KASSEM, A. (2001). THERMAL PERFORMANCE TEST OF THE PARABOLIC SOLAR COLLECTOR. Egyptian Journal of Agricultural Research, 79(4), 1525-1537. doi: 10.21608/ejar.2001.320923
AHMED M. KASSEM. "THERMAL PERFORMANCE TEST OF THE PARABOLIC SOLAR COLLECTOR". Egyptian Journal of Agricultural Research, 79, 4, 2001, 1525-1537. doi: 10.21608/ejar.2001.320923
KASSEM, A. (2001). 'THERMAL PERFORMANCE TEST OF THE PARABOLIC SOLAR COLLECTOR', Egyptian Journal of Agricultural Research, 79(4), pp. 1525-1537. doi: 10.21608/ejar.2001.320923
KASSEM, A. THERMAL PERFORMANCE TEST OF THE PARABOLIC SOLAR COLLECTOR. Egyptian Journal of Agricultural Research, 2001; 79(4): 1525-1537. doi: 10.21608/ejar.2001.320923
THERMAL PERFORMANCE TEST OF THE PARABOLIC SOLAR COLLECTOR
Power and Energy Department, Agricultural Engineering Research Institute, Agricultural Research Center, Dokki, Giza, Egypt
Abstract
An experimental solar water heater was designed, built and installed on the roof of the Ag. Eng. Research Institute, Power and Energy department in order to study, test and evaluate its thermal performance for the parabolic solar collector. It was employed to focus the direct solar radiation on the absorber plate which was fixed on a parabolic dish. having a surface area 2.1 m2 and the solar heater box dimensions were (1.25 X 1.25 m). Solar water heater was mounted on a movable frame which could be adjusted so that at any time the angle of solar incidence on the surface of the absorber plate can be set at zero. The operating fluid (water) was continually cycled through the solar heater using a water pump. After passing through the heater, the heated water was stored in an insulated storage tank. The daily heat removal factor, useful heat gain, heat transfer efficiency, heat losses, overall thermal efficiency, energy stored, and storage system efficiency of the solar water heater throughout the experimental work were found to be 98.60%, 9.271 kWh/day, 89.71%, 1.063 kWh/day, 74.29%, 8.217 kWh/day, and 88.63% respectively.
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