An experimental investigation of door opening effect on household refrigerator; the perspective in Bangladesh

Abstract

In this study presents the experimental investigation of the effects of number of door openings on the energy consumption of a household refrigerator. The experiments were conducted under the different number of door opening conditions. From the test results, energy consumption of refrigerator with door opening was found to increase compared to the same product without door opening. Depending on the number of door opening about 7-30% more energy consumption has been observed as compared to closed door condition. Experimental results also show that the compressor on-off cycling increases by about 2-5 times because of the number of door opening increase which ultimately increases the system loss of the refrigeration system. The test result also proved that the temperature fluctuation inside the cabin is increased with increasing the number of door opening which ultimately damage the quality of the food. If the users in Bangladesh be serious, a significant amount of energy could be saved and reduce the system losses with proper utilizing of the refrigerator freezer. © 2014 Knowledgia Review, Malaysia.