Discrete and Continuous Models and Applied Computational Science

2658-46702658-7149

Peoples' Friendship University of Russia named after Patrice Lumumba (RUDN University)

22196

10.22363/2658-4670-2019-27-1-49-59

Modeling and Simulation

Математическое моделирование

Research Article

Mathematical model of cavitation under the influence of a single stretching pulse

Математическая модель кавитации под воздействием одиночного импульса растяжения

Kravchenko

Nikolay Yu

Кравченко

Николай Юрьевич

Deputy Director of Institute of Physical Research and Technology

kravchenko-nyu@rudn.ru

Kulyabov

Dmitry S

Кулябов

Дмитрий Сергеевич

Doctor of Sciences in Physics and Mathematics, Full Professor, Department of Applied Probability and Informatics

kulyabov-ds@rudn.ru

Peoples’ Friendship University of Russia (RUDN University)Российский университет дружбы народов

15122019

271

VOL 27, NO1 (2019)

ТОМ 27, №1 (2019)

495920112019

2019

Kravchenko N.Y., Kulyabov D.S.

http://creativecommons.org/licenses/by/4.0

https://journals.rudn.ru/miph/article/view/22196

This paper describes the created mathematical model that allows you to explore the dynamics of cavitation bubbles under the influence of a single negative pressure pulse. The time dependence and coordinates of the parameters of the carrier phase, the temperature and pressure of the vapor phase, the concentration and size of the bubbles are determined numerically. It is concluded that the model created gives a good agreement between the calculated and experimental data.

В данной статье описана созданная математическая модель, позволяющая исследовать динамику кавитационных пузырьков под воздействием одиночного импульса отрицательного давления. Временная зависимость и координаты параметров несущей фазы, температуры и давления паровой фазы, концентрации и размера пузырьков определяются численно. Сделан вывод, что созданная модель дает хорошее согласие между расчетными и экспериментальными данными.

numerical simulationcavitationmathematical model of cavitation

численное моделирование, кавитация, математическая модель кавитации

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