TERMIUM Plus®

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MOTOR BURN-OUT [1 record]

Record 1 2007-01-30

English

Subject field(s)
  • Weapon Systems
  • Launchers (Astronautics)
  • Spacecraft
CONT

The heavy motor case, necessary to handle the gun-launching loads, permitted a chamber pressure of about 1500 psi at motor burn out with a vacuum specific impulse in excess of 250 sec.

OBS

burn-out: This moment occurs when a propulsive device no longer provides thrust, usually because the propellant supply has been exhausted or at the cessation of propellant combustion.

PHR

Stage burn-out.

PHR

Rocket motor cut-off.

Key term(s)
  • motor burn-out
  • engine cut off
  • engine burn out

French

Domaine(s)
  • Systèmes d'armes
  • Lanceurs (Astronautique)
  • Engins spatiaux
DEF

Dans un propulseur, diminution brutale de la combustion entraînant une chute significative de la poussée.

OBS

Dans un propulseur à liquide, l'extinction peut se produire par épuisement de l'un au moins des ergols et la poussée cesse instantanément. Dans un propulseur à propergol solide, en fin de fonctionnement, l'extinction est suivie d'une poussée résiduelle due à une combustion des ergols résiduels.

Spanish

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