| 非准静态过程体积功的定义及计算问题 |
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| 引用本文： | 董玉林,张联盟.非准静态过程体积功的定义及计算问题[J].武汉理工大学学报,2007,29(6):140-142. |
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| 作者姓名： | 董玉林 张联盟 |
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| 作者单位： | 武汉理工大学理学院,武汉,430070 |
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| 基金项目： | 高等学校博士学科点专项科研项目 |
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| 摘 要： | 体积功是热力学中的一个重要概念,是体系膨胀或被压缩时体系与环境之间能量交换的一种形式。对于非准静态过程体积功的计算方法有不同的观点。根据动能定律进行推导、分析,提出体系被压缩时,体系得到的体积功应以系统压力定义和计算,而对于膨胀过程,体积功应按外界压力定义和计算。
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| 关 键 词： | 非准静态 体积功 膨胀功 压缩功 体系 环境 |
| 文章编号： | 1671-4431（2007）06-0140-03 |
| 修稿时间： | 2007-01-05 |
Investigation of Volume Work for Non Quasi-static Process |
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| DONG Yu-lin,ZHANG Lian-meng.Investigation of Volume Work for Non Quasi-static Process[J].Journal of Wuhan University of Technology,2007,29(6):140-142. |
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| Authors: | DONG Yu-lin ZHANG Lian-meng |
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| Affiliation: | School of Sciences, Wuhan University of Technology, Wuhan 430070, China |
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| Abstract: | The definition of pressure-volume work in irreversible thermodynamic process remains a contentious topic.There were two approaches in use to define pressure-volume works w.One is "surroundings-based" definition,which defined work by using the pressure of surroundings,the other "system-based" definition,which define work by using pressure of System.Different from above,from the work-energy theorem,a conclusion from our analysis was that "system-based" definition should be taken for compression work in non quasi-static process,while "surroundings-based" definition for expansion work. |
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| Keywords: | non quasi-static volume work expansion work compression work system surroundings |
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