理想气体热力学概率和分子数的关系

doi:10.16854/j.cnki.1000-0712.220008

College Physics ›› 2022, Vol. 41 ›› Issue (10): 15-.doi: 10.16854/j.cnki.1000-0712.220008

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Relationship between thermodynamic probability and molecular number of ideal gas

LIU Zhi-guo, ZHANG Yao-hui, WANG Xian-jie, ZHANG Ling-li, HUANG Xi-qiang, WANG Xiao-ou，ZHANG Yu

School of Physics, Harbin Institute of Technology, Harbin, Heilongjiang 150001, China

Received:2022-01-11 Revised:2022-03-20 Online:2022-10-22 Published:2022-10-26

Abstract

Abstract: Thermodynamic probability is an important concept in statistical physics, and relates to the Boltzmann entropy directly. In this paper, factors governing thermodynamic probability are analyzed, which may be neglected in calculation, i.e., the state of ideal gas imposes restrictions, and ensures the Boltzmann entropy an extensive quantity. The thermodynamic probability change of the following processes of ideal gas is calculated, i.e., adiabatic free expansion, isothermal expansion and varying molecular number under isothermal and isobaric conditions.

Key words: thermodynamic probability, ideal gas, Boltzmann entropy

LIU Zhi-guo, ZHANG Yao-hui, WANG Xian-jie, ZHANG Ling-li, HUANG Xi-qiang, WANG Xiao-ou, ZHANG Yu . Relationship between thermodynamic probability and molecular number of ideal gas[J].College Physics, 2022, 41(10): 15-.

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Relationship between thermodynamic probability and molecular number of ideal gas

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