Razali Thaib, Hamdani, Irwansyah
Solar power system has been applied to heat water for night time home activity in rural areas. The system will provides hot water availability out the day. The system consist of a solar water heater and a heat storage unit filled by Phase Change Material (PCM). The solar water heater used for supplying hot water during the day. Storage unit stores the heat in PCM during the day and convert to be hot water during the night. Type of solar water is thermosyphone. The main component of solar water heater is a solar collector box, insulating material, circulation tubes and absorber plate. The heat storage that filled paraffin wax integrated with solar collcector unit for absorbing solar heat. Paraffin wax that comercially available in the market used for heat storage material. The experimental investigation conducted in open field located at Faculty of Engineering, Syiah Kuala University. The water temperature, absorber plate temperature and solar intensity was measured and recorded every 10 minute. The experiment test started from 8.00 am up to 23.00 pm. The results show that temperature of hot water at 17.00 pm is 45 °C. Temperature optimum of solar water heating system that could be achieved up to 20.00 pm is 40 - 45 °C. The maximum temperature of hot water produced by collector solar water heater which is equipped parffin wax is 70 °C. The maximum efficiency of a collector solar water heater is 36.6 %. Based on experimental results, by adding of paraffin wax in the solar collector could able to increase efficiency of solar water heating systems. © 2006-2014 Asian Research Publishing Network (ARPN).
Department of Mechanical Engineering, Syiah Kuala University, Banda Aceh, Indonesia; Department of Mechanical Engineering, Polytechnic Lhokseumawe, Buket Rata Lhokseumawe, Indonesia
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