TY JOUR TI THE ECONOMIC ASPECT OF THE SCALE-FORMING DIGNOSTICS LAYERS IN PLATE HEAT EXCHANGERS KW heat pump unit KW transformation ratio KW heat and mass transfer KW energy efficiency KW evaporation unit KW magnetostrictive emitter JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Il'ina, T.N. AU Orlov, P.A. AU Savvin, N.Y. AU Elistratova, Y.V. PY 2024 IS 9 PB Belgorod State Technological University named after V.G. Shukhov