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Effect of Ambient Temperature and Humidity on Defrosting Characteristics of Air Source Heat Pump
Author(s): 
Pages: 19-23
Year: Issue:  5
Journal: Journal of Refrigeration

Abstract: 试验研究了空气温湿度变化对风冷热泵机组的除霜性能的影响,采用实时数据分析方法研究了在多次除霜周期和除霜间隔周期内翅片温度、过冷度和过热度的变化规律和特点,为寻求优化的除霜控制方法提供了大量试验依据.定量分析了空气温湿度的变化对制热恢复时间、制热衰减时间、稳定制热时间以及除霜间隔时间的影响.研究表明,在不同的温湿度工况下,均出现了盘管出口温度变化率突变以及温度的周期性震荡,这一时刻,制热量开始快速衰...
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