V2EX compression stroke

Compression Stroke

释义 Definition

compression stroke(压缩冲程):在四冲程内燃机中,活塞向上运动,把气缸内的空气-燃油混合气(或柴油机中的空气)压缩到更高压力与温度的那个冲程,为随后点火/喷油燃烧做准备。(该词也常用于更广义的“压缩行程/阶段”。)

发音 Pronunciation (IPA)

/kmprn strok/

例句 Examples

The piston moves up during the compression stroke.
活塞在压缩冲程中向上运动。

If the compression stroke is weak because of a leaking valve, the engine may misfire and lose power under load.
如果气门漏气导致压缩冲程不足,发动机在负载下可能会缺火并动力下降。

词源 Etymology

compression 来自拉丁语 *com-*(“一起”)+ premere(“压、挤”),意思是“压缩、压紧”;stroke 原意是“击、一下”,在机械语境中引申为“(活塞等的)一次行程/冲程”。合起来就是“进行压缩的那一次冲程”。

相关词 Related Words

文献与作品 Literary & Notable Works

  • Internal Combustion Engine Fundamentals John B. Heywood
  • The Internal Combustion Engine in Theory and Practice Charles Fayette Taylor
  • Automotive Technology: A Systems Approach Jack Erjavec & Rob Thompson
  • Introduction to Internal Combustion Engines Richard Stone
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