V2EX adiabatic process

Adiabatic Process

释义 Definition

绝热过程:在热力学中,系统与外界没有热量交换(\(Q=0\))的过程。能量的变化主要通过做功来体现,因此常见于气体的快速压缩或膨胀。(该术语在物理与化学中非常常用;在不同情境下还会涉及“可逆/不可逆绝热”等细分。)

发音 Pronunciation (IPA)

/edibtk prss/ (AmE), /edibtk prses/ (BrE)

例句 Examples

An adiabatic process involves no heat transfer.
绝热过程中不发生热量传递。

During the rapid expansion of a gas in an insulated cylinder, the temperature drops because the adiabatic process converts internal energy into work.
在绝热气缸中气体快速膨胀时,温度会下降,因为绝热过程将内能转化为对外做功。

词源 Etymology

adiabatic 源自希腊语:a-(不、无)+ diabainein(穿过、通过),原意接近“(热)不通过”。process 来自拉丁语 processus,意为“前进、进行的过程”。合起来即“热不通过的过程”也就是“无热交换的过程”。

相关词 Related Words

文献与作品 Literary Works

  • The Feynman Lectures on Physics(Richard P. Feynman 等):在热学与气体过程讨论中常出现 “adiabatic process”。
  • Thermodynamics(Enrico Fermi):系统讲解绝热过程与热力学定律的关系。
  • An Introduction to Thermal Physics(Daniel V. Schroeder):以教学化方式讲解可逆绝热、绝热自由膨胀等。
  • Physical Chemistry(Peter Atkins & Julio de Paula):在热力学章节中大量使用该术语(绝热、等温等过程对比)。
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