王祥,刘颖,王芳,李国云,邬志敏
WANG Xiang,LIU Ying,WANG Fang,LI Guo-yun,WU Zhi-min (University of Shanghai for Science and Technology

• 1:上海理工大学

摘要(Abstract)：

采用FLUNT耦合显示求解器,对一个采用R417A工质的热泵热水器蓄热水箱内的速度场、温度场及热流密度分布进行了数值模拟,得出水箱内水温随机组运行时间的变化及各阶段水箱内温度场及速度场的整体分布情况,对产生水温明显分层和涡流等现象的原因进行了分析。结果显示,温度场与速度场相互耦合能促进水温分布的均匀性。通过试验验证了数值模拟结果的正确性,并提出蓄热水箱优化设计的建议。
The distribution of the velocity pattern,temperature field and heat flow density of a storage water tank of heat pump water heater using R417A were simulated with FLUNT.The temperature changing with the running time and the distribution of velocity pattern,temperature field for each stage were given,while the phenomena of the thermal stratification and vortex were analyzed.It is shown that the coupling of temperature field with velocity field could promote the uniformity of the temperature distribution.The validity of numerical simulation was verified by the experimental study and the suggestion of optimum design was given.

关键词(KeyWords)： R417A;热泵热水器;蓄热水箱;工质替代;仿真;优化设计
R417A;heat pump water heater;storage water tank;refrigerant substitution;emulation;optimum design

Abstract:

Keywords:

基金项目(Foundation): 上海市重点学科建设资助项目(S30503)

作者(Author): 王祥,刘颖,王芳,李国云,邬志敏
WANG Xiang,LIU Ying,WANG Fang,LI Guo-yun,WU Zhi-min (University of Shanghai for Science and Technology

参考文献(References)：

• [1]董天禄.世界各国空气源热泵近期市场发展概况[J],制冷技术,2008,2:36-39.
• [2]Hiller CC,Lowenstein AI,Merriam RL.Detailed waterheating simulation model[J].ASHRAE Trans.1994,100(1).948-954.
• [3]Shuangquan Shao,Wenxing Shi,Xianting Li,et.A newinverter heat pump operated all year round with domes-tic hot water[J].Energy Conversion and Management2001,45:2255-2268.
• [4]Minsung kim.Transient thermal behavior of a watersystem driven a beat pump[J].Intemational Journal ofRefrigeration,June,2004:415-421.
• [5]Rejane De Cesaro Oliveski,Arno Krenzinger,HoracioA.Vielmo.Comparison between models for the simula-tion of hot water storage tanks[J].Solar Energy,2003,75:121-134.
• [6]Necdet Altuntop,Mevlut Arslan,Veysel Ozceyhan,et.ac.Effect of obstacles on thermal strati?cation in hotwater storage tanks[J].Applied Thermal Engineering,2005,25:2285-2298.
• [7]陈振豪.空气源热泵热水器季节性能实验及优化运行研究[J].能源技术,2005,26(3):117-119.
• [8]陈振豪.空气源热泵热水器性能研究及其控制装置开发[D],上海交通大学,2005.
• [9]马一太,孙方田.中高温空气源热泵热水器的工质优选[J].热科学与技术,2006,5(2):168-173.