%0 Journal Article %T THERMAL IMAGING STUDIES OF THE ORIGINAL HEAT EXCHANGER PLATE %A Kuschev, L.A. %A Savvin, N.Y. %K plate heat exchanger, heat transfer coefficient, thermal imager, turbulization, spherical recesses %J Bulletin of Belgorod State Technological University named after. V. G. Shukhov %D 2021 %N 6 %P 7 %I Belgorod State Technological University named after V.G. Shukhov