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This paper presents an experimental research on test method of heat transfer coefficient for refrigerator gasket. An experimental apparatus based on Reverse Heat Loss Method (RHLM) was established. Tests were carried out on three distinct refrigerators to develop a high accuracy and repeatability test method. To ensure the accuracy of test, heat flux test zones of cabinet walls were divided strictly in conformity with the thermal resistance distribution. It was observed that the deviations of the heat transfer coefficient were less than +/- 5%, by using small volume size refrigerator as the test box and the characteristic heat flux method to simplify the test zones. Through testing gaskets with the different structures, the heat transfer coefficient of common gasket was about 0.045 W/m degrees C. The results also indicate that the auxiliary air cell, multi-air cells, stiffener and auxiliary edge can reduce the heat leakage of gasket. The fan in the cabinet contributed to an increase of about 17% to heat leakage of gasket. (C) 2019 Elsevier Ltd and IIR. All rights reserved.
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INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID
ISSN: 0140-7007
Year: 2020
Volume: 110
Page: 106-120
3 . 6 2 9
JCR@2020
3 . 6 2 9
JCR@2020
ESI Discipline: ENGINEERING;
ESI HC Threshold:59
JCR Journal Grade:2
CAS Journal Grade:2
Cited Count:
WoS CC Cited Count: 7
SCOPUS Cited Count: 15
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 3