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WASTE HEAT RECOVERY FROM DOMESTIC REFRIGERATOR
Soma A. Biswas, Sandeep M. Joshi

Published in: International Journal of Current Engineering And Scientific Research ( IJCESR)
Volume- 4, Issue-9, pp.12-17, Sep 2017
DPI :-> 16.10046.IJCESR.2017.V4I9.1217.1912



Abstract
Refrigeration is a process where the heat moves from low temperature reservoir to high temperature reservoir. Heat which is rejected by the condenser of a refrigerator is of low quality which means the temperature is low. So in this current project an attempt is made to utilize this waste heat from the condenser of a household refrigerator. Though it is impossible to recover the entire energy lost by the waste heat of the refrigerator, this project aims at minimizing the losses and recovery of maximum heat from the system by using water cooled condenser. To fulfill this, a heat exchanger was fabricated with tube-in-tube construction and was replaced with the original condenser. This helped in saving of energy as no electricity was used for heating water. The new system has given better performance than the existing one however with few more modifications a better efficiency from the developed system can be achieved. Also it has contributed to energy saving as well as cost saving as both the utilities (refrigeration and heating) are combined in one system. The maximum temperature of the water obtained after 2 hours of continuous operation was 44.3°C. This water obtained can be utilized for domestic applications like bathing, laundry, cleaning etc.

Key-Words / Index Term
Domestic refrigerator, Energy savings, Water cooled condenser, Waste heat recovery.

How to cite this article
Soma A. Biswas, Sandeep M. Joshi , “WASTE HEAT RECOVERY FROM DOMESTIC REFRIGERATOR”, International Journal of Current Engineering And Scientific Research ( IJCESR), 4, Issue-9, pp.12-17, Sep 2017. DPI:16.10046.IJCESR.V4.I9.1912