Abstract
This work deals with the design and fabrication of the semicircular solar water heater to use non-conventional energy to obtain hot water. The solar water heater has been made by using locally available materials like dripping lateral pipe, coconut coir, plastic drum, galvanised iron sheet, hose pipes etc. Work has been done on three types of set-ups. Experimentation has been carried out for the period two months. In the performance evaluation, inlet, outlet temperature of the water and the drum water temperature has been measured. Experimental investigation has been carried out by using three different trial setups, Semicircular setup without insulation and heat absorber plate, Semicircular setup with insulation and galvanised iron cover as a absorber, results are not favourable for getting hot water in both the cases. The setup with insulation blackened galvanised iron cover and transparent plastic cover which covers the pipes gives good amount of hot water. The maximum temperature attained in this set-up is 72 degrees. The water flow takes place due to thermo siphon effect.
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