3%A9l%C3%A9ration%20apparente%20de%20Coriolis
feminine noun
Record 25, Abbreviations, French
Record 25, Synonyms, French
Record 25, Textual support, French
Record number: 25, Textual support number: 1 OBS
Coriolis(Gustave Gaspard). Ingénieur et mathématicien français [...]. Il a montré, en 1835, que l'expression de l'accélération d’un mobile dans un référentiel donné, en fonction de son accélération dans un second référentiel en rotation par rapport au premier, fait intervenir une accélération complémentaire(appelée aujourd’hui «accélération de Coriolis»), perpendiculaire à la vitesse du mobile dans le second référentiel. C'est ainsi que tous les corps en mouvement à la surface de la Terre sont soumis à une force déviatrice, produite par l'accélération complémentaire due à la rotation terrestre. 2, record 25, French, - acc%C3%A9l%C3%A9ration%20apparente%20de%20Coriolis
Record 25, Key term(s)
- accélération de Coriolis apparente
Record 25, Spanish
Record 25, Textual support, Spanish
Record 26 - internal organization data 2000-01-26
Record 26, English
Record 26, Subject field(s)
- Metrology and Units of Measure
- General Mechanics (Physics)
Record 26, Main entry term, English
- poundal
1, record 26, English, poundal
correct
Record 26, Abbreviations, English
Record 26, Synonyms, English
Record 26, Textual support, English
Record number: 26, Textual support number: 1 DEF
Unit of force in the foot-pound-second system of units. That force which, acting on a mass of 1 pound, will impart to it an acceleration of 1 ft per sec. per sec. 2, record 26, English, - poundal
Record number: 26, Textual support number: 1 OBS
One poundal equals 0.1383 newtons. 3, record 26, English, - poundal
Record 26, French
Record 26, Domaine(s)
- Unités de mesure et métrologie
- Mécanique générale (Physique)
Record 26, Main entry term, French
- poundal
1, record 26, French, poundal
correct, masculine noun
Record 26, Abbreviations, French
Record 26, Synonyms, French
Record 26, Textual support, French
Record number: 26, Textual support number: 1 DEF
Unité de force dans le système d’unités foot-pound-second. Force qui, en agissant sur une masse d’une livre lui imprime une accélération d’un pied par seconde par seconde. 2, record 26, French, - poundal
Record 26, Spanish
Record 26, Textual support, Spanish
Record 27 - internal organization data 1993-10-06
Record 27, English
Record 27, Subject field(s)
- Acoustics (Physics)
Record 27, Main entry term, English
- apparent mass
1, record 27, English, apparent%20mass
correct
Record 27, Abbreviations, English
Record 27, Synonyms, English
- effective mass 1, record 27, English, effective%20mass
correct
Record 27, Textual support, English
Record number: 27, Textual support number: 1 DEF
The complex ratio of force to acceleration during simple harmonic motion. 1, record 27, English, - apparent%20mass
Record number: 27, Textual support number: 1 OBS
The ratio of force to acceleration, when the acceleration is given in terms of g, is sometimes called effective weight or effective load. 1, record 27, English, - apparent%20mass
Record 27, French
Record 27, Domaine(s)
- Acoustique (Physique)
Record 27, Main entry term, French
- masse apparente
1, record 27, French, masse%20apparente
correct, feminine noun
Record 27, Abbreviations, French
Record 27, Synonyms, French
- masse effective 1, record 27, French, masse%20effective
correct, feminine noun
Record 27, Textual support, French
Record number: 27, Textual support number: 1 DEF
Rapport complexe de la force à l'accélération pour un mouvement harmonique. 1, record 27, French, - masse%20apparente
Record number: 27, Textual support number: 1 OBS
Lorsque l'accélération est donnée en nombre de g, le rapport de la force à l'accélération est appelé masse effective ou charge effective. 1, record 27, French, - masse%20apparente
Record 27, Spanish
Record 27, Textual support, Spanish
Record 28 - internal organization data 1986-05-14
Record 28, English
Record 28, Subject field(s)
- Mathematics
Record 28, Main entry term, English
- vector equation 1, record 28, English, vector%20equation
Record 28, Abbreviations, English
Record 28, Synonyms, English
Record 28, Textual support, English
Record 28, French
Record 28, Domaine(s)
- Mathématiques
Record 28, Main entry term, French
- équation vectorielle
1, record 28, French, %C3%A9quation%20vectorielle
feminine noun
Record 28, Abbreviations, French
Record 28, Synonyms, French
Record 28, Textual support, French
Record number: 28, Textual support number: 1 CONT
Ce principe [la force est égale à la masse multipliée par l'accélération] prend la forme d’une équation vectorielle équivalente à trois équations scalaires représentant l'évolution temporelle des trois composantes de la vitesse. 1, record 28, French, - %C3%A9quation%20vectorielle
Record 28, Spanish
Record 28, Textual support, Spanish
Record 29 - internal organization data 1986-05-12
Record 29, English
Record 29, Subject field(s)
- Calculating Procedures (Mathematics)
- Meteorological Forecasting, Data Measurement and Analysis
Record 29, Main entry term, English
- scalar equation 1, record 29, English, scalar%20equation
Record 29, Abbreviations, English
