流体工学部門講演会講演論文集
Online ISSN : 2424-2896
セッションID: OS03-22
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電動アクチュエーターを用いた呼吸を模した往復流の生成
*山岸 真幸倉井 駿大郎
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A device that reproduces breathing was created. This device was composed of an electric actuator and an air cylinder. The change and distribution of flow velocity at the nozzle outlet under the flow rate and period conditions of human breathing at rest were investigated. As a result, it was found that the flow direction changes between discharging and suctioning, and that the flow velocity during suctioning is slower than the flow velocity during discharging. The shape of the velocity distribution was almost the same as that of a circular jet. The velocity waveform during discharging was almost the same as that was observed the row of puff in an intermittent jet. It was suggested, therefore, that a leading vortex and a trailing jet are formed when the flow was discharging.

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