V.V. Sorochan - Ph. D. (Phys.-Math.), Kaluga branch of the Bauman MSTU. E-mail: vsorochan@mail.ru A.A. Denisevich - Student, Kaluga branch of the Bauman MSTU Aung Phyo - Post-graduate Student, Kaluga branch of the Bauman MSTU

A.V. Vyngra1, S.G. Chernyi2, M.S. Moiseenko3, E.I. Leiman4, I.D. Lupkin5, I.S. Moiseev6

1,2,4 Kherson State Technical University (Henichesk, Russia)

3,5,6 Saint Petersburg State Marine Technical University (St. Petersburg, Russia)

1elag1995@gmail.com, 2sergiiblack@gmail.com, 4jekal2014@yandex.ru