Experimental study for the enhancement of heat transfer characteristics and development of thermal correlations of a roughened solar collector
Dheeraj Kumar,
Rakesh Kumar,
Apurba Layek
Abstract:The thermal performance of the flat plate solar collector is very low. The most beneficial and worthwhile method for increasing the thermal performance of a solar‐powered air heater (SPAH) is to include a roughness element in the working zone of heat transfer that is located beneath the shear layer of the absorber surface. In this research work, efforts are made to enhance thermal performance and develop thermal correlations for the estimation of the Nusselt number and friction factor of a roughened SPAH. Expe… Show more
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