流体机械

2003, (10) 44-47

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高湿地区风冷热泵蒸发器除霜控制研究
Study on the Defrosting Control of Air-cooled Heat Pump Evaporator in High Humidity District

符建坤,欧阳海生,刘凤珍
FU Jian-kun,OUYANG Hai-sheng,LIU Feng-zhen

摘要(Abstract):

对高湿地区风冷热泵蒸发器结霜过程进行了理论分析及实验测试。研究表明 ,在高湿地区 ,霜层的形成及霜厚的增加较快 ,以蒸发温度及空气压降作为除霜控制参数是合理选择化霜周期的重要依据。
The theoretical analysis and experimental measurements of frosting process of air-cooled heat pump evaporator in high humidity district are conducted. The results indicate that the formation and developing of frost are rapid in high humidity district. The evaporating temperature and the air pressure drop are the important parameters to the choice of the reasonable defrosting cycle.

关键词(KeyWords): 风冷热泵;蒸发器;除霜控制
air-cooled heat pump;evaporator;defrosting control

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作者(Author): 符建坤,欧阳海生,刘凤珍
FU Jian-kun,OUYANG Hai-sheng,LIU Feng-zhen

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