Mathematical simulation of gravitational liquid film flow on a vertical surface with fins
Authors
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O.B. Butusov
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Ya.M. Zhileikin
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O.P. Nikifiorova
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A.B. Kukarkin
Keywords:
mathematical simulation
film flow
Reynolds criterion
Poisson equation
Galerkin’s method
Abstract
The process of liquid film flow on a vertical surface with fins is simulated; we consider the case of two-dimensional laminar steady flow. A boundary value problem for the flow equation is solved numerically by Galerkin’s method, which allows us to find the values that characterize the flow: the flow rate, the average flow velocity, the density of irrigation, and the Reynolds criterion. The formulas for the average thickness of the film are obtained.
Section
Section 1. Numerical methods and applications
References
- Nusselt W. Die Oberflächen Kondensation des Wasserclampfes // Zeitschrift des Vereines Deutscher Ingenieure. 1916. 60, N 27. 541-546.
- Воронцов Е.Г., Тананайко Ю.М. Теплообмен в жидкостных пленках. Киев: Технiка, 1972.
- Канторович Л.В., Крылов В.И. Приближенные методы высшего анализа. М.-Л.: Физматгиз, 1962.
- Бахвалов Н.С., Жидков Н.П., Кобельков Г.М. Численные методы. М.: Наука, 1987.