TY JOUR TI DEVELOPMENT OF A LABORATORY UNIT FOR HYDRODYNAMIC STUDIES OF A FLAT-BLADE IMPELLER OF A HEAT EXCHANGER KW impeller KW rotation of the tube KW the intensification of heat transfer. JO Bulletin of the Angarsk State Technical University AU Kustov, B.O. AU Kustova, N.M. AU Bal'chugov, A.V. PY 2019 IS 1 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»