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Numerical Simulation and Flow Characteristic Analysis of Labyrinth Control Valve

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Technological Advancement in Mechanical and Automotive Engineering (ICMER 2021)

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Abstract

For the labyrinth trap regulating valve, combined with the principle of multistage step-down principle, the boundary conditions are set according to the actual working conditions. The k − ε turbulent model is used to simulate the internal flow field of the labyrinth valve, and the influence of valve opening on the flow field is studied. According to the relevant design theory of labyrinth disk, the flow resistance coefficient and flow coefficient under different valve openings are calculated, and the flow characteristic curve is fitted and compared with the ideal curve. The results show that the flow resistance coefficient decreases linearly with the increase of opening. And the change of opening has little effect on the average velocity of the flow field. The research results provide an important reference for the design of labyrinth valve.

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Acknowledgements

The authors gratefully acknowledge research support from the National Key R&D Program (2018YFB2004000), the Ningxia Youth Top Talent Project (2020), the Ningxia Autonomous Region Science and Technology Research (Support) Project (Key Technologies of High-end Valve Structural Optimization and Erosion Performance Research), the Ningxia Key Research and Development Project of China (Western Light,2017).

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Correspondence to G. Wang .

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Wang, G. et al. (2023). Numerical Simulation and Flow Characteristic Analysis of Labyrinth Control Valve. In: Ismail, M.Y., Mohd Sani, M.S., Kumarasamy, S., Hamidi, M.A., Shaari, M.S. (eds) Technological Advancement in Mechanical and Automotive Engineering. ICMER 2021. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-19-1457-7_57

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  • DOI: https://doi.org/10.1007/978-981-19-1457-7_57

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  • Publisher Name: Springer, Singapore

  • Print ISBN: 978-981-19-1456-0

  • Online ISBN: 978-981-19-1457-7

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