LPG refrigeration system with zero operating cost

Abstract

This paper is the result of the some research on domestic refrigerators which is used for preserve food and medicine. The availability of electricity is not available everywhere for those area, where electricity supply not available every time there we use LPG refrigeration system. This refrigeration system is available with zero operating cost. In this refrigeration system LPG (liquefied Petroleum gas) is used as refrigerant, which is available in every household. It comprises 24.4% propane, 56.4 % butane and 17.2% isobutane which is varied company by company. LPG is cheap and environment friendly type refrigerant it also does not affect ozone layer. For limited region the COP of LPG refrigeration system is slightly greater than domestic refrigerator.