流体机械

2010, v.38;No.458(08) 79-83+65

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结霜工况下空气源热泵动态特性数值模拟
Numerical Study on Dynamic Performance of Air Source Heat Pump under Frosting Conditions

龚建英;袁秀玲;
GONG Jian-ying1,YUAN Xiu-ling2 (1.Chang'an University,Xi'an 710064,China;2.Xi'an Jiaotong University,Xi'an 710049,China)

摘要(Abstract):

对结霜工况下空气源热泵动态性能进行了数值模拟,分析了结霜工况下空气源热泵制冷剂两相区与过热区分界点、换热器结霜量以及壁面温度等动态性能参数分布,理论计算结果与试验数据吻合较好,此研究为深入理解和分析多排翅片管换热器结霜过程提供重要参考。
A numerical study was carried out on the dynamic performance of air source heat pump under frosting conditions.Some important dynamic parameters were investigated,such as refrigerant liquid dry-out position,frost accumulation,tube wall temperature.And the results were validated by reported data.This study provided important reference for analyzing multi-row fin-tube heat exchanger under frosting condition.

关键词(KeyWords): 空气源热泵;动态特性;结霜工况
air source heat pump;dynamic performace;frosting condition

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作者(Author): 龚建英;袁秀玲;
GONG Jian-ying1,YUAN Xiu-ling2 (1.Chang'an University,Xi'an 710064,China;2.Xi'an Jiaotong University,Xi'an 710049,China)

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