TY JOUR TI EFFECT OF OIL ON HEAT TRANSFER OF MIXED REFRIGERANT BOILING IN EVAPORATOR TUBES IN REFRIGERATION MACNINES KW heat transfer KW hydrodynamics KW refrigerant KW oil KW boiling KW two-phase flow KW freon oil foam JO Vestnik of Astrakhan State Technical University. Series: Marine engineering and technologies AU Ezhov, A.. AU Ivanov, S.. AU Bukin, A.. AU Bukin, V.. PY 2019 IS PB Astrakhan State Technical University