Manufacturing Technology 2026, 26(3):372-379 | DOI: 10.21062/mft.2026.032

Research on Flow and Erosion Characteristics of Supercritical Regulating Valve

Yongqiang Pan ORCID..., Qiong Liu ORCID..., Yue Tang ORCID...
Aviation Equipment Manufacturing Industry College, Chengdu Aeronautic Polytechnic University, Chengdu, 610100, China

The regulating valve is a key component of the hydraulic control system. The flow characteristics of the regulating valve are an important parameter for the structural design of the regulating valve. The flow coefficient of the regulating valve directly reflects its flow characteristics, so it is significant to calculate the flow coefficient of the regulating valve accurately. Generally, the flow coefficient is determined by the empirical formula method or experimental method, and the accuracy and efficiency of the calculation are relatively low. In this study, a method for calculating the flow coefficient of the regulating valve com-bined with numerical simulation using CFX is proposed, and the correctness of the method is verified by experiments. Taking the measured flow coefficient as reference, the maximum error is 4.3%. In addition, the cavitation numerical simulation of the regulating valve pipeline system based on CFX is carried out. Under inlet pressures of 1.96 MPa, 2.46 MPa, and 2.96 MPa, the volume fraction of liquid water de-creased to 94.8%, 92.1%, and 88.1%, respectively. At an inlet pressure of 1.96 MPa, the maximum liquid flow exit velocity reached 400 m/s. A prediction method for the erosion amount of the bottom plate is proposed. The predicted erosion amount of the regulating valve reached 10.88 kg after 110 hours of opera-tion. The effectiveness of the proposed method is verified by calculating the actual erosion amount. In this study, the calculation method of flow coefficient and the prediction method of erosion amount can assist in improving the structural design method of regulating valve and its pipeline system, and shorten the design cycle of regulating valve.

Keywords: Regulating valve, Flow coefficient, Cavitation, erosion
Grants and funding:

This research was funded by the Key Natural Science Research Project of Chengdu Aeronautic Polytechnic University in 2024 (ZZX0624087)

Received: November 25, 2025; Revised: May 6, 2026; Accepted: May 12, 2026; Prepublished online: May 14, 2026; Published: June 29, 2026  Show citation

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Pan Y, Liu Q, Tang Y. Research on Flow and Erosion Characteristics of Supercritical Regulating Valve. Manufacturing Technology. 2026;26(3):372-379. doi: 10.21062/mft.2026.032.
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    References

    1. BAO, Y., WANG, H. (2022). Numerical study on flow and heat transfer characteristics of a novel Tesla valve with improved evaluation method. In: Int J Heat Mass Transf, Vol.187, pp. 122540. ISSN 1879-2189 Go to original source...
    2. ROUTRAY, A., SINGH, R., CEPOVA, L., SANDEEP, V., et al. (2026). Design and Life of a Ball Valve as per the ASME BPVC Section VIII by the Elastic Stress Analysis Method. In: Manufacturing Technology, Vol.26(1), pp. 78-87. ISSN 2787-9402 Go to original source...
    3. KUMAR, S., TEWARI, V. K., BHARTI, C. K., RANJAN, A. (2021). Modeling, simulation and experimental validation of flow rate of electro-hydraulic hitch control valve of agricultural tractor. In: Flow Meas Instrum, Vol.82, pp. 102070. ISSN 0955-5986 Go to original source...
    4. LIN, Z., LI, J., JIN, Z., QIAN, J. (2021). Fluid dynamic analysis of liquefied natural gas flow through a cryogenic ball valve in liquefied natural gas receiving stations. In: Energy, Vol.226, pp. 120376. ISSN 1873-6785 Go to original source...
    5. YANG, B. (2022). Modeling Compressor Pressure Ratio vs. Mass Flow Rate Including Choke Line and Surge Line Using Scaling Theorem. In: SAE Technical Paper. ISSN 0148-7191 Go to original source...
    6. PAWEL, S. J., MANSUR, L. K. (2008). Cavitation-erosion resistance of 316LN stainless steel in mercury containing metallic solutes. In: J Nucl Mater, Vol.377, pp. 174-181. ISSN 0022-3115 Go to original source...
    7. HATTORI, S., TAKINAMI, M. (2010). Comparison of cavitation erosion rate with liquid impingement erosion rate. In: Wear, Vol.269, pp. 310-316. ISSN 0043-1648 Go to original source...
    8. SUN, Z., WANG, X. (2023). Function Modeling and Simulation Analysis of Aero-engine VBV. In: Manufacturing Technology, Vol.23(4), pp. 538-544. ISSN 2787-9402 Go to original source...
    9. FOLDEN, T. S., ASCHMONEIT, F. J. (2023). A classification and review of cavitation models with an emphasis on physical aspects of cavitation. In: Phys Fluids, Vol.35, pp. 081301. ISSN 1070-6631 Go to original source...
    10. ZHANG, J., GAO, R., WU, Y. (2025). Research on Optimization Design and Processing Technology of Engine Intake System Based on NX and Fluent. In: Manufacturing Technology, Vol.25(5), pp. 711-719. ISSN 2787-9402 Go to original source...
    11. REINKE, P., RIENAECKER, A., SCHMIDT, M., BECKMANN, T. (2023). Digital High-Speed Photography of Cavitation in Journal Bearings. In: SAE Technical Paper. ISSN 0148-7191 Go to original source...
    12. WANG, B., SU, H., ZHANG, B. (2021). Hydrodynamic cavitation as a promising route for wastewater treatment - A review. In: Chem Eng J, Vol.412, pp. 128685. ISSN 1385-8947 Go to original source...
    13. ZHANG, S., DAM, J. K., NORKJER, S. (2014). Erosion of wind turbine blade coatings - Design and analysis of jet-based laboratory equipment for performance evaluation. In: Prog Org Coat, Vol.78, pp. 103-115. ISSN 0300-9440 Go to original source...
    14. LI, R., MORI, M., NINOKATA, H. (2012). A calculation methodology proposed for liquid droplet impingement erosion. In: Nucl Eng Des, Vol.242, pp. 157-163. ISSN 0029-5493 Go to original source...
    15. EDWARDS, J. K., MCLAURY, B. S., SHIRAZI, S. A. (2000). Evaluation of alternative pipe bend fittings in erosive service. In: Proceedings of the 2000 ASME Fluids Engineering Division, pp. 959-966. ISSN 1093-4928
    16. HAN, L., LI, X., XUE, F. (2019). Biocorrosion behavior of micro-arc-oxidized AZ31 magnesium alloy in different simulated dynamic physiological environments. In: Surf Coat Technol, Vol.361, pp. 240-248. ISSN 0257-8972 Go to original source...

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