V2EX convection

Convection

定义 Definition

convection(名词):对流;指流体(液体或气体)因温度差导致密度变化而产生的整体循环运动,从而传递热量(例如热空气上升、冷空气下沉)。

发音 Pronunciation

/ knvkn /

例句 Examples

Convection helps spread heat through boiling water.
对流有助于在沸水中把热量扩散开。

In meteorology, convection can trigger thunderstorms when warm, moist air rises rapidly and cools.
在气象学中,当温暖潮湿的空气迅速上升并冷却时,对流可能引发雷暴。

词源 Etymology

源自拉丁语 convehere(意为“共同运送、搬运”),由 **con-**(一起)+ vehere(运送)构成;后来在科学语境中用来描述“热量随流体一起被带走”的传递方式,即“对流”。

相关词 Related Words

文学作品 Literary Works

  • Jules VerneTwenty Thousand Leagues Under the Seas》(《海底两万里》):在涉及海洋、温度与流动的描写中常出现与“对流/洋流”相关的科学词汇。
  • Isaac AsimovThe Intelligent Man’s Guide to Science》(《智慧的人类科学指南》):科普语境中讨论热传递机制时会出现 convection
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