124 電動機内部からの空力騒音の検討その3(空力騒音(2))
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概要
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Last time, we reported the applicability of the simulation using the fluid sound analysis based on comparison of the simulation result with the measured result of the noise of actual traction motor. (hereafter referred to as device) And we reported that the simulation result has approached the measured result of the noise of the device by optimizing the noise source condition. Now we can design an optimum device without manufacturing, based on estimation of the noise generation status inside the device by the simulation using the fluid sound analysis. This time, because of changing cooling fan's shape and simulated it newly based on this method, we report the results of them.
- 一般社団法人日本機械学会の論文
- 2010-06-26
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- 124 電動機内部からの空力騒音の検討その3(空力騒音(2))