A review of solar air flat plate collector for drying application

Ahmad Fudholi and Kamaruzzaman Sopian

Renewable and Sustainable Energy Reviews, 2019, vol. 102, issue C, 333-345

Abstract: In this review, we present the fundamental mechanisms and descriptions of solar collectors, which are indispensable components of solar dryers. Then, analysis methods typically used for the evaluation of solar collector performance, particularly energy analysis and exergy analysis, are reported. Experimental and theoretical results from studies on the performance levels of solar air flat plate collectors are summarised as well. During indoor testing, the energy and exergy efficiencies of solar air flat plate collectors range from 30% to 79% and from 8% to 61%, respectively. Various solar collectors are described and classified, and the designs and performance levels of solar collectors with fins integrated to a fluidized bed combination of heat pump and biomass furnace are also reported. Moreover, solar air flat plate collector performances in the drying application of marine and agricultural products are presented. The energy and exergy efficiencies of the solar air flat plate collector in the drying application (outdoor testing) range from 28% to 62% and from 30% to 57%, respectively.

Keywords: Solar drying; Solar collector; Exergy analysis; Improvement potential; Heat pump; Fluidized bed; Hybrid drying (search for similar items in EconPapers)
Date: 2019
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Citations: View citations in EconPapers (23)

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DOI: 10.1016/j.rser.2018.12.032

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