On thermodynamical work and heat definitions and their consistency regarding the Second Law

被引：0
|
作者：
Anacleto, Joaquim [1 ,2 ]
Pereira, Mario G. [1 ,3 ]
Goncalves, Norberto J. [1 ,4 ]
机构：
[1] Univ Tras os Montes & Alto Douro, Dept Fis, Escola Ciencias & Tecnol, Vila Real, Portugal
[2] Univ Porto, Inst Nanociencia & Nanotecnol, Fac Ciencias, P-4100 Oporto, Portugal
[3] Univ Tras os Montes & Alto Douro, Ctr Res & Technol Agroenvironm & Biol Sci, Vila Real, Portugal
[4] Univ Minho, Ctr Fis, Braga, Portugal
来源：
REVISTA BRASILEIRA DE ENSINO DE FISICA | 2010年 / 32卷 / 02期
关键词：
work; heat; first law; second law; irreversible processes; RESERVOIRS; ENTROPY;
D O I：
暂无
中图分类号：
G40 [教育学];
学科分类号：
040101 ; 120403 ;
摘要：
We start by presenting an overview of the various definitions of heat and work found in the literature. Then, we consider several examples for analysis and show that the theory of Thermodynamics requires a precise definition of such quantities. The comparison regarding the Second Law of the system-based and surroundings-based definitions of heat and work is undertaken leading to the conclusion that the definitions of such concepts should be based on variables external to the system.
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页数：8
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