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Performance and cost analysis of double flow solar air heaters

Yousef, Bashria A. A. and Adam, N. M. and Leman, Abd Mutalib Performance and cost analysis of double flow solar air heaters. In: Proceedings of the 6th IASTED International Conference on European Energy and Energy System (EuroPES 2006), 26-28 June 2006, Rhodes, Greece.

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Abstract

This study involves a model to investigate the effect of mass flow, channel depth and collector length on the thermal performance and cost benefit ratio for solar collector in double flow mode with and without porous media by using a developed internet based expert system. The thermal performance was determined over a wide range of operating conditions, and the optimum operating conditions were determined. It is found that for drying purpose the designed air flow rate should be in the range of 0.03 to 0.04 kg/s, and the thermal efficiency increased by 5% in double flow after using porous media. On the other hand it is concluded that the higher in cost energy for any particular combination of flow depth, collector length and mass flow rate is at short collector length, small flow depth with high quantity of mass flow rate. Moreover, the values of duct lengths and depths for which the cost of solar energy is minimized are different for different values of mass flow rates

Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: solar air heaters; thermal performance; cost of solar energy; expert system
Subjects: T Technology > TH Building construction > TH7005-7699 Heating and ventilation. Air conditioning
Depositing User: Normajihan Abd. Rahman
Date Deposited: 07 Nov 2012 03:59
Last Modified: 07 Nov 2012 03:59
URI: http://eprints.uthm.edu.my/id/eprint/2627
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