Effectiveness of Composite Absorber on Solar Air Heater with Double Glass Cover
Journal Title: International Journal of Engineering and Science Invention - Year 2018, Vol 7, Issue 9
Abstract
This research focuses on experimental investigation that was carried out to study the performance of two identical flat plate solar air heaters with two different absorber material, one in conventional type (type-1 absorber black coated galvanised iron plate) and the other one composite absorber (type-2 absorber clear toughened glass placed above the black coated galvanized iron plate). The aim of this study is to experimentally analyse the performance of this system and to alleviate the problems of black coated galvanised iron plate used as absorber material in Commercial/Existing solar air heater. The efficiency of the solar air heaters for the two positions of absorber at different mass flow rates (single flow) were experimentally established. Various efficiencies at different time intervals, with solar intensity were also plotted on the graphs. On the basis of energy output rate, solar air heater composite absorber (type-2) is more effective and the difference between the inlet and the outlet air temperature is higher than that of the conventional absorber (type-1).
Authors and Affiliations
A. Jaya kumar, S. Saravanan, N. Krishna Mohan
Keywords
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