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Efficient and silent cooling of electric drives - basics, measurement techniques and computational approaches

机译:电力驱动器的高效和静音冷却 - 基础知识,测量技术和计算方法

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This paper will provide an overview of different mechanisms of sound generation and present important measurement and computational techniques for the determination of the flow and acoustic field in electric drive systems. Two basic phenomena of sound generation can be distinguished: flow-induced sound created by unsteady flow fields, and vibrational sound due to moving surfaces. Besides these basic mechanisms, complex interactions of both are possible.
机译:本文将提供不同机制的声音产生机制,并提供了用于确定电驱动系统中的流动和声场的重要测量和计算技术。可以区分声音产生的两个基本现象:由非定常流场产生的流动引起的声音,并且由于移动表面而产生的振动声音。除了这些基本机制外,两者都是可以的复杂相互作用。

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