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Throttling Characteristic Analysis of Air Source Pump Water Heater
Author(s): 
Pages: 178-182
Year: Issue:  2
Journal: Refrigeration & Air Conditioning

Keyword:  Air Source Pump Water HeaterThermostatic expansion valveConstraint characteristicsSimulation;
Abstract: 在MATLAB平台上,通过编程建立了空气源热泵热水器稳态参数模型,在模拟研究的基础上对热力膨胀阀的节流特性进行了探讨,研究结果表明在环境温度过高或冷凝温度过低时,膨胀阀对热泵系统性能的提高存在了制约.通过对比分析,提出采用膨胀阀并联装置,能较好的拓宽热泵热水器的运行工况,提高系统的制热性能.
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