Spread of Fluid Drops over a Horizontal Plane
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概要
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An asymptotic expansion procedure is presented for determining the two dimensional fluid motion of viscous thin films on a horizontal plane in the presence of gravity. The film surface height satisfies to the first order the nonlinear diffusion equation whose variable diffusion coefficient is proportional to the cube of the concentration. When this equation is applied to the fluid film of finite dimension, it has a similarity expressed in terms of an elementary function. The deformation of the fluid drops and their spread over the horizontal plane are asymptotically represented by the similarity solution. A similar procedure is available for the axisymmetric motion of the thin films. The results are compared with the two dimensional case.
- 社団法人日本物理学会の論文
- 1974-08-15
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