流体机械

2012, v.40;No.484(10) 72-74

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蒸发空冷式空调系统工程测试与分析
Analysis and Project Test on an Evaporative Air-cooled Air-conditioning System

常茹;吕建;杨洪兴;张灿;
CHANG Ru1,LU Jian2,YANG Hong-xing2,ZHANG Can2(1.Tianjin University,Tianjin 300072,China;2.Tianjin Institute of Urban Construction,Tianjin 300384,China; 3.The Hong Kong Polytechnic University,Hong Kong,China)

摘要(Abstract):

香港地区的淡水资源匮乏,其空调系统一般采用空气冷却型,使得空调能耗占建筑能耗的比例很高。随着香港水务署部分淡水限令的解除,大量用户对空冷式空调系统进行改造研究。本文对香港一空冷式空调系统进行了改进,采用在冷凝器上直接喷水的方式增强其换热效果,并进行了相关性能测试。测试结果表明,改进后的系统比原系统的制冷系数平均高35.9%。
Hong Kong's fresh water resources are scarce,its air-conditioning systems commonly adopt air-cooled air conditioning.Energy consumption of air conditioning system in Hong Kong accounted for a high proportion to building energy consumption.With the Hong Kong Water Supplies Department lift part of the freshwater restriction,a large number of users modify air-cooled air conditioning system.A renovated evaporative air-cooled air-conditioning system was proposed,which used direct water-spraying method to enhance heat-transfer performance and tested the performance of the system.Test results showed,refrigeration coefficient of renovated system was higher than traditional system,averagely 35.9%.

关键词(KeyWords): 蒸发空冷式空调系统;制冷系数;测试
evaporative air-cooled air-conditioning;refrigeration coefficient;test

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作者(Author): 常茹;吕建;杨洪兴;张灿;
CHANG Ru1,LU Jian2,YANG Hong-xing2,ZHANG Can2(1.Tianjin University,Tianjin 300072,China;2.Tianjin Institute of Urban Construction,Tianjin 300384,China; 3.The Hong Kong Polytechnic University,Hong Kong,China)

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