The equivalence of minimum entropy production and maximum thermal efficiency in endoreversible heat engines

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Abstract

The objective of this study is to investigate the thermal efficiency and power production of typical models of endoreversible heat engines at the regime of minimum entropy generation rate. The study considers the Curzon-Ahlborn engine, the Novikov's engine, and the Carnot vapor cycle. The operational regimes at maximum thermal efficiency, maximum power output and minimum entropy production rate are compared for each of these engines. The results reveal that in an endoreversible heat engine, a reduction in entropy production corresponds to an increase in thermal efficiency. The three criteria of minimum entropy production, the maximum thermal efficiency, and the maximum power may become equivalent at the condition of fixed heat input.

Original languageEnglish
Article numbere00113
JournalHeliyon
Volume2
Issue number5
DOIs
StatePublished - May 1 2016

Keywords

  • Engineering

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