A.V. Zhuravlev - Ph. D. (Eng.), Senior Research Scientist, Main Designer - Deputy General Director, JSC «SPE «PROTEK» (Voronezh) E-mail: protek@protek-vrn.ru V.M. Bezmaga - Ph. D. (Eng.), Senior Research Scientist, Leading Research Scientist, JSC «SPE «PROTEK» (Voronezh) E-mail: protek@protek-vrn.ru A.V. Smolin - Deputy Head of Department, JSC «SPE «PROTEK» (Voronezh) E-mail: smolinalexe@yandex.ru

O.V. Semyonova1, S.N. Zamuruev2, V.O. Skripachev3

1–3 MIREA – Russian University of Technology (Moscow, Russia)

1 semyonova@mirea.ru, 2 zamuruev@mirea.ru, 3 skripachev@mirea.ru