Abstract
This paper presents an experimental investigation of an Augmented Integral Rock System. Experiments have been performed on such a solar air heater fabricated at the Institute. Experimental observations of fluid temperature, energy storage and other measures of system performance with variation of air mass flow rate, number of glazings and depth of rock bed are presented. The heat decay characteristics of the rock bed, while using a night insulation cover in addition to glass covers, are also reported in detail.
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