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Transient analysis of evacuated tubular solar collector with finite difference technique

Author

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  • Kumar, Rakesh
  • Kaushik, S.C.
  • Garg, H.P.

Abstract

This paper presents transient analysis of an evacuated tubular solar collector. Basic energy balance equations for the glass envelope, the absorber and the fluid are solved using the finite difference technique to predict the various component temperatures as a function of time. Four versions of the evacuated tubular collector are considered for typical winter and summer conditions. It is found that an evacuated tubular collector with a lower vacuum and a selective coating can yield receiver temperature and outlet water temperature of 360° and 180°C, respectively, for a typical set of ordinary parameters and summer conditions.

Suggested Citation

  • Kumar, Rakesh & Kaushik, S.C. & Garg, H.P., 1994. "Transient analysis of evacuated tubular solar collector with finite difference technique," Renewable Energy, Elsevier, vol. 4(8), pages 941-947.
    • Handle: RePEc:eee:renene:v:4:y:1994:i:8:p:941-947
    DOI: 10.1016/0960-1481(94)90228-3
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    Cited by:

    1. Vishal Dabra & Avadhesh Yadav, 2020. "Performance analysis and comparison of glazed and unglazed solar air collector," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 22(2), pages 863-881, February.
    2. Fan, Leilei & Sun, Zhilin & Wan, Wuyi & Zhang, Boran, 2024. "Improved model for thermal transmission in evacuated tubes: Effect of non-uniform heat flux and circumferential conduction," Energy, Elsevier, vol. 297(C).

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