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INCREASED LIFT [11 records]

Record 1 2022-03-15

English

Subject field(s)
  • Maneuvering of Ships
  • Aircraft Maneuvers
CONT

Lift-off may be as simple as maintaining the minimum drag angle until enough lift is produced and/or applying increased back pressure at the appropriate time. The far shoreline should be used as an attitude reference until climb speed is attained.... Application of take-off power should cause the aircraft to lift off the water without delay.

French

Domaine(s)
  • Manœuvre des navires
  • Manœuvres d'aéronefs
DEF

[Action de] s'élever sur l'eau, sous l'effet de la vitesse, au-dessus de la ligne de flottaison à l'arrêt.

CONT

Le déjaugeage est un changement de régime de l'avancement d'un objet dans l'eau, d'un régime «archimédien» (l'objet flotte par poussée d'Archimède) à un régime dynamique où sa vitesse lui permet d'être porté par la surface de l'eau. [...] Le déjaugeage est un phénomène exploité par les navires à grande vitesse, les aéroglisseurs, et certains voiliers de course à certaines allures. Il est également essentiel dans la phase de décollage d'un hydravion.

OBS

déjaugeage; arraché : désignations d'usage obligatoire au Bureau de la traduction.

Spanish

Campo(s) temático(s)
  • Maniobras de los buques
  • Maniobras de las aeronaves
Save record 1

Record 2 2016-02-28

English

Subject field(s)
  • Helicopters (Military)
  • Flight Instruments and Equipment (Aeroindustry)
DEF

The additional lift obtained when entering forward flight, due to the increased efficiency of the rotor system.

OBS

translational lift; translation lift: terms officialized by the Aeronautical Terminology Standardization Committee (ATSC) - Helicopters.

French

Domaine(s)
  • Hélicoptères (Militaire)
  • Instruments et équipement de bord (Constructions aéronautiques)
OBS

sustentation de translation; portance de translation : termes uniformisés par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Hélicoptères.

Spanish

Campo(s) temático(s)
  • Helicópteros (Militar)
  • Instrumentos y equipo de vuelo (Industria aeronáutica)
Save record 2

Record 3 2011-06-09

English

Subject field(s)
  • Helicopters (Military)
  • Types of Aircraft
DEF

A helicopter with an auxiliary propulsion system which provides thrust in excess of that which the rotor alone could produce, thereby permitting increased forward speeds; wings may or may not be provided to reduce the lift required from the rotor system. [Definition standardized by NATO. ]

CONT

The rotor of the compound helicopter is powered for take-off; once cruising altitude is reached, the engine power is used to drive a propeller for forward thrust, and the rotor is allowed to freewheel and autorotate as do the blades of an autogiro. The aircraft usually has small wings to furnish lift in forward flight ...

CONT

The Lockheed AH-56A Cheyenne ... represents a recent addition to the compound helicopter family ...

OBS

compound helicopter: term standardized by NATO.

French

Domaine(s)
  • Hélicoptères (Militaire)
  • Types d'aéronefs
DEF

Giravion possédant une voilure tournante d'hélicoptère pour le vol vertical ou stationnaire en plus d'une voilure fixe et d'un propulseur d'avion pour le vol en translation.

OBS

hélicoptère hybride : terme normalisé par l'OTAN.

Spanish

Campo(s) temático(s)
  • Helicópteros (Militar)
  • Tipos de aeronaves
DEF

Helicóptero equipado con un sistema de propulsión auxiliar, que le proporciona un empuje superior al que puede facilitarle solamente el rotor lo que le permite un aumento de la velocidad longitudinal; puede o no estar dotabo de alas para reducir la sustentación exigida a los rotores.

Save record 3

Record 4 2011-05-16

English

Subject field(s)
  • Helicopters (Military)
  • Aeronautical Engineering and Maintenance
CONT

The lower blade velocity of the retreating blade and the negative lift of the reverse flow region cause the outboard portion of the retreating blade to operate at higher and higher angles of attack as the aircraft forward flight speed is increased. At some airspeed, the retreating blade will surpass its critical stall angle of attack. This is referred to as retreating blade tip stall.

