TY JOUR TI INVESTIGATION OF THE INFLUENCE OF THE CAPILLARY STRUCTURE OF A THERMOSIPHON ON ITS THERMAL POWER WITH HEAT CARRIERS R134a, R410a, R407c KW heat exchanger KW thermosiphon KW condensation KW evaporation KW maximum heat transfer capacity JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Timofeev, A.V. PY 2023 IS 8 PB Belgorod State Technological University named after V.G. Shukhov