回転体表面からの液体の微粒化　Ｉ　　回転体表面の液膜の挙動と液滴生成

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  • Liquid atomization from the surface of a rotating body. 1st Report. Behavior of liquid flow, and drop formation on the rotating body.

説明

An atomization method was proposed for using the surface of a rotating body. The profile of the body was designed on the basis of Tanasawa's empirical equations for a rotating disk. Liquid disintegration on the surface was observed, and the behavior of the liquid film was investigated by measuring the disturbances and thicknesses of liquid film using the Pt-wire probes. At the condition of low flow rate, spiral waves are formed on the surface, and are broken up at the base periphery. Dropwise and filamentwise atomization on the surface of the body is realized in the wide range of flow rate and rotational speed without filmwise disintegration. The profile of the body for effective atomization should be designed to have a curved shape moderately increasing in diameter from the top, but without small radius of curvature.

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