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The equivalence of maximum power and Minimum entropy generation rate in the optimization of power plants

Publication ,  Journal Article
Bejan, A
Published in: Journal of Energy Resources Technology, Transactions of the ASME
January 1, 1996

It is shown that to maximize the power output of a power plant is equivalent to minimizing the total entropy generation rate associated with the power plant. This equivalence is illustrated by using two of the oldest and simplest models of power plants with heat transfer irreversibilities. To calculate the total entropy generation rate correctly, one must recognize that the optimization process (e.g., the variability of the heat input) requires “room to move,” i.e., an additional, usually overlooked, contribution to the total entropy generation rate. © 1996 by ASME.

Duke Scholars

Published In

Journal of Energy Resources Technology, Transactions of the ASME

DOI

EISSN

1528-8994

ISSN

0195-0738

Publication Date

January 1, 1996

Volume

118

Issue

2

Start / End Page

98 / 101

Related Subject Headings

  • Energy
  • Civil Engineering
  • 4019 Resources engineering and extractive metallurgy
  • 4015 Maritime engineering
  • 4005 Civil engineering
  • 0914 Resources Engineering and Extractive Metallurgy
  • 0913 Mechanical Engineering
  • 0911 Maritime Engineering
  • 0905 Civil Engineering
 

Citation

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ICMJE
MLA
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Bejan, A. (1996). The equivalence of maximum power and Minimum entropy generation rate in the optimization of power plants. Journal of Energy Resources Technology, Transactions of the ASME, 118(2), 98–101. https://doi.org/10.1115/1.2792711
Bejan, A. “The equivalence of maximum power and Minimum entropy generation rate in the optimization of power plants.” Journal of Energy Resources Technology, Transactions of the ASME 118, no. 2 (January 1, 1996): 98–101. https://doi.org/10.1115/1.2792711.
Bejan A. The equivalence of maximum power and Minimum entropy generation rate in the optimization of power plants. Journal of Energy Resources Technology, Transactions of the ASME. 1996 Jan 1;118(2):98–101.
Bejan, A. “The equivalence of maximum power and Minimum entropy generation rate in the optimization of power plants.” Journal of Energy Resources Technology, Transactions of the ASME, vol. 118, no. 2, Jan. 1996, pp. 98–101. Scopus, doi:10.1115/1.2792711.
Bejan A. The equivalence of maximum power and Minimum entropy generation rate in the optimization of power plants. Journal of Energy Resources Technology, Transactions of the ASME. 1996 Jan 1;118(2):98–101.

Published In

Journal of Energy Resources Technology, Transactions of the ASME

DOI

EISSN

1528-8994

ISSN

0195-0738

Publication Date

January 1, 1996

Volume

118

Issue

2

Start / End Page

98 / 101

Related Subject Headings

  • Energy
  • Civil Engineering
  • 4019 Resources engineering and extractive metallurgy
  • 4015 Maritime engineering
  • 4005 Civil engineering
  • 0914 Resources Engineering and Extractive Metallurgy
  • 0913 Mechanical Engineering
  • 0911 Maritime Engineering
  • 0905 Civil Engineering