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化工学报  2014 

复合热源CO2热泵热水器的模拟分析

DOI: 10.3969/j.issn.0438-1157.2014.z2.038, PP. 256-264

Keywords: CO2,复合热源,COP,热力学性质,环境

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Abstract:

为提高热泵热水器的能源利用效率,充分利用CO2环保和独特的热力学性质等优势,设计了一种以CO2为工质的复合热源热泵热水器。针对该复合热源CO2热泵热水器的结构特点,运用集总参数法分别建立了集热/蒸发器、压缩机、气体冷却器、回热器和节流阀的稳态数学模型。通过所建模型分析了复合热源CO2热泵热水器的COP、制热量及耗电量随着不同的结构参数、压力、CO2温度、环境温度及太阳辐射强度等的变化规律。结果显示,该复合热源CO2热泵热水器在适当的结构参数、环境参数以及运行参数下能有较高的性能值,在环境温度35℃,太阳辐射强度900W·m-2的工况下,系统的平均COP达到了6.0。

References

[1]  Hiroshi Mukaiyam, et al. Development of CO2 compressor and its application system//7th International Energy Agency Heat Pump Conference[C]. Beijing, China, 2002: 137-146
[2]  Wang Shouguo, Tuo Hanfei, Cao Feng, Xing Ziwen. Experimental investigation on air-source transcritical CO2 heat pump water heater system at a fixed water inlet temperature[J]. International Journal of Refrigeration, 2013, 36: 701-716
[3]  Petter Neksfit, Hfivard Rekstad, Zakeri G Reza, Per Arne Schiefloe. CO2 heat pump water heater: characteristics, system design and experimental results[J]. International Journal of Refrigeration, 1998, 21(3): 172-179
[4]  Zhou Zicheng(周子成). CO2 heat pump water heater[J].Refrigeration and Air Conditioning,2005, 5(4): 9-18
[5]  Wang Lei(王磊),Yu Jianrong(俞建荣). CO2 heat pump water heater and development of heat pump compressor[J].Journal of Beijing Institute of Petrochemical(北京石油化工学院学报), 2014, 22(1): 16-19
[6]  Chaturvedi S K, Chiag Y F, Roberts A S. Analysis of two-phase flow solar collectors with application to heat pumps[J]. Journal of Solar Energy Engineering, 1982, 104: 358-365
[7]  Chaturvedi S K, Shen J Y. Thermal performance of a direct expansion solar-assisted heat pump[J]. Solar Energy,1984,33: 155-162
[8]  Chaturvedi S K, Chen D T, Kheireddine A. Thermal performance of a variable capacity direct expansion solar-assisted heat pump[J]. Energy Convers. Manage., 1998, 39(3/4): 181-191
[9]  Kuang Yuhui(旷玉辉),Wang Ruzhu(王如竹). Experimental study on the direct-expansion solar assisted heat pump water heater[J]. Journal of Engineering Thermophysics(工程热物理学报), 2005, 26(3): 379-381
[10]  Xu Guoying(徐国英),Zhang Xiaosong(张小松).Simulation model of collector/evaporator for multi-source heat pump[J]. Journal of Engineering Thermophysics(工程热物理学报), 2006, 27(1): 61-64
[11]  Ding Guoliang(丁国良),Huang Dongping(黄冬平).Carbon Dioxide Refrigeration Technology (CO2 制冷技术)[M]. Beijing: Chemical Industry Press, 2006: 253-264
[12]  Hu Huan(胡欢).Fast calculation model of the thermodynamic and transport properties of CO2[D]. Shanghai:Shanghai Jiao Tong University,2008
[13]  Lorentzen G, Pettersen J. Revival of carbon dioxide as a refrigerant[J].International Journal of Refrigeration, 1994, 17(5): 292-301
[14]  Hihara E. R&D on heat pumps with natural working fluids in Japan//7th International Energy Agency Heat Pump Conference[C]. Beijing, China, 2002: 272-279
[15]  Neksa P.CO2 heat pump systems[J]. International Journal of Refrigeration,2002, 25: 421-427
[16]  Seiichi Yamaguchi, Daisuke Kato, Kiyoshi Saito, Sunao Kawai. Development and validation of static simulation model for CO2 heat pump[J]. International Journal of Heat and Mass Transfer, 2011, 54: 1896-1906
[17]  Liu Shengchun(刘圣春),Ma Yitai(马一太),Liu Qiuju(刘秋菊).Experiments of CO2 heat pump water heater[J].Journal of Tianjin University(天津大学学报), 2008, 41(2): 238-242
[18]  Chaturvedi S K, Abazeri M. Transient simulation of a capacity-modulated, direct-expansion, solar-assisted heat pump[J]. Solar Energy,1987, 39: 421
[19]  Chaturvedi S K, Roberts A S, Mei V. Solar collector as heat pump evaporator//Proceedings of 13th Intersociety Energy Conversion Conference[C]. Boston, MA, 1979
[20]  Kim Sung Goo, Kim Yoon Jo, Lee Gilbong, et al. The performance of a transcritical CO2 cycle with an internal heat exchanger for hot water heating[J]. International Journal of Refrigeration, 2005(28): 1064-1072

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