French

Domaine(s)
  • Hélicoptères (Militaire)
  • Aérotechnique et maintenance

Spanish

Save record 4

Record 5 2008-03-13

English

Subject field(s)
  • Aeronautical Engineering and Maintenance
CONT

It has been proposed to utilize the so-called "jet-pump" principle to provide increased lift on an aerofoil or hydrofoil. A jet-pump comprises a high velocity but relatively low mass flow rate primary jet to induce a flow of secondary, ambient fluid in order to enhance the mass flow rate.

French

Domaine(s)
  • Aérotechnique et maintenance
OBS

Effet qui permet d'accroître la portance d'un profil de voilure ou d'un hydrofoil.

OBS

principe effet de trompe : terme uniformisé par le Comité d'uniformisation de la terminologie aéronautique (CUTA) - Maintenance.

Spanish

Save record 5

Record 6 2007-12-17

English

Subject field(s)
  • Demolition
  • Roads
  • Construction Site Equipment
CONT

A typical multi-head breaker is a rubber-tired, self-propelled unit which carries 1, 000 to 1, 500 pound hammers mounted laterally in pairs. Half of the hammers are in a forward row and the remainder diagonally offset in a rear row so that there is continuous breakage from side to side. Each pair of hammers is attached to a hydraulic lift cylinder which operates as an independent unit. Each unit can develop between 1, 000 and 8, 000 foot pounds of energy depending upon drop height selected. The units can cycle at a rate of 30 to 35 impacts per minute. The typical machine is eight foot wide and carries twelve hammers eight inches in width. An extension wing, carrying two 1, 500 pound hammers, can be added to each side for a total breaking width of up to 13 feet. Pavement breaking can be as narrow as 2. 67 feet or increased in increments up to 13 feet. Typical production rates per machine are 6000-8000 square yards per day.

OBS

A type of equipment used to rubblized concrete pavements.

French

Domaine(s)
  • Démolition
  • Voies de circulation
  • Matériel de chantier
DEF

Brise-dalle agissant par percussion et qui est utilisé dans les opérations de fracturation par résonnance.

Spanish

Save record 6

Record 7 2001-07-30

English

Subject field(s)
  • Helicopters (Military)
CONT

Translational lift is present with horizontal movement although the increase will be more noticeable as airspeed reaches approximately 15 miles per hour. The additional lift available at this speed is referred to as "Effective Translation Lift" and is easily recognized in actual flight by the increased performance of the helicopter.

French

Domaine(s)
  • Hélicoptères (Militaire)
CONT

La portance de translation est présente dans tout mouvement horizontal, bien que l'effet s'en fasse sentir nettement à partir d'environ 15 milles à l'heure. La portance additionnelle créée à cette vitesse est appelée «portance nette de translation»; elle se manifeste nettement, en vol, par l'amélioration du rendement de l'hélicoptère.

Spanish

Save record 7

Record 8 2000-11-20

English

Subject field(s)
  • Sewing Machines
DEF

Contributes to increased work efficiency with a light step, the presser foot lift automatically raised, resulting in a high level of work efficiency.

French

Domaine(s)
  • Machines à coudre

Spanish

Save record 8

Record 9 1993-03-01

English

Subject field(s)
  • Motor Vehicles and Bicycles
  • Steering Systems (Motor Vehicles and Bicycles)
CONT

Front suspension refinements include anti-lift geometry and revised shock valving to minimize front-end lift, increased caster angle to 3, suspension geometry that moves the theoretical steering pivot point toward the centerline of the tire, and redesigned lower suspension-arm bushing rates to control ball-joint and steering-arm position under shock load.

French

Domaine(s)
  • Véhicules automobiles et bicyclettes
  • Direction (Véhicules automobiles et bicyclettes)

Spanish

Save record 9

Record 10 1984-11-05

English

Subject field(s)
  • Aerodynamics and Theory of Gases
OBS

the increased lift thus obtained

French

Domaine(s)
  • Théorie des gaz et aérodynamique

Spanish

Save record 10

Record 11 1981-01-26

English

Subject field(s)
  • Sewers and Drainage
  • Wastewater Treatment
CONT

This effect can be increased by providing an air lift in the centre of the primary settling tank; this is the principle of oil-removing settling tanks.

French

Domaine(s)
  • Égouts et drainage
  • Traitement des eaux usées
CONT

Cet effet peut être amplifié en aménageant, au centre du décanteur primaire, un dispositif d'émulsion à l'air, c'est le principe des décanteurs-déshuileurs.

Spanish

Save record 11

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