Record 29, Synonyms, English
Record 29, Textual support, English
Record 29, French
Record 29, Domaine(s)
- Procédés de calcul (Mathématiques)
- Prévisions météorologiques et mesure et analyse des données
Record 29, Main entry term, French
- équation scalaire
1, record 29, French, %C3%A9quation%20scalaire
feminine noun
Record 29, Abbreviations, French
Record 29, Synonyms, French
Record 29, Textual support, French
Record number: 29, Textual support number: 1 CONT
Ce principe [la force est égale à la masse multipliée par l'accélération] prend la forme d’une équation vectorielle équivalente à trois équations scalaires représentant l'évolution temporelle de trois composantes de la vitesse. 1, record 29, French, - %C3%A9quation%20scalaire
Record 29, Spanish
Record 29, Textual support, Spanish
Record 30 - internal organization data 1986-01-16
Record 30, English
Record 30, Subject field(s)
- Ice Hockey
Record 30, Main entry term, English
- speed build-up
1, record 30, English, speed%20build%2Dup
correct
Record 30, Abbreviations, English
Record 30, Synonyms, English
Record 30, French
Record 30, Domaine(s)
- Hockey sur glace
Record 30, Main entry term, French
- force d'accélération
1, record 30, French, force%20d%27acc%C3%A9l%C3%A9ration
correct, feminine noun
Record 30, Abbreviations, French
Record 30, Synonyms, French
Record 30, Textual support, French
Record 30, Spanish
Record 30, Textual support, Spanish
Record 31 - internal organization data 1981-07-27
Record 31, English
Record 31, Subject field(s)
- Aircraft Piloting and Navigation
Record 31, Main entry term, English
- positive acceleration 1, record 31, English, positive%20acceleration
Record 31, Abbreviations, English
Record 31, Synonyms, English
Record 31, Textual support, English
Record number: 31, Textual support number: 1 DEF
Generally used to indicate an accelerative force which produces a reaction from head towards legs in the seated position. 1, record 31, English, - positive%20acceleration
Record 31, French
Record 31, Domaine(s)
- Pilotage et navigation aérienne
Record 31, Main entry term, French
- accélération positive
1, record 31, French, acc%C3%A9l%C3%A9ration%20positive
feminine noun
Record 31, Abbreviations, French
Record 31, Synonyms, French
Record 31, Textual support, French
Record number: 31, Textual support number: 1 DEF
terme habituellement utilisé pour indiquer une force d’accélération qui a pour effet une réaction s’exerçant de la tête aux pieds sur un sujet ayant une position assise. 1, record 31, French, - acc%C3%A9l%C3%A9ration%20positive
Record 31, Spanish
Record 31, Textual support, Spanish
Record 32 - internal organization data 1981-07-27
Record 32, English
Record 32, Subject field(s)
- Aircraft Piloting and Navigation
Record 32, Main entry term, English
- g-tolerance 1, record 32, English, g%2Dtolerance
Record 32, Abbreviations, English
Record 32, Synonyms, English
Record 32, Textual support, English
Record number: 32, Textual support number: 1 DEF
That force, expressed in G units, at which an individual demonstrates or experiences a defined manifestation of the acceleration stress, or that time at a specified G-level at which such a limit is reached. 1, record 32, English, - g%2Dtolerance
Record 32, French
Record 32, Domaine(s)
- Pilotage et navigation aérienne
Record 32, Main entry term, French
- tolérance aux g
1, record 32, French, tol%C3%A9rance%20aux%20g
feminine noun
Record 32, Abbreviations, French
Record 32, Synonyms, French
Record 32, Textual support, French
Record number: 32, Textual support number: 1 DEF
Force, exprimée en unités G, pour laquelle un individu présente ou ressent une manifestation précise des stresses d’accélération, ou encore la durée à un niveau de G bien précis, pour laquelle une telle limite est atteinte. 1, record 32, French, - tol%C3%A9rance%20aux%20g
Record 32, Spanish
Record 32, Textual support, Spanish
Record 33 - internal organization data 1981-07-27
Record 33, English
Record 33, Subject field(s)
- Aircraft Piloting and Navigation
Record 33, Main entry term, English
- subgravity 1, record 33, English, subgravity
Record 33, Abbreviations, English
Record 33, Synonyms, English
Record 33, Textual support, English
Record number: 33, Textual support number: 1 DEF
Conditions in which the acceleration field acting on a person or object is less than that of the Earth's gravitational force. Attainable in ballistic trajectory and orbital flight. 1, record 33, English, - subgravity
Record 33, French
Record 33, Domaine(s)
- Pilotage et navigation aérienne
Record 33, Main entry term, French
- subgravité
1, record 33, French, subgravit%C3%A9
feminine noun
Record 33, Abbreviations, French
Record 33, Synonyms, French
Record 33, Textual support, French
Record number: 33, Textual support number: 1 DEF
États dans lesquels le champ d’accélération agissant sur une personne ou un objet est inférieur à la force de gravité de la Terre. Ces états peuvent être obtenus sur des trajectoires balistiques et dans le vol orbital. 1, record 33, French, - subgravit%C3%A9
Record 33, Spanish
Record 33, Textual support, Spanish
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