Wang Lin,Du Zekai,Zheng Zhizhen,et al.Analysis of Oil-Gas Two-Phase Flow and Parameter Influence of Star Herringbone Gearboxes Based on the SPH Method[J].Journal of Mechanical Transmission,2023,47(02):116-123.
Wang Lin,Du Zekai,Zheng Zhizhen,et al.Analysis of Oil-Gas Two-Phase Flow and Parameter Influence of Star Herringbone Gearboxes Based on the SPH Method[J].Journal of Mechanical Transmission,2023,47(02):116-123. DOI: 10.16578/j.issn.1004.2539.2023.02.015.
Analysis of Oil-Gas Two-Phase Flow and Parameter Influence of Star Herringbone Gearboxes Based on the SPH Method
The flow field distribution in the star herringbone gearbox lubricated by oil injection is very complex
and there are many difficulties in the flow simulation analysis. Based on the smooth particle hydrodynamics (SPH) method
the particle simulation model of the flow field in the star herringbone gearbox with oil injection lubrication is established
and the oil-gas two-phase distribution characteristics at different cross-section positions in the gearbox are obtained. The oil-liquid distribution and velocity distribution of flow field under different gear speeds and oil injection speeds are compared and analyzed. The results show that the oil flow field distribution is obviously different at different cross-section positions in the gear shaft direction
the oil flow in the middle cross-section position of the gearbox is the largest
and the local eddy current phenomenon occurs in the area between the solar wheel
planetary wheel and oil injection port. The gear speed and oil injection speed have great influence on the oil distribution in the gearbox.
关键词
星形人字齿轮箱喷油润滑光滑粒子流体动力学方法流场分析
Keywords
Star herringbone gearboxOil injection lubricationSmooth particle hydrodynamicsFlow field analysis
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