Efficient power analysis for an irreversible Carnot heat engine

Tamer Yilmaz*, Yalçin Durmuşoǧlu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Citations (Scopus)


In this paper, the finite-time thermodynamic optimization is carried out based on the efficient power criterion for an irreversible Carnot heat engine. The obtained results are compared with those obtained by using the maximum power (MP) and maximum power density (MPD) criteria. The optimal design parameters have been derived analytically, and the effect of the irreversibilities on the general and optimal performances is investigated. Maximizing the efficient power gives a compromise between power and efficiency. The results showed that the design parameter at the maximum efficient power (MEP) condition leads to more efficient engines than at the MP conditions and that the MEP criterion may have a significant power advantage with respect to the MPD criterion.

Original languageEnglish
Pages (from-to)623-628
Number of pages6
JournalInternational Journal of Energy Research
Issue number7
Publication statusPublished - 2008


  • Efficient power
  • Heat engine
  • Performance optimization
  • Power density


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