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3-D procedure to trace the air path inside a flux reversal generator for mechanical characterization

机译:3-D程序可追踪磁通反向发生器内部的空气路径,以进行机械表征

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摘要

The knowledge about the air velocity distribution inside electric machines is useful in undertaking various analyses. For instance, thermal analysis is fine tuned and a more realistic thermal simulation is made possible, when the air velocity distribution assisted thermal analysis is carried out. Quantities such as windage losses and life span of insulators are effectively calculated when attempted via air velocity inside machines. The design of cooling system also becomes more perfect if the nature of the circulating air in a machine is pictured. In this focus, this paper attempts to document the air velocity distribution in a flux reversal generator. A 3-dimensional computational fluid dynamic analysis is used for this purpose. The profile of the turbulently circulating air inside the machine is captured. The air friction losses are thus calculated. Finally, the convection coefficient in various inner parts of the machine is predicted and the same can be used for a thorough thermal analysis.
机译:有关电机内部空气速度分布的知识对于进行各种分析很有用。例如,当进行空气速度分布辅助的热分析时,可以对热分析进行微调,并可以进行更逼真的热模拟。尝试通过机器内部的空气速度有效地计算出诸如风阻损失和绝缘子寿命之类的数量。如果描绘出机器中循环空气的性质,冷却系统的设计也将变得更加完美。在此重点中,本文试图记录通量反转发生器中的空气速度分布。为此使用了三维计算流体动力学分析。捕获机器内部湍流循环空气的轮廓。由此计算出空气摩擦损失。最后,可以预测机器内部各个部分的对流系数,并且可以将其用于彻底的热分析。

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