Numerical Model on Frost Height of Round Plate Fin Used for Outdoor Heat Exchanger of Mobile Electric Heat Pumps

被引：0
|
作者：
Lee, Moo-Yeon [1 ]
机构：
[1] Dong A Univ, Dept Mech Engn, Pusan 604714, South Korea
来源：
ADVANCES IN MECHANICAL ENGINEERING | 2012年
关键词：
CRYSTAL-GROWTH; TUBE; PERFORMANCE;
D O I：
10.1155/2012/863731
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The objective of this study is to provide the numerical model for prediction of the frost growth of the round plate fin for the purpose of using it as a round plate fin-tube heat exchanger (evaporator) under frosting conditions. In this study, numerical model was considering the frost density change with time, and it showed better agreement with experimental data of Sahin (1994) than that of the Kim model (2004) and the Jonse and Parker model (1975). This is because the prediction on the frost height with time was improved by using the frost thermal conductivity reflecting the void fraction and density of ice crystal with frost growth. Therefore, the developed numerical model could be used for frosting performance prediction of the round plate fin-tube heat exchanger.
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页数：7
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