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The Effect of Gasket Shape and Material Properties on Heat Losses in a Refrigerator  

Ha, Ji-Soo (Environmental Science, Keimyung University)
Jung, Kwang-Soo (Environmental Science, Keimyung University)
Kim, Tae-Kwon (School of Mechanical and Automotive Engineering, Keimyung University)
Shim, Jae-Sung (Busan National University)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.22, no.6, 2010 , pp. 413-418 More about this Journal
Abstract
The amount of heat loss of a refrigerator through the gasket is nearly 30% of total refrigerator heat loss. In this paper, quantitative evaluation for the effects of various effort to reduce heat losses through the gasket. The first trial is to extend the inner gasket to prevent the heat loss flowing from the inner of refrigerator. The effects of thermal conductivity changes of gasket and magnet are investigated by the numerical heat transfer analysis. The position change of hot line is also examined in the present research. From the present result of the numerical simulation of heat transfer, we are able to reduce the heat loss about 20~40% by using inner gasket extension. The reducing of thermal conductivity of gasket is considerable in the heat loss reduction. On the other hand, the thermal conductivity change of magnet has no apparent effect in heat loss reduction. The position change of hot line has considerable positive effect in the reduction of heat loss near gasket region.
Keywords
Refrigerator; Heat loss; Gasket; Magnet; Hot line; Thermal conductivity;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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