出水温度对采用电子膨胀阀的风冷热泵冷（热）水模块机组制冷性能的影响

doi:10.3969/j.issn.0438-1157.2012.05.008

化工学报 ›› 2012, Vol. 63 ›› Issue (5): 1379-1384.DOI: 10.3969/j.issn.0438-1157.2012.05.008

出水温度对采用电子膨胀阀的风冷热泵冷（热）水模块机组制冷性能的影响

江燕涛1，何理2

1广东海洋大学工程学院；2美的商业空调有限公司

收稿日期:2011-10-14 修回日期:2012-02-14 出版日期:2012-05-05 发布日期:2012-05-05
通讯作者: 江燕涛

Influence of outlet water temperature on refrigeration performance of modular air-cooled chilled (hot)water units with electronic expansion valve

JIANG Yantao1，HE Li2

1Engineering College，Guangdong Ocean University;2Guangdong Midea Commercial Air Conditioning Equipment Co.Ltd.

Received:2011-10-14 Revised:2012-02-14 Online:2012-05-05 Published:2012-05-05

摘要/Abstract

摘要： 为了研究出水温度对采用电子膨胀阀和模块化能量调节系统的风冷热泵冷（热）水模块化机组制冷性能的影响，对5台制冷量60 kW该类机组在蒸发器冷冻水出水温度5～12℃、环境干球温度25～42℃、相对湿度40%变工况条件下进行实验。得出机组制冷量在54～71 kW之间，消耗功率在17.2～22.2 kW，制冷COP是2.55～3.84，以及冷冻水出水温度对机组制冷量、输入功率和COP值的一系列变化规律，这些规律为风冷热泵冷（热）水模块机组的节能运行和优化设计提供了依据。

关键词: 风冷冷热水机组 , 出水温度 , 电子膨胀阀 , 制冷性能

Abstract: In order to study the effect of outlet-water temperature on the refrigeration performance of modular air-cooled chilled (hot)water with electronic expansion value and modularity energy adjustment system，experiments were carried out with 5 units with 60 kW refrigerating output under different working conditions：outlet water temperature of evaporator chilled water in the range of 5—12℃，ambient dry-bulb temperature in the range of 25—42℃，and relative humidity 40%.The cooling capacity of the unit is 54—71 kW，power consumption is 17.2—22.2 kW，and refrigeration COP is 2.55—3.84.The effect of outlet-water temperature of chilled water on refrigeration capacity，input power and COP were examined，which provides the basis for energy saving operation and optimization design.

Key words: air-cooled chilled (hot)water unit, outlet-water temperature, electronic expansion valve, refrigeration performance

中图分类号:

TK17

江燕涛，何理. 出水温度对采用电子膨胀阀的风冷热泵冷（热）水模块机组制冷性能的影响[J]. 化工学报, 2012, 63(5): 1379-1384.

JIANG Yantao，HE Li. Influence of outlet water temperature on refrigeration performance of modular air-cooled chilled (hot)water units with electronic expansion valve[J]. CIESC Journal, 2012, 63(5): 1379-1384.

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出水温度对采用电子膨胀阀的风冷热泵冷（热）水模块机组制冷性能的影响

Influence of outlet water temperature on refrigeration performance of modular air-cooled chilled (hot)water units with electronic expansion valve

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