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《Acta Armamentarii》 2007-01
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A Computation Method for Thermal Field of Permanent Magnet Retarder in Automobile

HE Ren,ZHAO Wan-zhong,HU Qing-xun(School of Automobile and Traffic Engineering,Jiangsu University,Zhenjiang 212013,Jiangsu,China)  
A physical model based on the construct and operating principle of permanent magnet retarder for analyzing the non-stationary thermal field of retarder rotor in automobile was established,and the boundary conditions were defined.A formula of the non-stationary thermal field was derived using the Laplace transformation.At last,a bench test was performed.It is found that the testing data is coincident with the analytical one.The non-stationary thermal field can be analyzed and an exact relation can be reflected by this formula.The rotor can be optimized and the temperature rise of the rotor can be decreased,so the brake performance stability can be improved by this research.
【Fund】: 江苏省科技攻关项目“紧凑节能型永磁缓速器开发及产业化”(BE2006110)
【CateGory Index】: U463.5
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Chinese Journal Full-text Database 1 Hits
1 Zhu Ning et al;Vehicle Retarders of Light Permanent Magnet[J];Bus Technology and Research;2002-04
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7 LI Fuguo, CAI Jun, GENG Jian (School of Materials Science and Engineering, Northwestern Polytechnical University, Xi'an 710072, Shanxi China);Analysis of Thermal Load for Die Cavity Surface[J];China Metal Forming Equipment & Manufacturing Technology;2007-01
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10 LIU Jun1,ZHAO Chuang1,XIE Wen-lei1,ZANG Zhi-cheng2,HU Jian-wen2,ZHOU Xin-ping2(1.School of Automobile and Traffic Engineering,Jiangsu University,Zhenjiang 212013,China; 2.Car Equipment Manufacture of Wuxi Kailong Corporation,Wuxi 214177,China);Design for new-style and hot-water car heater and research on its heat transfer performance[J];Journal of Engineering Design;2008-01
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