%0 Journal Article %T CALCULATION OF THE HEAT TRANSFER SURFACE OF THE AIR HEAT EXCHANGER USED IN THE PRODUCTION OF METHYL-TET-BUTYL ETHER DEPENDING ON THE ANGLE OF INSTALLATION OF THE FAN BLADES %A Luchko, M.V. %A Fomina, L.V. %K air heat exchanger, constructive, heat transfer, efficiency. %J Bulletin of the Angarsk State Technical University %D 2020 %N 1 %P 5 %I Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»