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2018/3
Simulation of real fluid flow in centrifugal nozzle
Technical sciences

Authors: Vladimir V. MULENKO graduated from Gubkin Moscow Institute of Petrochemical and Gas Industry in 1980. He is Candidate of Technical Sciences. Аssociate Рrofessor of the Department of Machines and Equipment for Oil and Gas Industry, at Gubkin Russian State University (National Research University) of Oil and Gas. His scientific interests are computer simulation and computer aided design. He is author of 30 scientific publications. E-mail: vmulenko@mail.ru
Alexander I. KHODYREV graduated from Gubkin Moscow Institute of Petrochemical and Gas Industry in 1980. He is Doctor of Technical Sciences. Рrofessor of the Department of Machines and Equipment for Oil and Gas Industry, at Gubkin Russian State University (National Research University) of Oil and Gas. He is specialist in the equipment for liquid injection in the implementation of various technologies. Author of 100 scientific publications. E-mail: aihod@mail.ru

Abstract: The paper discusses calculation methodologies based on using maximum flow principle for centrifugal nozzles, and analyzes both their advantages and disadvantages. Basing on fundamental physical dependencies a mathematical model of viscous fluid flowing through atomizer of centrifugal nozzle is described. The results of research of the influence of atomizer geometry, surface roughness and fluid viscosity on nozzle characteristics are demonstrated. It is also shown that the developed mathematical model for fine spray nozzles calculation allows to obtain the results that agree well to the data of the bench test carried out with water and viscous fluid (till 30 cPz)

Index UDK: 66.069.83

Keywords: centrifugal nozzle, fluid atomization, atomizer, viscous fluid, flow coefficient, calculation, modeling

Bibliography:
1. Abramovich G.N. Theory of centrifugal nozzle. Promyshlennaya aerodynamica [Industrial Aerodynamics]. Moscow, BIT of TSAGI, 1944, p. 84-88 (in Russian).
2. Ditjakin Ju.F., Kljachko L.A., Novikov B.V., Jagodkin V.I. Atomization of liquids. Moscow, Mashinostroenie, 1977, 208 p. (in Russian).
3. Borodin V.A., Ditjakin Ju.F., Kljachko L.A., Jagodkin V.I. Atomization of liquids. Moscow, Mashinostroenie, 1967, 263 p. (in Russian).
4. Pazhi D.G., Galustov B.C. Atomizers for a fluid. Moscow, Himija, 1979, 216 p. (in Russian).
5. Khavkin Y.I. Centrifugal nozzles. Leningrad, Mashinostroenie, 1976, 168 p. (In Russian).
6. Khodyrev A.I., Mulenko V.V. Aerosol application of the inhibitor film in the gas pipelines of small diameter. Gazovaya promyshlennost [Gas Industry], 1995, no. 11, p. 18-19 (in Russian).
7. Khodyrev A.I. The development and effective use of the equipment for inhibitor protection of gas pipelines from hydrogen sulfide corrosion. [Territorija NEFTEGAZ], 2010, no. 3, p. 40-52 (in Russian).
8. Mulenko V.V. Razrabotka i issledovanie tsentrobejnykh forsunok dlya aerozolnogo ingibirovaniya gazoprovodov. Doct. Diss. [Development and research of centrifugal nozzles for aerosol inhibition of gas pipelines. Doct. Diss.], Moscow, 2005, 198 p. (In Russian).
9. Altshul A.D. Hydraulic resistance. Moscow, Nedra, 1982, 224 p. (In Russian).
10. Khodyrev A.I. The methodology for calculating parameters of centrifugal nozzles for oil and gas facilities. [Neft, Gaz i Bizness  Oil, Gas and Business], 2005, no. 6, p. 57-60 (in Russian).
11. Khodyrev A.I., Khodyrev D.A., Blokhina M.G. About the Distribution of the Droplets by Size in Spectrum Atomizing Liquids by Centrifugal Atomizer. Trudy RGU nefti i gaza imeni I.M. Gubkina [Proc. of the Gubkin State University of Oil and Gaz], 2017. no. 4, p. 101-113 (in Russian).
12. Khodyrev A.I., Mulenko V.V. Laboratory reseach of corrosion inhibitors atomization by various temperature. Tezisy docladov 2 Mezhdynarodnogo Congressa «Zaschita-95» [Abstracts The Second International Congress «Protection-95»], Мoscow, 20-24 November 1995, p. 130-131 (in Russian).