INFLUENCES OF THE STORED WATER EFFECT, THERMAL DISPERSION EFFECT, AND NON-ADIABATIC CONDITION ON THE PERFORMANCE OF AN ACTIVE MAGNETIC REGENERATOR
Active magnetic regenerator, AMR, is a key component in the room temperature magnetic refrigerator, whose performance prediction is significant to the optimum design of the magnetic refrigeration system. In this paper, the heat transfer theory of porous media is incorporated in the basic model of AMR, and a relatively complete model of AMR is developed. The new terms added are analyzed quantitatively. The simulation results indicate that the effect of stored water has a great influence on the temperature of AMR. The effect of stored water may decrease the changing rate of the temperature and arouse a shift of the flow rate with maximal capacity. Combined the effect of heat transfer between the solid and the fluid phase, about 75％ degradation of the temperature change happened during the magnetization process. Furthermore, the existence of the thermal dispersion could result in a tiny decrease of the refrigeration capacity.
Qiang GAO B.F.YU D.X.YANG Y.ZHANG
School of Energy and Power Engineering, Xi’an Jiaotong University, 710049, Xi’an, China
国际会议
The 22nd International Congress of Refrigeration(第22届国际制冷大会)
北京
英文
2007-08-21（万方平台首次上网日期，不代表论文的发表时间）