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Second-law analysis of solar-assisted heat pumps

Author

Listed:
  • Chaturvedi, Sushil K.
  • Mohieldin, Taj O.
  • Chen, D.T.

Abstract

In the present study, the first and second laws of thermodynamics are applied to solar-assisted heat-pump systems. Several relations between first- and second-law efficiency parameters (such as the coefficient of performance, primary energy ratio, exergetic and collector efficiencies) are derived. These relations are used to determine the system performance under realistic operating conditions. The performance of a solar-assisted heat-pump system is compared with that of a solar system without heat-pump. The sources of irreversibilities in the system are identified and their effects on system performance are discussed.

Suggested Citation

  • Chaturvedi, Sushil K. & Mohieldin, Taj O. & Chen, D.T., 1991. "Second-law analysis of solar-assisted heat pumps," Energy, Elsevier, vol. 16(6), pages 941-949.
    • Handle: RePEc:eee:energy:v:16:y:1991:i:6:p:941-949
    DOI: 10.1016/0360-5442(91)90045-N
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    Cited by:

    1. Shi, Guo-Hua & Aye, Lu & Li, Dan & Du, Xian-Jun, 2019. "Recent advances in direct expansion solar assisted heat pump systems: A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 109(C), pages 349-366.
    2. Bakirci, Kadir & Ozyurt, Omer & Comakli, Kemal & Comakli, Omer, 2011. "Energy analysis of a solar-ground source heat pump system with vertical closed-loop for heating applications," Energy, Elsevier, vol. 36(5), pages 3224-3232.
    3. Ozgener, Onder & Hepbasli, Arif, 2007. "A review on the energy and exergy analysis of solar assisted heat pump systems," Renewable and Sustainable Energy Reviews, Elsevier, vol. 11(3), pages 482-496, April.

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