螺旋槳風扇一類,如風扇有幾葉。喺流體之中,諸如旋轉起上來,就有推前或推後之力,帶動推進。可用於飛機。其原理為轉時,搞動流體,扇葉之前後,流體有壓力之差,從而流體加速

Thumb
飛機上嘅螺旋槳

Wikiwand in your browser!

Seamless Wikipedia browsing. On steroids.

Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.

Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.