Solar thermal collector augmented by flat plate booster reflector: Optimum inclination of collector and reflector
Hiroshi Tanaka
Applied Energy, 2011, vol. 88, issue 4, 1395-1404
Abstract:
In this report we present a theoretical analysis of a solar thermal collector with a flat plate top reflector. The top reflector extends from the upper edge of the collector, and can be inclined forwards or backwards from vertical according to the seasons. We theoretically predicted the daily solar radiation absorbed on an absorbing plate of the collector throughout the year, which varies considerably with the inclination of both the collector and reflector, and is slightly affected by the ratio of the reflector and collector length. We found the optimum inclination of the collector and reflector for each month at 30°N latitude. An increase in the daily solar radiation absorbed on the absorbing plate over a conventional solar thermal collector would average about 19%, 26% and 33% throughout the year by using the flat plate reflector when the ratio of reflector and collector length is 0.5, 1.0 and 2.0 and both the collector and reflector are adjusted to the proper inclination.
Keywords: Solar; energy; Solar; thermal; collector; Flat; plate; reflector; Collector-reflector; Optimum; inclination (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (21)
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Persistent link: https://EconPapers.repec.org/RePEc:eee:appene:v:88:y:2011:i:4:p:1395-1404
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