An experimental and numerical study of refrigerator heat leakage at the gasket region

被引：26

作者：

Gao, Feng ^{[1
]}

Naini, Sheruin Shoai ^{[2
]}

Wagner, John ^{[2
]}

Miller, Richard ^{[2
]}

机构：

[1] New Jersey Inst Technol, Dept Mech Engn, Newark, NJ 07102 USA

[2] Clemson Univ, Dept Mech Engn, 210 Engn Innovat Bldg, Clemson, SC 29634 USA

来源：

INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID | 2017年 / 73卷

关键词：

Refrigerators; Heat leakage; Computational fluid dynamics; Reverse heat load method; Experimental testing; ARTIFICIAL NEURAL-NETWORKS; AIR-FLOW; DOMESTIC REFRIGERATOR; SIMULATION; CONVECTION; FREEZER; LOADS;

D O I：

10.1016/j.ijrefrig.2016.09.002

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A combined experimental and computational approach was developed to measure the heat leakage through the refrigerator gasket region. The experiment was carried out by measuring the heat flux through the door gasket by Reverse Heat Load Method (RHLM). The experimental point measurements lie near to the continuous curve from Computational Fluid Dynamics (CFD) simulation, which makes it reasonable to provide a dimensionless shape profile by CFD to fill in the missing information between experimental measurement points in order to provide the actual effective heat leakage. The average effective heat leakage on the door gasket surface is determined as 0.2 W m(-1) K-1 comprising 17% and 14% heat leakage of the total load in the fresh-food and freezer compartments, respectively. The electric fan and the hot pipe along the perimeter of the door contribute to an increase of 20% and 10% in the effective heat leakage on the door surface of the freezer, respectively. (C) 2016 Elsevier Ltd and IIR. All rights reserved.

引用

页码：99 / 110

页数：12

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