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송규석,김경환,이승철,고철균,이재헌,오명도,Song, Kyu-Soek,Kim, Kyung-Hwan,Lee, Seung-Chul,Ko, Chul-Kyun,Lee, Jae-Heon,Oh, Myung-Do 대한기계학회 1999 大韓機械學會論文集B Vol.23 No.7
The electronic refrigerating kimchi jar operates with a low noise because it contains no compressor but it consumes more energy than that of an refrigerator with compressor. In this paper, the heat flow characteristics and cooling performance of an electronic refrigerating kimchi jar are studied by means of experiments. When the storage temperature is kept in a range of $-5.7^{\circ}C$ to $4.1^{\circ}C$. in the case of three ambient temperatures; $12.7^{\circ}C$, $22.3^{\circ}C$ and $32.2^{\circ}C$, the cooling performance of $20{\ell}$ kimchi jar is investigated. The experiments show that the temperature difference that exists between kimchi jar and its ambient provides a measure of the coefficient of performance of kimchi jar. It is also found that ratio of net pumping heat to the heat pumping rate of thermoelectric module is independent of the temperature difference.