V2EX aerobraking

Aerobraking

释义 Definition

气动制动 / 大气制动:航天器在接近行星或卫星时,利用其大气阻力来减速,从而节省燃料并进入或调整轨道。(也常用于“气动捕获”相关任务中,但两者并不完全相同。)

发音 Pronunciation

/erobrek/

例句 Examples

The spacecraft used aerobraking to slow down without burning much fuel.
航天器使用气动制动来减速,而不需要消耗太多燃料。

By performing careful aerobraking passes through the upper atmosphere, the probe gradually lowered its orbit and achieved the desired altitude for mapping.
通过在稀薄高层大气中进行精确的多次气动制动掠过,探测器逐步降低轨道,最终达到用于测绘的目标高度。

词源 Etymology

aero- 来自希腊语 aēr(“空气、大气”),braking 源自 brake(“制动、刹车”)。合起来直观表达“用大气来刹车”的技术。该词在现代航天工程语境中广泛使用,尤其与火星探测任务相关。

相关词 Related Words

文学与著作 Literary Works

  • Mars Rover: Curiosity(Rod Pyle)中在介绍火星探测任务轨道与入轨策略时会涉及 aerobraking 的概念。
  • Space Mission Engineering: The New SMAD(James R. Wertz 等)作为航天任务工程经典教材,在轨道设计与推进/阻力利用章节中讨论 aerobraking
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