PERFORMANCE ANALYSIS OF EVACUATED TUBE HEAT PIPE SOLAR WATER HEATING SYSTEM USING COPPER OXIDE NANOFLUIDS

Mechanical Engineering

Solar energy is one of the non-pollutant forms of renewable energy resource which is abundantly available with free of cost, which can be utilized for domestic and commercial purpose to archive the need of people in field of thermal energy. The study shows utilization of solar energy to heat the water with the help of experimental setup involves evacuated tube heat pipe containing nano-fluid and parabolic trough collector. Evacuated tube heat pipe absorbs heat and transfer to the water. Parabolic trough collector is used to concentrate solar irradiation on heat pipe to increase the efficiency of the system. The heat, absorbed by nano-fluid in evaporating section is transfer to condensation section, where heat is transfer to the water. Experimental setup consist four evacuated tube heat pipe, out of which two evacuated tubes as single unit having CuO Nano-fluid as working fluid and another two evacuated tubes as a single unit having distilled water as working fluid .Heat absorption and transfer capacity of CuO Nano-fluid is 15%-20% more than distilled water, use of parabolic trough collector and at same time effect of inclination of setup also increase the efficiency of water heating system.

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