V2EX trailing vortex

Trailing Vortex

释义 Definition

尾涡;后曳涡流:飞行器(尤其是飞机机翼翼尖)在飞行时由于升力产生的压力差与下洗气流,在其后方形成的螺旋状旋涡。它是尾流湍流(wake turbulence)的主要来源之一,可能对后方飞机造成颠簸与操纵风险。

发音 Pronunciation (IPA)

/trel vrteks/

例句 Examples

The plane left a trailing vortex behind its wings.
飞机在机翼后方留下了尾涡。

Air traffic control increases spacing because a heavy aircraft’s trailing vortex can persist and endanger a following aircraft on approach.
空中交通管制会加大间隔,因为重型飞机的尾涡可能持续存在,并在进近时对后续飞机造成危险。

词源 Etymology

trailing 来自动词 trail(“拖曳、尾随”),加上 -ing 表示“正在后方延伸/跟随的”。vortex 源自拉丁语 vortex/vertex,本义与“旋转、漩涡”相关。合起来直观表达“在后方拖出的一股旋涡”。

相关词 Related Words

文学与著作 Literary & Notable Works

  • Fundamentals of Aerodynamics(John D. Anderson Jr.)
  • Introduction to Flight(John D. Anderson Jr.)
  • Aerodynamics for Engineers(John J. Bertin, Russell M. Cummings)
  • Aircraft Performance and Design(John D. Anderson Jr.)
  • Pilot’s Handbook of Aeronautical Knowledge(FAA,飞行员航空知识手册)
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