V2EX heat capacity

Heat Capacity

释义 Definition

热容:物体温度升高 1 K(或 1°C) 所需要吸收的热量,反映物体“储存热量、抵抗温度变化”的能力。常用单位 J/K
(相关概念:比热容 specific heat capacity 是“单位质量”的热容。)

发音 Pronunciation (IPA)

/hit kpsti/

例句 Examples

A metal pot has a lower heat capacity than a pot of water.
金属锅的热容比一锅水低。

Because the heat capacity of the building materials is high, the indoor temperature changes slowly even when it gets cold outside.
由于建筑材料的热容较高,即使室外变冷,室内温度也会变化得更慢。

词源 Etymology

heat 来自古英语 htu(“热”);capacity 来自拉丁语 capacitas(“容纳、容量”)。合在一起字面意思是“对热的容纳能力”,在物理学中专指“使温度改变所需的热量”。

相关词 Related Words

文献与作品 Notable Works

  • The Feynman Lectures on Physics(Richard P. Feynman 等):在热学与物质性质部分常讨论热容与比热。
  • Thermodynamics(Enrico Fermi):用热容来连接能量、温度变化与状态函数。
  • Physical Chemistry(Atkins & de Paula):在热化学与相平衡章节中频繁使用热容(含定压/定容热容)。
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