| 高速永磁电机定转子小间隙三维流场计算 |
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| 引用本文： | 李维,程文杰,贾修建,肖玲,樊红卫,孙岩桦.高速永磁电机定转子小间隙三维流场计算[J].航空动力学报,2017,44(12):94-99. |
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| 作者姓名： | 李维 程文杰 贾修建 肖玲 樊红卫 孙岩桦 |
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| 作者单位： | 西安科技大学 理学院,陕西 西安710054,西安科技大学 理学院,陕西 西安710054,中航光电科技股份有限公司,河南 洛阳471003,西安科技大学 理学院,陕西 西安710054,西安科技大学 机械学院,陕西 西安 710054,机械结构强度与振动国家重点实验室西安交通大学,陕西 西安710049 |
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| 基金项目： | 国家自然科学基金项目(51605380,11502196,51275386,51175411,51705413);973计划“先进重型燃气轮机制造基础研究”项目(2013CB035705)；中国博士后资助项目(2015M580865,2016M602842,2017M613291XB)；陕西省教育厅资助项目(15JK1483)；2016年陕西省大学生创新创业训练计划项目(201610704047) |
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| 摘 要： | 为了考察高速、超高速下这种“定转子环形间隙+定子槽”并联冷却结构的流场特性,针对一台额定转速120 000 r/min的超高速永磁电机,采用计算流体动力学方法对定转子小间隙三维流场进行了研究,分别考虑了定子槽、轴向冷却流,以及转速对电机定转子小间隙流场的影响。结果表明:定子开槽后,原先存在于定转子环形间隙内的泰勒涡消失了,另外高转速、轴向流加强了环形间隙区气流与定子槽区气流的混合程度。研究结果为高速永磁电机转子热设计提供了重要参考依据。
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| 关 键 词： | 永磁电机 流场 定转子小间隙 轴向流 泰勒涡 |
Calculation of 3D Fluid Fields in the Statorrotor Narrow Gapof the High Speed Permanent Magnet Motor |
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| LI Wei,CHENG Wenjie,JIA Xiujian,XIAO Ling,FAN Hongwei and SUN Yanhua.Calculation of 3D Fluid Fields in the Statorrotor Narrow Gapof the High Speed Permanent Magnet Motor[J].Journal of Aerospace Power,2017,44(12):94-99. |
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| Authors: | LI Wei CHENG Wenjie JIA Xiujian XIAO Ling FAN Hongwei and SUN Yanhua |
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| Abstract: | In order to explore the flow characteristics of the cooling structure (statorrotor ring gap+stator slots) under the ultrahigh speed, taken a rated speed 120 000 r/min ultrahigh speed PM motor as an example, and studies 3D fluid fields in the statorrotor narrow gap by computational fluid dynamics method with considering the influences of stator slots, axial flow and rotational speed on the flow field. It showed that taylor vortexs in the statorrotor ring gap will disappear for the slotting stator. Furthermore, a high rotational speed and axial flow will enhance the mixing degree of the air in the statorrotor ring gap and the air in the stator slot. The resulted provides a significant reference for the thermal design of rotor of the high speed PM motor. |
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| Keywords: | permanent magnet motor fluid field statorrotor narrow gap axial air flow taylor vortex |
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