流体机械

2008, No.434(08) 66-69

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利用准二级循环提高跨临界CO_2热泵热水器性能
Improving Performance of Transcritical CO_2 Heat Pump Water Heater by Quasi Two-stage Cycle

朱兴旺;张朝晖;仇富强;龚毅;
ZHU Xing-wang1,ZHANG Chao-hui2,QIU Fu-qiang1,GONG Yi1(1.Zhengzhou University of Light Industry,Zhengzhou 450002,China;2.Hefei General Refrigerating Equipment Co.,Lid.,Hefei 230000,China)

摘要(Abstract):

提出了一种全新的应用于热泵热水器的准二级跨临界CO2热泵循环。对其分析研究表明该循环可以有效降低压缩机的排气温度,提高热泵热水器的制热效率。这种热泵热水器尤其适用于寒冷地区。
An new technology quasi two-stage transcritical CO2 heat pump cycle is presented.The discharge temperature of compressor of this cycle can be reduced availability,and the heating coefficient of performance can be increased through investigation.This heat pump water heater can be applied in cold region.

关键词(KeyWords): 热泵热水器;准二级跨临界CO2热泵循环;排气温度;制热效率
heat pump water heater;quasi two-stage cycle transcritical CO2 heat pump cycle;discharge temperature;heating coefficient of performance.

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基金项目(Foundation): 国家科技支撑计划—低品位能源高效应用关键技术研究子课题:CO2空气源热泵热水机组开发(2006BAJ01A10)

作者(Author): 朱兴旺;张朝晖;仇富强;龚毅;
ZHU Xing-wang1,ZHANG Chao-hui2,QIU Fu-qiang1,GONG Yi1(1.Zhengzhou University of Light Industry,Zhengzhou 450002,China;2.Hefei General Refrigerating Equipment Co.,Lid.,Hefei 230000,China)

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