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A Numerical Study on the Characteristics of the Pressurized Water Reactor’s (PWR) Primary Moisture Separator Using the Particle Tracking Method

Author

Listed:
  • Hongwu Zhao

    (Department of Mechanical Design Engineering, Graduate School of Pukyong National University, Busan 48513, Republic of Korea)

  • Jun-Ho Jeon

    (PIBEX Inc., CAE Team, Pohang 37668, Republic of Korea)

  • Dong-In Yu

    (School of Mechanical Engineering, Pukyong National University, Busan 48513, Republic of Korea)

  • Yeon-Won Lee

    (School of Mechanical Engineering, Pukyong National University, Busan 48513, Republic of Korea)

Abstract

The primary moisture separator—a key component in the PWR nuclear power plant—determines the quality of supplied steam to a turbine. Investigating its characteristics is important because supplying steam with excessive droplet entrainment results in damages to pipes, valves, and turbines in power plant circuits. In this numerical study, the particle tracking method in the Eulerian–Lagrangian methodology is used to investigate the characteristics of a primary moisture separator. Various swirl vanes with different bending angles, vane quantities, and vane locations are chosen to investigate the effect of design parameters on characteristics of the primary moisture separator. Additionally, the water droplet size is considered to vary from 0.01 to 50 μ m in this study. The pressure drop between the inlet and outlet, the steam quality at the orifice outlet, and the particle collection ratio are discussed in this paper. The results show that steam quality increases as the bending angle decreases, and increasing the number of swirl vanes increases both the pressure drop and the steam quality.

Suggested Citation

  • Hongwu Zhao & Jun-Ho Jeon & Dong-In Yu & Yeon-Won Lee, 2023. "A Numerical Study on the Characteristics of the Pressurized Water Reactor’s (PWR) Primary Moisture Separator Using the Particle Tracking Method," Energies, MDPI, vol. 16(3), pages 1-17, January.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:3:p:1310-:d:1047509
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    References listed on IDEAS

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    1. Jingyu Qu & Tie Yan & Xiaofeng Sun & Zijian Li & Wei Li, 2019. "Decaying Swirl Flow and Particle Behavior through the Hole Cleaning Device for Horizontal Drilling of Fossil Fuel," Energies, MDPI, vol. 12(3), pages 1-15, January.
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