V2EX wingtip vortex

Wingtip Vortex

Definition / 定义

翼尖涡流:飞机机翼在产生升力时,翼尖处形成的旋转气流(涡旋),会在飞机后方延伸,属于“尾流湍流/尾流扰动”的重要组成部分,可能影响后机的操纵与安全间隔。

Pronunciation / 发音

/wtp vrteks/

Examples / 例句

The pilot avoided the wingtip vortex from the heavy jet ahead.
飞行员避开了前方重型喷气式飞机产生的翼尖涡流。

Wingtip vortices form because air flows from the high-pressure area under the wing to the low-pressure area above it, creating rotating trails that can persist and cause hazardous wake turbulence for following aircraft.
翼尖涡流的形成是因为空气会从机翼下方的高压区流向上方的低压区,进而产生旋转的“尾迹”;这些涡流可能持续存在,并对后方飞机造成危险的尾流湍流影响。

Etymology / 词源

wingtipwing(机翼)+ tip(尖端)构成,指“翼尖”;vortex 源自拉丁语 vortex / vertex,有“旋涡、回旋”的含义。合起来就是“发生在翼尖的旋涡(涡流)”。

Related Words / 关词

Literary Works / 文学作品

  • Pilot’s Handbook of Aeronautical Knowledge(FAA,飞行员航空知识手册):在“尾流湍流/翼尖涡流”相关章节中讲解其形成原因与规避方法。
  • Aerodynamics for Naval Aviators(H. H. Hurt Jr.):在升力与诱导阻力等内容中讨论翼尖涡与尾迹涡旋。
  • Introduction to Flight(John D. Anderson Jr.):在基础空气动力学部分涉及翼尖涡与升力分布、诱导阻力的关系。
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