212 振動時の自動車モデル上の圧力変動(2)(OS2-3 壁乱流の計測と制御,OS2壁乱流の計測と制御)

概要

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The relation between pressure distribution on the rear deck of vibrating vehicle and the vehicle shape is not clarified. To clarify the relation, two vehicle models were used in experiments. One is easy to entrain side flow to the rear deck, another is difficult to do so. Pressure fluctuation on the rear deck was measured with the pressure sensor. The models were pushed up sinusoidally. In the model easy to entrain side flow, the pressure fluctuation on the rear deck was small. The pressure fluctuation on the rear deck center was correlated inversely well with the model height. On the other hand, in the difficult model, the pressure fluctuation was large. It on the rear deck center was slightly correlated inversely with the model height. The model easy to entrain side flow is less stable when the model is vibrated.
一般社団法人日本機械学会の論文
2007-11-17