A. M. Pilipenko, V. N. Biryukov

R.R. Fakhrutdinov - Design Engineer, Omsk State Technical University. E-mail: nopr_11@mail.ru K.V. Murasov - Ph.D. (Eng.), Junior Research Scientist, Omsk State Technical University. E-mail: murasov_k@yahoo.com R.A. Wolf - Junior Research Scientist, Omsk State Technical University. E-mail: 1986wolf@gmail.com S.A. Zavyalov - Ph.D. (Eng.), Associate Professor, Omsk State Technical University. E-mail: zavyalov62@mail.ru A.N. Lepetaev - Ph.D. (Eng.), Associate Professor, Omsk State Technical University. E-mail: lan@inbox.ru