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Thermophysics and Aeromechanics

2011 year, number 3

Numerical simulation of wave formation in the falling liquid films

A.N. Pavlenko, A.N. Pavlenko
Kutateladze Institute of Thermophysics SB RAS; Novosibirsk State University
Keywords: hydrodynamics, wave formation, liquid films, numerical simulation
Pages: 425-431


The process of wave formation in the falling films of liquid nitrogen was simulated numerically in the framework of the hydrodynamic model of Kapitsa ⎯ Shkadov. The typical wave characteristics were calculated for different inlet Reynolds numbers. The effect of parameters of small initial perturbations on wave formation was studied. Satisfactory agreement of numerical simulation results and experimental data is shown.