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热力学·统计物理教学中的量纲问题

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本文就热力学·统计物理的一道习题的解法展开讨论,说明在物理问题推导过程有量纲物理量的规范运算方法,以及物理结果的规范表达方式.此外,论文简单说明 了 Π定理并举例利用Π定理对物理系统进行量纲分析.量纲分析在物理学中如此重要,因此在物理基础课教学中应予足够的重视.论文附录给出了汪志诚《热力学·统计物理》(第六版)教材中部分公式规范表达形式.
THE DIMENSION PEDAGOGY IN THERMODYNAMICS AND STATISTICAL PHYSICS
This article examines the resolution of a problem in thermodynamics and statistical physics,demonstrating the derivation of physical processes under the standard dimension analysis,and presenting results in a standard form.The paper provides a brief elucidation of the Π theorem and furnishes examples of dimensional analysis employing the Π theorem for physical systems.Given the significance of dimensional analysis in physics,it warrants ample emphasis in the instruction of foundational physics courses.Additionally,the appendix of the paper offers standard representations of formulas sourced from the sixth edition of"Thermo-dynamics and Statistical Physics"written by Wang Zhi-Cheng.

dimension pedagogythermodynamicsstatistical physicsΠ theorem

熊兆华、杨琳朔、梁淇玮、王雯宇

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北京工业大学物理与光电工程学院,北京 100124

量纲 热力学 统计物理 Π定理

2024

物理与工程
清华大学

物理与工程

CSTPCD
影响因子:0.63
ISSN:1009-7104
年,卷(期):2024.34(2)
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