V2EX carnot cycle

Carnot Cycle

定义 Definition

卡诺循环:一种理想化的、可逆的热力学循环,由两段等温过程和两段绝热过程组成,用来描述在两个热源之间运行的理想热机/制冷机,并给出在给定温度条件下可能达到的最高效率上限。(在实际工程中不可完全实现,但常用作理论基准。)

例句 Examples

A Carnot cycle sets the maximum possible efficiency for a heat engine.
卡诺循环为热机设定了可能达到的最高效率上限。

In thermodynamics, comparing a real engine to the Carnot cycle helps quantify irreversibilities and energy losses.
在热力学中,把真实发动机与卡诺循环对比,有助于量化不可逆性与能量损失。

发音 Pronunciation (IPA)

/krno sakl/

词源 Etymology

Carnot 来自法国工程师与物理学家 Sadi Carnot(萨迪卡诺) 的姓氏;cycle 源自希腊语 kyklos(“圆、循环”)。该术语用于纪念卡诺对热机理论的奠基性贡献,并强调其“循环过程”的结构。

相关词 Related Words

文学与经典著作 Notable Works

  • Reflections on the Motive Power of Fire(《论火的动力》,1824,Sadi Carnot):提出并奠定卡诺理论框架(常与“卡诺循环”一起讨论)。
  • The Feynman Lectures on Physics, Vol. I(《费曼物理学讲义》第一卷):在热学章节中用卡诺循环解释热机效率极限。
  • Thermodynamics and an Introduction to Thermostatistics(Zemansky & Dittman):以卡诺循环作为可逆过程与效率基准的核心例题与论述对象。
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