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MICROPROPULSEUR [9 records]

Record 1 2016-03-15

English

Subject field(s)
  • Missiles and Rockets
  • Spacecraft
  • Launchers (Astronautics)

French

Domaine(s)
  • Missiles et roquettes
  • Engins spatiaux
  • Lanceurs (Astronautique)
OBS

Ce dernier terme provient du titre d'un rapport de contrat-étude de l'Agence spatiale européenne : ESA CR(P)-1240 Essais de fonctionnement de réseaux linéaires à fils affûtés pour la conduite d'études de propulseurs à émission de champ au césium (ONERA, France).

Spanish

Save record 1

Record 2 2008-07-23

English

Subject field(s)
  • Launching and Space Maneuvering
  • Spacecraft

French

Domaine(s)
  • Lancement et manœuvres dans l'espace
  • Engins spatiaux
OBS

micropropulseur de lacet : terme uniformisé par le Comité d'uniformisation de la terminologie spatiale - CUTS.

Spanish

Save record 2

Record 3 2008-07-22

English

Subject field(s)
  • Launching and Space Maneuvering
  • Spacecraft

French

Domaine(s)
  • Lancement et manœuvres dans l'espace
  • Engins spatiaux
OBS

micropropulseur de roulis : terme uniformisé par le Comité d'uniformisation de la terminologie spatiale - CUTS.

Spanish

Save record 3

Record 4 2007-03-17

English

Subject field(s)
  • Spacecraft
  • Space Exploration Equipment and Tools
  • Launchers (Astronautics)
CONT

Many spacecraft use small rockets called thrusters to move around in space. Thrusters can change the speed and direction of a spacecraft. They allow a spacecraft to steer in space, to jump to a higher orbit, or to fall back to Earth.

CONT

The control rocket is a vernier or other rocket used to control the attitude of, or slightly change the speed of, a spacecraft.

CONT

The propulsion subsystem featured sets of small thrusters and a main engine. The thrusters were used to perform Odyssey's attitude control and trajectory correction manoeuvres, while the main engine was used to place the spacecraft in orbit around Mars. The main engine, which used hydrazine propellant with nitrogen tetroxide as an oxidiser, produced a minimum thrust of 65.3 kilograms of force. Each of the four thrusters used for attitude control produce a thrust of 0.1 kilogram of force. Four 2.3-kilogram-force thrusters were used for turning the spacecraft. In addition to miscellaneous tubing, pyro valves and filters, the propulsion subsystem also included a single gaseous helium tank used to pressurise the fuel and oxidiser tanks. The propulsion subsystem weighed 49.7 kilograms.

French

Domaine(s)
  • Engins spatiaux
  • Équipement et outillage d'exploration spatiale
  • Lanceurs (Astronautique)
DEF

Moteur-fusée de très petite poussée.

CONT

Des micropulseurs télécommandés développent des impulsions radiales axiales qui corrigent l'attitude ou la position du satellite sur son orbite.

OBS

On prévoit dans de nombreux satellites de petits propulseurs [...] dont les emplacements sont fixes.

OBS

Micropropulseur télécommandé.

Spanish

Save record 4

Record 5 2005-02-03

English

Subject field(s)
  • Launching and Space Maneuvering
  • Spacecraft
CONT

The microthruster is a small thruster that uses superheated gas, called plasma, to propel the spacecraft in space.

French

Domaine(s)
  • Lancement et manœuvres dans l'espace
  • Engins spatiaux
DEF

Propulseur de très faible poussée (d'une fraction de gramme à quelques grammes) destiné à la stabilisation des satellites.

OBS

Les micropropulseurs sont utilisés notamment pour la commande d'orientation des satellites (Terminologie de la Commission française des techniques aérospatiales).

Spanish

Save record 5

Record 6 2003-03-06

English

Subject field(s)
  • Launching and Space Maneuvering
CONT

The effect of the pitch thruster firings to decrease the roll rate, however, was smaller than expected, so the ... experts decided to reduce the roll rate by use of the momentum wheels. At a roll rate of 12 arcsec/s the star sensor unit was able to track a star for a sufficient time to allow the spacecraft to be transitioned into RMW [Roll Maneuver Wheels] mode ...

OBS

pitch thruster: term officially approved by the International Space Station official approval Group (ISSOAG).

French

Domaine(s)
  • Lancement et manœuvres dans l'espace
OBS

micropropulseur de tangage : terme uniformisé par le Groupe de travail de la terminologie de la Station spatiale internationale (GTTSSI).

Spanish

Save record 6

Record 7 1998-04-24

English

Subject field(s)
  • Spacecraft

French

Domaine(s)
  • Engins spatiaux
OBS

micropropulseur électrothermique à surchauffe : terme extrait de la base de données du Centre national d'Études spatiales (Saclay - France)

Spanish

Save record 7

Record 8 1993-08-26

English

Subject field(s)
  • Spacecraft

French

Domaine(s)
  • Engins spatiaux
OBS

groupe micropropulseur : terme uniformisé par le Comité d'uniformisation de la terminologie spatiale (CUTS).

Spanish

Save record 8

Record 9 1992-10-14

English

Subject field(s)
  • Spacecraft
  • Artificial Intelligence

French

Domaine(s)
  • Engins spatiaux
  • Intelligence artificielle

Spanish

Save record 9

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