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TsAGI Science Journal

ISSN 印刷: 1948-2590
ISSN オンライン: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.2018025103
pages 399-416

USING THE DISCONTINUOUS GALERKIN METHOD FOR SOLVING A SYSTEM OF EQUATIONS OF THE DYNAMICS OF WATER DROPLETS IN AN AIR FLOW

Andrey Viktorovich Wolkov
Central Aerohydrodynamic Institute (TsAGI), 1 Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russian Federation
De Tai Duong
Moscow Institute of Physics and Technology, 9 Institutskiy Per., Dolgoprudny, Moscow Region, 141700, Russian Federation

要約

The paper presents a system of equations that describe the dynamics of water droplets suspended in an air flow and a method for solving this system. The numerical method is based on a finite element method, namely, the high-accuracy Galerkin method with discontinuous basis functions. Examples of computations of an air flow containing water droplets around a semi-cylinder and a hemisphere are given. The capture coefficient of suspended droplets incident on critically important surface areas is estimated. The computed results are compared with experimental data. The efficiency of the proposed approach is compared with available solutions.


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