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CFD-DEM Simulation for the Distribution and Motion Feature of Solid Particles in Single-Channel Pump

Author

Listed:
  • Cheng Tang

    (Graduate School of Mechanical Engineering, Sungkyunkwan University, Suwon 16419, Korea)

  • Youn-Jea Kim

    (School of Mechanical Engineering, Sungkyunkwan University, Suwon 16419, Korea)

Abstract

Since various foreign bodies can cause clogging and wear in single-channel pumps, considerable attention has been focused on the numerical study of solid-liquid flows in the single-channel pump. However, conventional numerical simulation cannot responsibly assess the significant effect of the particle material properties, inter-particle collision, and size on the pump. In consideration of the particle features and behaviors, the Computational Fluid Dynamics (CFD)-Discrete Element Method (DEM) coupling method was applied for the first time to simulate the solid-liquid flows in a single-channel pump. The results showed that the smaller particles possessed a wider velocity distribution range and velocity peak, while the larger particles exerted a greater contact force. Additionally, the pie-shaped particles had the most severe collisions, and spherical particles had the least in total. Furthermore, the hub and shroud wall suffered a minor contact force, but the blade and volute wall both sustained a considerable contact force. This paper could present some supply data for future research on the optimization of a single-channel pump.

Suggested Citation

  • Cheng Tang & Youn-Jea Kim, 2020. "CFD-DEM Simulation for the Distribution and Motion Feature of Solid Particles in Single-Channel Pump," Energies, MDPI, vol. 13(19), pages 1-12, September.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:19:p:4988-:d:417606
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    Citations

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    Cited by:

    1. Tadeusz Dziubak & Leszek Bąkała, 2021. "Computational and Experimental Analysis of Axial Flow Cyclone Used for Intake Air Filtration in Internal Combustion Engines," Energies, MDPI, vol. 14(8), pages 1-28, April.
    2. Shuihua Zheng & Chaojie Yang & Chaoshou Yan & Min Chai & Zenan Sun, 2022. "Study on Fiber Clogging Mechanism in Sewage Pump Based on CFD–DEM Simulation," Energies, MDPI, vol. 15(5), pages 1-19, February.

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