V2EX reversible process

Reversible Process

释义 Definition

可逆过程:在热力学中,指一种理想化过程;如果把外界条件做无穷小的改变,就能使系统沿原路径反向进行,并且系统与环境都不留下任何净变化(不产生额外耗散,如摩擦、有限温差传热等)。常用于作为“最理想上限”的参考模型;现实过程通常或多或少是不可逆的。

发音 Pronunciation (IPA)

/rvsbl prss/

例句 Examples

A reversible process is an ideal model used in thermodynamics.
可逆过程是热力学中使用的一种理想模型。

Because it proceeds infinitely slowly and without friction, a reversible process yields the maximum possible work for a given change of state.
由于它以无穷慢的方式进行且没有摩擦等耗散,可逆过程在给定状态变化下能产生最大可能的做功。

词源 Etymology

reversible 来自 reverse(反转、倒转),加后缀 -ible(“能够……的”),表示“能够反向的”。process 源自拉丁语 processus(进程、推进)。合起来在科学语境中指“能够在理想条件下沿原路倒回、不造成净影响的过程”。

相关词 Related Words

文学与经典著作 Literary Works

  • The Feynman Lectures on Physics(费曼《物理学讲义》)在热学/熵与可逆性讨论中出现
  • Thermodynamics and an Introduction to Thermostatistics(Callen)系统阐述可逆过程与最大功等概念
  • Physical Chemistry(Atkins & de Paula)在热力学章节中频繁使用该术语
  • An Introduction to Thermal Physics(Schroeder)用直观方式讲解可逆与不可逆过程
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