20609 狭窄部のあるゴム管路系の流体振動(OS6 非線形振動・カオス振動(2),オーガナイズドセッション)

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概要

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• The soft tube like rubber one is easily transformed by the external force of the fluid pressure as well as the spring force. According to the change of the cross section, the vibrations of the fluid flow are sometimes excited. In our study the rubber tube is squeezed solidly over a few millimeters width like an orifice. Under the given supply pressure, there is a maximum point on the flow rate, dependent on the downstream pressure. In the region of positive dQ/dP, the flow vibrations are excited, mostly, downstream of the squeezed portion in the tube. The frequency is close to the natural one of the tube, with the one end open, and the other end closed The characteristics of the flow rate, the variation propagation, and the excitation conditions are explained.

• 2010-03-09

著者

• 齋藤 孝基

  東大工

• 齋藤 静雄

  東大工

関連論文

• 20609 狭窄部のあるゴム管路系の流体振動(OS6 非線形振動・カオス振動(2),オーガナイズドセッション)

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