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单词 specific impulse
释义

WordReference Random House Unabridged Dictionary of American English © 2024
specific impulse, [Rocketry.]
  1. Rocketrya measure, usually in seconds, of the efficiency with which a rocket engine utilizes its propellants, equal to the number of pounds of thrust produced per pound of propellant burned per second.
  2. Rocketrythe specific impulse that a given combination of propellants would produce in an ideal rocket engine providing complete combustion, no friction losses, and no lateral expansion of the exhaust.
  • 1945–50

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更新时间:2025/7/23 19:24:42