V2EX isobaric process

Isobaric Process

定义 Definition

等压过程:热力学中指系统压力保持不变(\(P=\text{constant}\))时发生的状态变化过程。常见于带活塞、外界压力近似恒定的膨胀或压缩。(在某些语境下也可泛指“恒压条件下的过程”。)

发音 Pronunciation (IPA)

/asbrk prses/

例句 Examples

In an isobaric process, the pressure stays constant while the volume changes.
在等压过程中,压力保持不变,而体积会发生变化。

During the isobaric expansion of an ideal gas, the system does work on the surroundings and absorbs heat to maintain constant pressure.
在理想气体的等压膨胀中,系统对外界做功,并吸收热量以维持恒定压力。

词源 Etymology

isobaric 来自前缀 **iso-**(意为“相同、等”)与词根 bar-(源自希腊语 baros,意为“重量”,在科学语境中引申为“压强/压力”),加上形容词后缀 -ic,表示“与……有关的”。process 源自拉丁语 processus,意为“进行、过程”。合起来即“与等压有关的过程”。

相关词 Related Words

文学/经典著作中的用例 Literary Works

  • Thermodynamics: An Engineering Approach(Yunus A. engel & Michael A. Boles)
  • Fundamentals of Engineering Thermodynamics(Richard E. Sonntag / Claus Borgnakke / Gordon J. Van Wylen;及后续版本作者)
  • An Introduction to Thermal Physics(Daniel V. Schroeder)
  • Heat and Thermodynamics(Mark W. Zemansky & Richard H. Dittman)
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