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Minimum thickness of a flowing down liquid film on a vertical surface

机译:垂直表面上向下流动的液膜的最小厚度

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摘要

The minimum total energy (MTE) criteria for determining the minimum wetting rate and the minimum thickness of an isothermal, thin liquid film flowing down a vertical adiabatic surface are examined. An analytical expression of the profile of a stable liquid rivulet and of the two-dimensional velocity distribution in the rivulet developed using the Ritz method are incorporated into the MTE criterion to improve its predictions of the minimum wetting rate (MWR) and the corresponding minimum liquid film thickness (MLFT).
机译:检查了用于确定从垂直绝热表面流下来的等温,薄液膜的最小润湿速率和最小厚度的最小总能量(MTE)标准。 MTE标准中结合了使用Ritz方法开发的稳定液体小溪的轮廓和小溪中二维速度分布的解析表达式,以改善其对最小润湿率(MWR)和相应最小液体的预测膜厚(MLFT)。

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