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Information × Registration Number 0211U004204, 0109U000417 , R & D reports Title To probe and create heat-mass-transfer small capacity- and safe systems for the economy industries energy consumption units. popup.stage_title Head Prytula Valeriy Vasyliovych, Registration Date 31-01-2011 Organization The Odesse state acasemy of refrigeration popup.description2 The object of study: Elements of air-cooled, evaporative systems of refrigeration machines and installa-tions. Methods: Numerical Analysis; total thermal modeling for stationary heat flow. Systems for air-cooling technology production flow were established. Based on the rationalization of systems dry cooling tower was manufactured, which is installed at the plant in the region. An analytical review of studies in the direction of heat transfer during boiling of refrigerants in horizontal tubes was made. It was proved that the reduction of refrigeration system refrigerant capacity can be achieved using evaporative elements of the tube and rod with a spiral track. In these elements take place an intensification of heat transfer due to turbulence of refrigerant flow. The study of evaporative elements was created on the basis of three sizes of copper pipe: diameter 15h1, 5; 18h1, 5, 25x1, 5 mm at boiling Freon 22 under conditions close to real. Investigations were carried out at boiling temperatures from -35 to 5 ? C. The research results are given as plots of heat transfer coefficient, correlation coefficients of heat transfer tubes with stem and without stem from the specific heat flux. Scope: Elements of cooling systems of air cooling and refrigerating machines and installations. Product Description popup.authors Гоголь Микола Іванович Коваль-Гук Юрій Борисович Кологривов Михайло Михайлович Матвеєва Людмила Вікторовна Михайленко Андрій анатолійович Прокопьєва Ніна В'ячеславівна Русов Євген Христофорович Стоянов Павло Фоміч Чепурненко Віктор Павлович popup.nrat_date 2020-04-02 Close