静電気力によるインク薄層の変形と輸送 : スイッチング電圧の低電圧化について(流体工学,流体機械)

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In order to evaluate the possibilities for realizing a new printing system, in this study, we have proposed a new numerical analysis method that forms a relationship between an electric field and a flow field that includes a free surface. This analysis method is applied to the flow field of a water-based ink layer that has a free surface, which is greatly deformed by electrostatic force. Fundamental experiment was also conducted to judge the validity of the numerical analysis method. The following conclusions can be drawn from the results of this study. (1) Ink was deformed and transported to the paper by electrostatic force both in the numerical analysis and the experiment. (2) The effects of the initial shape of the free surface on the characteristic of ink transportation can be predicted by the numerical analysis. (3) The effects of viscosity and surface tension of ink on the characteristic of ink transportation can be predicted. (4) These experiments indicated no clear effects of applied voltage on the ink transport time, but the numerical analysis indicated an effect that was considered pertinent. (5) It was clarified that it was possible to control ink transport time by adjusting ink viscosity, surface tension, externally applied voltage and the shape of the initial ink surface. (6) By a creativity of a bias voltage, a shape of projection tip and ink properties, it got obvious that it is possible to reduce a switching voltage.
社団法人日本機械学会の論文
2002-02-25

静電気力によるインク薄層の変形と輸送 : スイッチング電圧の低電圧化について(流体工学,流体機械)

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