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Performance studies on a finned-air heater

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  • Garg, H.P.
  • Datta, G.
  • Bhargava, Ashok Kumar

Abstract

We have investigated a fin-type air heater, both experimentally and theoretically. In the experimental set-up, the fins are integrated with the upper plate of the conventional duct-type air heater with single glazing. The experiments were performed on two clear days for two different mass-flow rates. A transient model is then developed to study the performance of the finned air heater and, by adjusting heat-transfer coefficients, the theoretical data are fitted to the experimental results. Agreement between theoretical predictions and experimental values is found to be good. We have used the resulting values of the heat-transfer coefficient to predict the performance of the system when the fins are placed in the lower metallic plate or in both the upper and lower plates. The dependence of efficiency on fin density has been studied.

Suggested Citation

  • Garg, H.P. & Datta, G. & Bhargava, Ashok Kumar, 1989. "Performance studies on a finned-air heater," Energy, Elsevier, vol. 14(2), pages 87-92.
    • Handle: RePEc:eee:energy:v:14:y:1989:i:2:p:87-92
    DOI: 10.1016/0360-5442(89)90082-0
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    Cited by:

    1. Priyam, Abhishek & Chand, Prabha, 2018. "Effect of wavelength and amplitude on the performance of wavy finned absorber solar air heater," Renewable Energy, Elsevier, vol. 119(C), pages 690-702.
    2. Saxena, Abhishek & Varun, & El-Sebaii, A.A., 2015. "A thermodynamic review of solar air heaters," Renewable and Sustainable Energy Reviews, Elsevier, vol. 43(C), pages 863-890.
    3. Singh, Satyender & Dhiman, Prashant, 2016. "Thermal performance of double pass packed bed solar air heaters – A comprehensive review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 53(C), pages 1010-1031.
    4. Teo, H.G. & Lee, P.S. & Hawlader, M.N.A., 2012. "An active cooling system for photovoltaic modules," Applied Energy, Elsevier, vol. 90(1), pages 309-315.
    5. Abhishek Kumar Goel & S. N. Singh, 2020. "Experimental study of heat transfer characteristics of an impinging jet solar air heater with fins," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 22(4), pages 3641-3653, April.

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