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Fiche 1,  Justifications,  Anglais

Record number: 1, Textual support number: 1 DEF

The stiffness of a suspension leaf spring against the torsional moment caused by the acceleration of the body around the horizontal axis perpendicular to the moving direction.  1, fiche 1, Anglais, - wind%2Dup%20stiffness

Record number: 1, Textual support number: 1 OBS

wind-up stiffness: term and definition standardized by ISO.  2, fiche 1, Anglais, - wind%2Dup%20stiffness

Fiche 1,  Justifications,  Français

Record number: 1, Textual support number: 1 DEF

Rigidité d'un ressort à lames de suspension par rapport au moment de torsion provoqué par l'accélération du corps autour de l'axe horizontal perpendiculaire à la direction du mouvement.  1, fiche 1, Français, - rigidit%C3%A9%20d%27enroulement

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rigidité d'enroulement : terme et définition normalisés par l'ISO.  2, fiche 1, Français, - rigidit%C3%A9%20d%27enroulement

Fiche 1,  Justifications,  Espagnol

Fiche 2,  Justifications,  Anglais

Record number: 2, Textual support number: 1 CONT

Pitch trim control is achieved by the horizontal stabilizer hinged on the aircraft structure. Maximum allowable vertical acceleration with the flaps up is +2. 5 g and-1. 0 g.  3, fiche 2, Anglais, - longitudinal%20trim

Fiche 2,  Justifications,  Français

Record number: 2, Textual support number: 1 CONT

La compensation en tangage est assurée par le stabilisateur articulé à la structure de l'avion. Volets rentrés, l'accélération verticale maximale autorisée est de +2,5 g et -1,0 g.  3, fiche 2, Français, - compensation%20en%20tangage

Record number: 2, Textual support number: 2 CONT

Lorsque l’appareil avait accompli son vol de transfert vers la société chargée de sa maintenance, le pilote [...] avait réalisé un test d’assiette en mode direct par câble (manual reversion), c’est-à-dire sans utiliser les systèmes hydrauliques A et B et donc sans utiliser les ailerons permettant d'actionner la gouverne de profondeur (balance tabs). Il avait alors remarqué que la compensation en tangage (pitch trim) nécessaire pour maintenir l’appareil à son niveau de vol était dans les limites, mais de justesse.  4, fiche 2, Français, - compensation%20en%20tangage

Record number: 2, Textual support number: 1 OBS

compensation en tangage; compensation longitudinale : termes uniformisés par les Comités d'uniformisation de la terminologie aéronautique (CUTA) - Maintenance et Opérations aériennes.  5, fiche 2, Français, - compensation%20en%20tangage

Fiche 2,  Justifications,  Espagnol

Fiche 3,  Justifications,  Anglais

Record number: 3, Textual support number: 1 CONT

The calculations for the ISS [International Space Station] quasi-steady acceleration environment can be compared to a set of formal design requirements which state that 50 percent of the ISPR [International Standard Payload Rack] locations within the U. S. Lab, Columbus and the JEM must have quasi-steady accelerations below 1 ug for periods of 30 continuous days a total of 6 times per year. The operation of the Station in Microgravity Mode is designed to produce these 30 day intervals. The quasi-steady acceleration vector has an additional directional stability requirement stating that the component perpendicular to the vector's orbital average must be less than or equal to 0. 2 [mu] g. To meet this requirement the Station's attitude must be controlled during orbit so that it maintains a constant position relative to the LVLH [Local Vertical/Local Horizontal] axes.  2, fiche 3, Anglais, - quasi%2Dsteady%20acceleration%20environment

Record number: 3, Textual support number: 2 CONT

The quasi-steady state acceleration level is determined primarily by the combined effects of atmospheric drag (due to the finite residual Earth’s atmosphere at the orbital altitude of the ISS), and gravity gradient stabilisation of the ISS. Gravity gradient stabilisation uses the principle that a body in orbit around the Earth will tend to rotate about it’s centre of mass, as each part of the body will tend to follow it’s own orbit. It will normally oscillate about a mean orientation, but will eventually remain in a stable orientation with respect to the Earth. The normal orientation for the ISS is the Torque Equilibrium Attitude discussed earlier. The resultant combination of atmospheric drag, gravity gradient and other secondary effects produce a set of gravity contours (i.e., locations of equal gravity level) which define the quasi-steady state microgravity environment of the ISS.  3, fiche 3, Anglais, - quasi%2Dsteady%20acceleration%20environment

