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A non-conventional interpretation of thermal regeneration in steam cycles

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  • Bracco, Stefano
  • Damiani, Lorenzo

Abstract

The paper aims to contribute to a better understanding of the thermodynamic concept of heat regeneration in steam power plants with a finite number of bleedings. A regenerative Rankine cycle is compared to a complex system (CHC – complete hybrid cycle) composed by one non-regenerative Rankine cycle (HEC – hybrid engine cycle) and more reverse cycles (RCs – reverse cycles), as many as the number of the bleedings, able to pump heat from the condenser to a series of surface feedwater heaters, disposed upstream of the steam plant boiler. The COPs (coefficients of performance) of the heat pumps are evaluated, and new interesting formulations of the efficiency of the regenerative steam cycle are proposed.

Suggested Citation

  • Bracco, Stefano & Damiani, Lorenzo, 2012. "A non-conventional interpretation of thermal regeneration in steam cycles," Applied Energy, Elsevier, vol. 97(C), pages 548-557.
    • Handle: RePEc:eee:appene:v:97:y:2012:i:c:p:548-557
    DOI: 10.1016/j.apenergy.2011.12.047
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    References listed on IDEAS

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    1. Tchanche, B.F. & Lambrinos, Gr. & Frangoudakis, A. & Papadakis, G., 2010. "Exergy analysis of micro-organic Rankine power cycles for a small scale solar driven reverse osmosis desalination system," Applied Energy, Elsevier, vol. 87(4), pages 1295-1306, April.
    2. Habib, M. A. & Said, S. A. M. & Al-Zaharna, I., 1999. "Thermodynamic optimization of reheat regenerative thermal-power plants," Applied Energy, Elsevier, vol. 63(1), pages 17-34, May.
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    Cited by:

    1. Yin, Haoyu & Wu, Hong & Li, Yulong & Quan, Jin, 2020. "Performance analysis of the water-injected centrifugal vapor compressor," Energy, Elsevier, vol. 200(C).

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