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Design and optimisation of a combination solar collector–thermal engine operating on Mars

Author

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  • Badescu, Viorel
  • Popescu, Gheorghe
  • Feidt, Michel

Abstract

A “dynamic” solar power plant (which consists of a solar collector–thermal engine combination) is proposed as an alternative for the more usual photovoltaic cells. A model for heat losses in a selective flat-plate solar collector operating on Mars is developed. An endoreversible Carnot cycle is used to describe heat engine operation. This provides upper limits for real performances. The output power is maximized. Meteorological and actinometric data provided by Viking Landers are used as inputs. Two strategies of collecting solar energy were considered: (i) horizontal collector; (ii) collector tilt and orientation are continuously adjusted to keep the receiving surface perpendicular on the Sun’s rays. The influences of climate and of various design parameters on solar collector heat losses, on engine output power and on the optimum sun-to-user efficiency are discussed.

Suggested Citation

  • Badescu, Viorel & Popescu, Gheorghe & Feidt, Michel, 2000. "Design and optimisation of a combination solar collector–thermal engine operating on Mars," Renewable Energy, Elsevier, vol. 21(1), pages 1-22.
    • Handle: RePEc:eee:renene:v:21:y:2000:i:1:p:1-22
    DOI: 10.1016/S0960-1481(99)00129-9
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    Cited by:

    1. Zhang, Yue & Lin, Bihong & Chen, Jincan, 2007. "Optimum performance characteristics of an irreversible solar-driven Brayton heat engine at the maximum overall efficiency," Renewable Energy, Elsevier, vol. 32(5), pages 856-867.
    2. Badescu, Viorel, 2001. "Inference of atmospheric optical depth from near-surface meteorological parameters on Mars," Renewable Energy, Elsevier, vol. 24(1), pages 45-57.

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