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Article

Structural Analysis and Optimization of Urban Gas Pressure Regulator Based on Thermo-Hydro-Mechanical Coupling

by
Yue Cui
1,
Nan Lin
2,
Zhong Yuan
3,
Huiqing Lan
3,*,
Junqiang Wang
2 and
Huigang Wang
1
1
Key Laboratory of Intelligent Equipment Digital Design and Process Simulation, Tangshan University, Tangshan 063009, China
2
China Special Equipment Inspection and Research Institute, Beijing 100029, China
3
Key Laboratory of Vehicle Advanced Manufacturing, Measuring and Control Technology (Ministry of Education), Beijing Jiaotong University, Beijing 100044, China
*
Author to whom correspondence should be addressed.
Appl. Sci. 2023, 13(11), 6548; https://doi.org/10.3390/app13116548
Submission received: 13 April 2023 / Revised: 24 May 2023 / Accepted: 25 May 2023 / Published: 27 May 2023
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Abstract

As a core component in the gas transmission process, the internal wall surface of a gas pressure regulator is prone to failure due to long-term exposure to a high-pressure gas environment, resulting in poor reliability of the regulator. Thus, a thermo-hydro-mechanical coupling model for the FL gas pressure regulator is established in this paper, and the thermo-hydro-mechanical coupling results are verified by engineering data. The effect of valve opening on the parameters (temperature, deformation, and stress) of the gas pressure regulator is studied in detail through simulation. The results show that the stress is greater at the sleeve, valve bore, and outlet valve seat wall under the opening of 20% of the regulator. Finally, the response surface method is used to optimize the regulator to obtain a good fit and high predictive ability of the response surface equation. The optimal parameters for the gas pressure regulator are as follows: the wall thickness of the sleeve is 7.25 mm, the diameter of the valve bore is 25 mm, and the wall thickness of the outlet seat is 31.05 mm. The maximum equivalent stress with this combination of parameters is 135.62 MPa.
Keywords: gas pressure regulator; thermo-hydro-mechanical coupling; response surface method; structural optimization gas pressure regulator; thermo-hydro-mechanical coupling; response surface method; structural optimization

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MDPI and ACS Style

Cui, Y.; Lin, N.; Yuan, Z.; Lan, H.; Wang, J.; Wang, H. Structural Analysis and Optimization of Urban Gas Pressure Regulator Based on Thermo-Hydro-Mechanical Coupling. Appl. Sci. 2023, 13, 6548. https://doi.org/10.3390/app13116548

AMA Style

Cui Y, Lin N, Yuan Z, Lan H, Wang J, Wang H. Structural Analysis and Optimization of Urban Gas Pressure Regulator Based on Thermo-Hydro-Mechanical Coupling. Applied Sciences. 2023; 13(11):6548. https://doi.org/10.3390/app13116548

Chicago/Turabian Style

Cui, Yue, Nan Lin, Zhong Yuan, Huiqing Lan, Junqiang Wang, and Huigang Wang. 2023. "Structural Analysis and Optimization of Urban Gas Pressure Regulator Based on Thermo-Hydro-Mechanical Coupling" Applied Sciences 13, no. 11: 6548. https://doi.org/10.3390/app13116548

APA Style

Cui, Y., Lin, N., Yuan, Z., Lan, H., Wang, J., & Wang, H. (2023). Structural Analysis and Optimization of Urban Gas Pressure Regulator Based on Thermo-Hydro-Mechanical Coupling. Applied Sciences, 13(11), 6548. https://doi.org/10.3390/app13116548

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