Numerical Simulation of a Sessile Bubble beneath a Horizontal Solid Wall in Liquid.
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This paper presents a numerical method to predict the shape and size of a sessile bubble beneath a horizontal solid wall in liquid. A set of mathematical equations describing the interface of a gas bubble with the surrounding liquid is derived by considering the effects of gravity, surface tension and contact angle with the solid wall. The method is applied to the numerical simulation of an air bubble in silicone oil. The results of computation show good agreement with the experimental ones for a real bubble; thus, the present method is shown to be valid. Numerical simulations reveal that the shape of a sessile bubble in liquid is dependent on its size and the temperature has a great effect on bubble size. With the increase in circumference temperature, the mean diameter of the bubble increases, but its shape remains almost the same.
- 公益社団法人 応用物理学会の論文
公益社団法人 応用物理学会 | 論文
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