TY JOUR TI OPERATING COSTS FOR A RECUPERATIVE HEAT EXCHANGER KW operating costs KW heat exchanger KW heat transfer KW heat carrier speed KW hydraulic resistance. JO Modern Technologies and Scientific and Technological Progress AU Scherbin, S.A. AU Glotov, A.A. PY 2020 IS 2020 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»