V2EX transonic

Transonic

释义 Definition

transonic(形容词):跨音速的;指速度接近音速(通常约为马赫数 0.81.2)时的飞行状态或气流状态,此时常会出现局部激波、阻力突增等现象。(也可用于名词 the transonic,指跨音速范围/状态。)

发音 Pronunciation

/trnsnk/

例句 Examples

The jet entered transonic speed during the descent.
喷气式飞机在下降过程中进入了跨音速速度范围。

At transonic velocities, shock waves can form on parts of the wing even when the aircraft is not fully supersonic, increasing drag and affecting control.
在跨音速速度下,即使飞机还未达到超音速,机翼某些部位也可能形成激波,从而增加阻力并影响操控。

词源 Etymology

由前缀 **trans-**(“跨越、穿过”)+ sonic(“声音的、音速的”)构成,字面意思是“跨越音速(附近)的”。该词常见于航空航天与流体力学语境,用来描述从亚音速向超音速过渡的关键速度区间。

相关词 Related Words

文学与作品 Literary Works

  • NASA 技术报告与航空航天教材(如关于“transonic flow/跨音速流动”的章节与论文)中频繁出现。
  • John D. Anderson 的航空航天工程类教材(讨论跨音速气动与激波现象的部分)常见该词。
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