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Entropy generation in a solar collector filled with a radiative participating gas

Author

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  • Makhanlall, Deodat
  • Munda, Josiah L.
  • Jiang, Peixue

Abstract

Heat losses in solar energy collectors are associated with thermodynamic irreversibility, which causes entropy generation. These losses can be reduced through EGM (entropy generation minimization) techniques. Using computational fluid dynamics, entropy generation associated with viscous dissipation, heat conduction and convection, and thermal radiation is studied for a solar collector filled with a radiative participating gas. The EGM methodology shows that gas filled solar collectors have an optimum optical thickness and an optimum tilt angle where the heat losses are minimized. These optimum conditions for gas filled collectors cannot accurately be determined using conventional performance parameters. Solar collectors filled with radiative participating gases are also found to be suitable for the tropics.

Suggested Citation

  • Makhanlall, Deodat & Munda, Josiah L. & Jiang, Peixue, 2013. "Entropy generation in a solar collector filled with a radiative participating gas," Energy, Elsevier, vol. 60(C), pages 511-516.
    • Handle: RePEc:eee:energy:v:60:y:2013:i:c:p:511-516
    DOI: 10.1016/j.energy.2013.08.043
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    References listed on IDEAS

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    1. Chang, Tian Pau, 2009. "Performance evaluation for solar collectors in Taiwan," Energy, Elsevier, vol. 34(1), pages 32-40.
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    Cited by:

    1. Safari, Mehdi & Sheikhi, M. Reza H., 2014. "Large eddy simulation-based analysis of entropy generation in a turbulent nonpremixed flame," Energy, Elsevier, vol. 78(C), pages 451-457.
    2. Sciacovelli, A. & Verda, V. & Sciubba, E., 2015. "Entropy generation analysis as a design tool—A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 43(C), pages 1167-1181.
    3. Jilani, G. & Thomas, Ciby, 2014. "Effect of thermo-geometric parameters on entropy generation in absorber plate fin of a solar flat plate collector," Energy, Elsevier, vol. 70(C), pages 35-42.
    4. Arjmandi, H.R. & Amani, E., 2015. "A numerical investigation of the entropy generation in and thermodynamic optimization of a combustion chamber," Energy, Elsevier, vol. 81(C), pages 706-718.

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