Dudar Oleg Iosifovich Russia Perm State National Research Polytechnical University, Russia, 614990, Perm, Komsomolskii av., 29 docent Candidate of physico-mathematical sciencesolegdudar@yandex.ru Author's articles The heat conductivity in the infinite solid of the convection in a cylindrical cavity Determination of the Wall Temperature Change for a Cavity in a Solid as a Result of the Temperature Change of the Gas Flow in a Cavity
