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Analytical thermal analysis of air-heating solar collectors

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Abstract

In this paper, Optimal homotopy asymptotic method (OHAM) and homotopy perturbation method (HPM) are applied to investigate heat transfer in the air-heating flat-plate solar collectors. Results for different values of active parameters are compared with numerical method (fourth order Runge-Kutta method). The results confirm the notion that the HPM method is more accurate than OHAM and efficient technique for finding exact solutions for differential equations which have great significance in different fields of science and engineering. Effects of air flow rate, width and length of the collector on thermal efficiency are examined. As an important outcome, increasing in the collector’s dimensions (width and length) make a decreasing in thermal efficiency, but increasing in air mass flow rates improve it.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Babol University of Technology, Babol, P.O. Box 484, Iran

    S. E. Ghasemi, M. Hatami & D. D. Ganji

Authors
  1. S. E. Ghasemi
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  2. M. Hatami
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  3. D. D. Ganji
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Corresponding author

Correspondence to D. D. Ganji.

Additional information

Recommended by Associate Editor Ji Hwan Jeong

Davood Domiri Ganji is an associate Professor of Mechanical Engineering Department at Babol University of Technology; Babol, Iran. He received his Ph.D. in Mechanical Engineering from Tarbiat Modares University. He was chosen as the best scientist in 2008 by Thompson Reuters in field of engineering. www.ddganji.com.

Mohammad Hatami was born on 1987 in Esfarayen, North Khorasan, Iran. He received his B.S. (2009) and M.Sc. (2011) degrees in mechanical engineering from Ferdowsi University of Mashhad, Iran. Since 2011, he is a Ph.D. Student at Babol University of Technology. His research interests are internal combustion engines, CFD and analytical solution for nonlinear problems.

Seyed Ebrahim Ghasemi received his B.Sc. and M.Sc. degrees in 2009 and 2013 respectively in mechanical engineering from Babol University of Technology, Babol, Iran. His research interests are CFD modeling, solar energy and analytical methods for solving nonlinear equations in engineering fields.

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Ghasemi, S.E., Hatami, M. & Ganji, D.D. Analytical thermal analysis of air-heating solar collectors. J Mech Sci Technol 27, 3525–3530 (2013). https://doi.org/10.1007/s12206-013-0878-0

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  • DOI: https://doi.org/10.1007/s12206-013-0878-0

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