Substance Independence of Efficiency of a Class of Heat Engines Undergoing Two Isothermal Processes | Zendy

Yousef Haseli | Zendy

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Substance Independence of Efficiency of a Class of Heat Engines Undergoing Two Isothermal Processes

Author(s) -

Yousef Haseli

Publication year - 2011

Publication title -

journal of thermodynamics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.112

H-Index - 11

eISSN - 1687-9252

pISSN - 1687-9244

DOI - 10.1155/2011/647937

Subject(s) - carnot cycle , stirling engine , isothermal process , thermodynamics , working fluid , independence (probability theory) , thermodynamic cycle , heat engine , power (physics) , mathematics , physics , statistics

Three power producing cycles have been so far known that include two isothermal processes, namely, Carnot, Stirling, and Ericsson. It is well known that the efficiency of the Carnot cycle represented by 1−/ is independent of its working fluid. Using fundamental relationships between thermodynamic properties including Maxwell's relationships, this paper shows in a closed form that the Ericsson and the Stirling cycles also possess the Carnot efficiency irrespective of the nature of the working gas

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