V2EX flight envelope

Flight Envelope

释义 / Definition

“飞行包线;飞行包线范围”:指飞机在安全、可控条件下允许运行的参数边界集合,通常由速度(空速/马赫数)、高度、载荷因数(G 值)、迎角等限制共同构成。超出包线可能导致失速、结构超限或操纵失效等风险。(也常译作“飞行包线/飞行包线图”。)

发音 / Pronunciation (IPA)

/flat envlop/

例句 / Examples

The pilot stayed within the flight envelope during training.
飞行员在训练中始终把飞机控制在飞行包线范围内。

In high-altitude turbulence, the crew carefully managed speed and pitch to avoid exceeding the aircraft’s flight envelope.
在高空颠簸中,机组谨慎控制速度与俯仰,避免超出飞机的飞行包线。

词源 / Etymology

envelope 原义是“信封、包裹物”,在工程与科学语境中引申为“外包边界、包络线/包线”,表示“把允许范围‘包起来’的外边界”;flight 表示“飞行”。合起来的 flight envelope 就是“飞行时各项参数允许范围的边界”。

相关词 / Related Words

文学与著作中的用例 / Notable Works

  • John D. Anderson, Introduction to Flight(航空航天入门教材中常用该术语讲解性能与限制)
  • FAA, Pilot’s Handbook of Aeronautical Knowledge(飞行知识手册中用于阐释操作限制与安全边界)
  • NASA/USAF 相关 Flight Test(飞行试验)手册与报告(常用 flight envelope 描述试飞逐步扩展的限制范围)
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