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