Research of Turbulence Model Parameters Correction for Oil Flow of Pipeline

doi:10.16182/j.issn1004731x.joss.201805006

Abstract

Abstract: Because of the limitation of the parameters in the Realizable k-ε two equations model, the model is no longer suitable to simulate the pressure loss of the turbulent oil flow of pipelines. A mathematical model of the oil flow of pipeline is built, and the Realizable k-ε model default parameters are modified according to the test results of YH-15 aviation hydraulic oil to obtain new parameters used to simulate the pressure loss in other conditions. Compared to the model with default parameters, numerical simulations and experimental results show that the maximum relative error is reduced to 3.15% from 7.76% when the new parameters is used. This research can provide a theoretical basis for the prediction of the turbulent oil flow of hydraulic lines on aeronautical engineering.

Key words: hydraulic fluids, turbulence models, tube flow, numerical simulation, parameters correction

CLC Number:

V317.2

Wang Jisen, Jia Qian, Chen Chen, Zhang Yaping, Du Jiang. Research of Turbulence Model Parameters Correction for Oil Flow of Pipeline[J]. Journal of System Simulation, 2018, 30(5): 1665-1671.

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