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Second law analysis: An alternative indicator of system efficiency

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  • Hevert, Herbert W.
  • Hevert, Stephen C.

Abstract

The most commonly used indicator for the efficiency of energy conversion processes is the ratio of the output of useful energy (heat or work) to the total energy input. This ratio is called first law efficiency, because it is based on a quantitative accounting of energy which reflects recognition of the first law of thermodynamics and the conservation of energy.

Suggested Citation

  • Hevert, Herbert W. & Hevert, Stephen C., 1980. "Second law analysis: An alternative indicator of system efficiency," Energy, Elsevier, vol. 5(8), pages 865-873.
    • Handle: RePEc:eee:energy:v:5:y:1980:i:8:p:865-873
    DOI: 10.1016/0360-5442(80)90102-4
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    Cited by:

    1. Mkwananzi, Thobeka & Mandegari, Mohsen & Görgens, Johann F., 2019. "Disturbance modelling through steady-state value deviations: The determination of suitable energy indicators and parameters for energy consumption monitoring in a typical sugar mill," Energy, Elsevier, vol. 176(C), pages 211-223.
    2. Dogbe, Eunice Sefakor & Mandegari, Mohsen A. & Görgens, Johann F., 2018. "Exergetic diagnosis and performance analysis of a typical sugar mill based on Aspen Plus® simulation of the process," Energy, Elsevier, vol. 145(C), pages 614-625.
    3. Li, Ming-Jia & Tao, Wen-Quan, 2017. "Review of methodologies and polices for evaluation of energy efficiency in high energy-consuming industry," Applied Energy, Elsevier, vol. 187(C), pages 203-215.

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