Comments on "The principle of least action for reversible thermodynamic processes and cycles", entropy 2018, 20, 542

Edward Bormashenko

doi:10.3390/e20120980

Comments on "The principle of least action for reversible thermodynamic processes and cycles", entropy 2018, 20, 542

Edward Bormashenko

Department of Chemical Engineering

Research output: Contribution to journal › Comment/debate

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Abstract

The goal of this comment note is to express my concerns about the recent paper by Tian Zhao et al. (Entropy 2018, 20, 542). It is foreseen that this comment will stimulate a fruitful discussion of the issues involved. The principle of the least thermodynamic action is applicable for the analysis of the Carnot cycle using the entropy (not heat) generation extrema theorem. The transversality conditions of the variational problem provide the rectangular shape of the ST diagram for the Carnot cycle.

Original language	English
Article number	980
Journal	Entropy
Volume	20
Issue number	12
DOIs	https://doi.org/10.3390/e20120980
State	Published - 1 Dec 2018

Keywords

Carnot cycle
Entropy production
Heat engines
Principle of least action
Transversality conditions

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Comments on "The principle of least action for reversible thermodynamic processes and cycles", entropy 2018, 20, 542

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