%0 Journal Article %T EXPERIMENTAL STUDY OF HEAT TECHNICAL PARAMETERS OF A SHELL AND TUBE HEAT EXCHANGER WITH A SPIRAL COIL %A Kuschev, L.A. %A Uvarov, V.A. %A Kryukov, I.V. %A Brezhnev, D.A. %K heat exchanger, coil, turbulence, heat transfer coefficient, field experiment %J Bulletin of Belgorod State Technological University named after. V. G. Shukhov %D 2023 %N 8 %P 9 %I Belgorod State Technological University named after V.G. Shukhov