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Energy balances for upward-type baffled solar air heaters

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  • Yeh, Ho-Ming

Abstract

Considerable improvement in the collector efficiency of solar air heaters is obtained if the fins in the collector have attached baffles to create air turbulence and an extended heattransfer area. Further improvement in performance can be achieved if the fins with baffles are attached over the absorbing plate in such a manner that air flows over, instead of under, the absorbing plate and creates free convection. In this paper, energy balances for upward-type baffled solar air heaters have been developed and a theoretical equation for estimating the collector efficiency has been derived.

Suggested Citation

  • Yeh, Ho-Ming, 1994. "Energy balances for upward-type baffled solar air heaters," Energy, Elsevier, vol. 19(9), pages 919-924.
  • Handle: RePEc:eee:energy:v:19:y:1994:i:9:p:919-924
    DOI: 10.1016/0360-5442(94)90076-0
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    Cited by:

    1. Mohammadi, K. & Sabzpooshani, M., 2013. "Comprehensive performance evaluation and parametric studies of single pass solar air heater with fins and baffles attached over the absorber plate," Energy, Elsevier, vol. 57(C), pages 741-750.
    2. Sabzpooshani, M. & Mohammadi, K. & Khorasanizadeh, H., 2014. "Exergetic performance evaluation of a single pass baffled solar air heater," Energy, Elsevier, vol. 64(C), pages 697-706.
    3. Chii Dong Ho & Hsuan Chang & Rei Chi Wang & Chun Sheng Lin, 2013. "Analytical and Experimental Study of Recycling Baffled Double-Pass Solar Air Heaters with Attached Fins," Energies, MDPI, vol. 6(4), pages 1-22, March.
    4. Ho, C.D. & Yeh, H.M. & Cheng, T.W. & Chen, T.C. & Wang, R.C., 2009. "The influences of recycle on performance of baffled double-pass flat-plate solar air heaters with internal fins attached," Applied Energy, Elsevier, vol. 86(9), pages 1470-1478, September.

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