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Numerical Simulation on Aerodynamic Noise of (K)TS Control Valves in Natural Gas Transmission and Distribution Stations in Southwest China

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  • Xiaobo Feng

    (Chongqing Gas Field of Petro China Southwest Oil and Gas Field Company, Chongqing 400707, China)

  • Lu Yu

    (Chongqing Gas Field of Petro China Southwest Oil and Gas Field Company, Chongqing 400707, China)

  • Hui Cao

    (Chongqing Gas Field of Petro China Southwest Oil and Gas Field Company, Chongqing 400707, China)

  • Ling Zhang

    (Key Laboratory of the Three Gorges Reservoir Region’s Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China)

  • Yizhi Pei

    (Key Laboratory of the Three Gorges Reservoir Region’s Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China)

  • Jingchen Wu

    (Key Laboratory of the Three Gorges Reservoir Region’s Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China)

  • Wenhao Yang

    (Key Laboratory of the Three Gorges Reservoir Region’s Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China)

  • Junmin Gao

    (Key Laboratory of the Three Gorges Reservoir Region’s Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China)

Abstract

Fluid dynamic noise produced by eddy disturbances and friction along pipe walls poses a significant challenge in natural gas transmission and distribution stations. (K)TS control valves are widely used in natural gas transmission and distribution stations across Southwest China and are among the primary sources of noise in these facilities. In this study, a 3D geometric model of the (K)TS valve was developed, and the gas flow characteristics were simulated to analyze the gas flow field and sound field within the valve under varying pipeline flow velocities, outlet pressures, and valve openings. The results demonstrate that accurate calculations of the 3D valve model can be achieved with a grid cell size of 3.6 mm and a boundary layer set to 3. The noise-generating regions of the valve are concentrated around the throttle port, valve chamber, and valve inlet. The primary factors contributing to the aerodynamic noise include high gas flow velocity gradients, intense turbulence, rapid turbulent energy dissipation, and vortex formation and shedding within the valve. An increase in inlet flow velocity intensifies turbulence and energy dissipation inside the valve, while valve opening primarily influences the size of vortex rings in the valve chamber and throttle outlet. In contrast, outlet pressure exerts a relatively weak effect on the flow field characteristics within the valve. Under varying operating conditions, the noise directivity distribution remains consistent, exhibiting symmetrical patterns along the central axis of the flow channel and forming six-leaf or four-leaf flower shapes. As the distance from the monitoring point to the valve increases, noise propagation becomes more concentrated in the vertical direction of the valve. These findings provide a theoretical basis for understanding the mechanisms of aerodynamic noise generation within (K)TS control valves during natural gas transmission, and can also offer guidance for designing noise reduction solutions for valves.

Suggested Citation

  • Xiaobo Feng & Lu Yu & Hui Cao & Ling Zhang & Yizhi Pei & Jingchen Wu & Wenhao Yang & Junmin Gao, 2025. "Numerical Simulation on Aerodynamic Noise of (K)TS Control Valves in Natural Gas Transmission and Distribution Stations in Southwest China," Energies, MDPI, vol. 18(4), pages 1-21, February.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:4:p:968-:d:1593308
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    References listed on IDEAS

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    1. Thomson, Heather & Corbett, James J. & Winebrake, James J., 2015. "Natural gas as a marine fuel," Energy Policy, Elsevier, vol. 87(C), pages 153-167.
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