V2EX latent heat

Latent Heat

释义 Definition

隐热 / 潜热:物质在发生相变(如熔化、凝固、汽化、液化、升华)时吸收或放出的热量,但在相变过程中温度保持不变。常见有熔化潜热汽化潜热。(在工程与气象语境中也常用来解释水的蒸发/凝结所携带的能量。)

发音 Pronunciation (IPA)

/letnt hit/

例句 Examples

Ice absorbs latent heat as it melts, even though its temperature stays at 0°C.
冰在融化时会吸收潜热,尽管温度仍保持在 0°C。

In meteorology, the release of latent heat during condensation can intensify storms by adding energy to rising air.
在气象学中,水汽凝结时释放的潜热会为上升气流提供能量,从而增强风暴强度。

词源 Etymology

latent 来自拉丁语 latere,意为“隐藏”;heat 源自古英语 htu,意为“热”。“latent heat”字面意思是“隐藏的热”,指相变时热量以不直接表现为温度升高/降低的方式“潜伏”在过程中;这一概念常与 18 世纪对热现象的实验研究相关。

相关词 Related Words

文学与经典作品 Literary Works

  • Joseph Black 的讲义与研究传统(常被整理引用为关于“latent heat”的经典来源),奠定了“潜热/隐热”概念在热学中的地位。
  • John Tyndall, Heat as a Mode of Motion(以科普/讲演风格讨论热与相变过程,涉及潜热思想与相关现象)。
  • Balfour Stewart, A Treatise on Heat(热学教材/专著体例中讨论相变与潜热等概念)。
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