衝突水噴流による基板上の微粒子移動と液膜表面形状の予測(流体工学,流体機械)

概要

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The positions of particles that remain on a horizontal substrate under a water impinging jet were measured by using a microscope. Moreover, the conventional equation was modified to predict the position of each particle under a water impinging jet. It was found that the positions of the particles predicted by the modified equation agree well with their measured positions. The onset position of a hydraulic jump on the surface of a flowing liquid film on an inclined substrate was also observed by video camera. Bohr's equation was modified to predict the onset position of this hydraulic jump. Accordingly, it was found that the onset position of the hydraulic jump predicted by the modified Bohr's equation agrees well with the measured onset position. It is therefore concluded that both the above-described modified equation can be used to determine the appropriate water flow rate and jet-nozzle diameter for moving particles on a substrate.
社団法人日本機械学会の論文
2003-01-25