ブレードコーティングの際に塗工剤がブレードに及ぼす圧力 : 数値解および拡張されたMoffattの解を用いた考察

概要

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The corner flow which runs between a rigid boundary and a free surface is examined analytically, in order to investigate the pressure distribution due to the flow induced by blade coating. The method of the solution is to extend Moffatt's solution by taking tension and curvature of the free surface into account. A new equation which describes the free surface meniscus is also obtained. The extended solution is applied to the flow in the vicinity of the blade edge and the results are compared with those of a numerical solution. They are in good agreement with each other around the blade edge, where both of them are valid. In this paper, it is shown that patterns of the pressure distribution on the free surface and the blade can be divided into four categories. Finally, the conditions to keep the blade edge pressure non-singular are given.
一般社団法人日本機械学会の論文
1998-09-25