Record number: 3, Textual support number: 1 OBS

quasi-steady acceleration environment: term officially approved by the International Space Station official approval Group (ISSOAG).  4, fiche 3, Anglais, - quasi%2Dsteady%20acceleration%20environment

Fiche 3,  Justifications,  Français

Record number: 3, Textual support number: 1 OBS

Les modèles d'analyse dynamique (DAC 8) pour l'ISS [International Space Station] prévoient un environnement caractérisé par des vibrations de l'ordre du milli-g (10-4 g) plutôt que des conditions de véritable microgravité (10-6 g) en raison des activités et des divers éléments de l'ISS qui causent des vibrations intempestives (gigue gravitationnelle). Les travaux antérieurs menés à bord de la navette et de Mir ont montré que le milieu est caractérisé par des vibrations aléatoires continues, orientées dans tous les sens, avec des accélérations de l'ordre du milli-g et des crêtes dépassant souvent les 10 milli-g.  2, fiche 3, Français, - milieu%20gravitationnel%20quasi%20stable

Record number: 3, Textual support number: 2 OBS

milieu gravitationnel quasi stable : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).  3, fiche 3, Français, - milieu%20gravitationnel%20quasi%20stable

Fiche 3,  Justifications,  Espagnol

Fiche 4,  Justifications,  Anglais

Record number: 4, Textual support number: 1 CONT

Conventional airborne gravimeters are essentially one-axis instruments which determine the magnitude of gravity by using a highly accurate accelerometer in flight to measure the magnitude of gravity along the local vertical. Although horizontal accelerometers are used on the platform, they are generally of poorer accuracy and are only suitable for supporting the alignment process. They cannot give the direction of the vertical with comparable accuracy. Thus, the term scalar gravimetry is used in this case. This is different with airborne gravity systems based on the principle of measuring the specific force vector by a three-axes inertial system and the aircraft acceleration vector by differential GPS. In this case, the three accelerometers of the inertial system are of the same accuracy and the three acceleration components of the aircraft show only small differences in accuracy due to the geometry of the GPS constellation. Thus, three components of each vector can be estimated with high accuracy and the full gravity disturbance vector can be obtained by differencing the specific force and the aircraft acceleration vector.  2, fiche 4, Anglais, - specific%20force%20vector

Fiche 4,  Justifications,  Français

Record number: 4, Textual support number: 1 CONT

Imaginons un véhicule totalement coupé du monde extérieur en ce qui concerne : Les télécommunications; les émissions d'onde de toute sorte (électromagnétiques, acoustiques, etc. ...). Donc ne pouvant rien émettre ni rien recevoir. Mais : autonome en énergie. Pouvant emporter tout type de connaissances (disques, livres, CDROM, mémoire informatique ,..). Pouvant utiliser tous moyens de calculs imaginables. Disposant de moyens expérimentaux de tout type, mais autonomes. Que peut-on connaître du mouvement de ce vehicule ? Réponse : «Principe de relativité de Galilée-Einstein». Il est possible de mesurer à bord du véhicule deux vecteurs : Le vecteur rotation instantanée du véhicule par rapport au référentiel absolu. Le vecteur force spécifique f et rien d'autre.  1, fiche 4, Français, - vecteur%20force%20sp%C3%A9cifique

Fiche 4,  Justifications,  Espagnol

Fiche 5,  Justifications,  Anglais

Record number: 5, Textual support number: 1 DEF

The mode of operation of a vertical gyro in which the gyro is being erected or slaved initially.  2, fiche 5, Anglais, - initial%20erection

Record number: 5, Textual support number: 1 CONT

Gyroscopic instruments... Once the artificial horizon line is aligned with the natural horizon of the earth during initial erection, the artificial horizon is kept horizontal by the gyro on which it is mounted. An erection mechanism automatically rights the gyro when precession occurs due to maneuvers or friction. When the older-type gyro tumbles as a result of extreme attitude changes, the rotor normally precesses slowly back to the horizontal plane. Even an attitude indicator in perfect condition can give slight erroneous readings. Small errors due to acceleration and deceleration are not significant because the erection device corrects them promptly; nonetheless, the pilot should be aware of them...  3, fiche 5, Anglais, - initial%20erection

Record number: 5, Textual support number: 1 OBS

The initial erection rate is usually relatively high.  4, fiche 5, Anglais, - initial%20erection

Fiche 5,  Justifications,  Français

Fiche 5,  Justifications,  Espagnol