V2EX heat reservoir

Heat Reservoir

Definition / 定义

heat reservoir热库热源/冷源(热力学术语)。指一个体量足够大、热容量极高的系统,即使与外界交换热量,其温度也近似保持不变。常用于分析热机、制冷机与卡诺循环等过程。(在不同语境下也可称为“thermal reservoir”。)

Pronunciation / 发音

/hit rezrvwr/

Examples / 例句

A large lake can act as a heat reservoir.
一个大湖可以充当热库。

In the Carnot cycle, the engine absorbs heat from a hot reservoir and releases it to a cold reservoir.
在卡诺循环中,热机从高温热库吸热,并向低温热库放热。

Etymology / 词源

heat 来自古英语 htu,意为“热、热量”。reservoir 来自法语 réservoir,源于拉丁语词根 reservare(“保留、储存”)。合起来 heat reservoir 字面即“储存热量的容器/库”,在热力学中引申为“温度近似恒定、可提供或吸收热量的理想化系统”。

Related Words / 相关词汇

Literary Works / 文学作品举例

  • The Feynman Lectures on Physics(Richard P. Feynman 等):在热学与热力学讨论中使用“heat reservoir”来建立理想热库模型。
  • An Introduction to Thermal Physics(Daniel V. Schroeder):以“heat reservoir”解释与推导熵、热平衡与能量交换。
  • Thermodynamics(Enrico Fermi):在经典热力学框架下以“heat reservoir”描述与热源/冷源接触的系统。
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