A Numerical and Experimental Study of Bubble Deformation on the Surface in a Shear Flow of Viscous Liquid


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An experimental and numerical approach for studying the bubble deformation on the surface in the shear flow of viscous liquid is developed. The numerical approach is based on the boundary element method for the Stokes flows. The methods of optical microscopy and high-speed recording are applied for the experimental investigation of the bubble deformation. The dynamics of the variation in the receding and advancing contact angles is studied in dependence on the intensity of the shear flow of viscous liquid. A qualitative and quantitative agreement between the numerical modeling and experimental results for various capillary numbers is obtained.

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Yu. Pityuk

Center for Micro- and Nanoscale Dynamics of Dispersed Systems, Bashkir State University

编辑信件的主要联系方式.
Email: pityukyulia@gmail.com
俄罗斯联邦, Ufa, 450076

S. Sametov

Center for Micro- and Nanoscale Dynamics of Dispersed Systems, Bashkir State University

Email: pityukyulia@gmail.com
俄罗斯联邦, Ufa, 450076

A. Mullayanov

Center for Micro- and Nanoscale Dynamics of Dispersed Systems, Bashkir State University

Email: pityukyulia@gmail.com
俄罗斯联邦, Ufa, 450076

O. Abramova

Center for Micro- and Nanoscale Dynamics of Dispersed Systems, Bashkir State University

Email: pityukyulia@gmail.com
俄罗斯联邦, Ufa, 450076

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