Research on stability and control strategies for a spring-loaded valve with bypass outlet

Jian, Jie; Shuai, Zhi-Jun; He, Jia-Xuan; Meng, Chang-Lin; Yu, Tao; Wang, Xi; Li, Wanyou; Ni, Shiwei; Jiang, Chenxing

doi:10.1016/j.anucene.2023.109917

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Cited by 3 publications

References 33 publications

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Dynamic response of spring valve subjected to underwater pressure pulse

Liang,

Lin,

et al. 2024

International Journal of Mechanical Sciences

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Dynamic response of spring valve subjected to underwater pressure pulse

Liang,

Lin,

et al. 2024

International Journal of Mechanical Sciences

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A Modelling Method of Aero-Engine Fuel System Based on Bond Graph

Geng,

Yan

2023

2023 3rd International Conference on Computer Science, Electronic Information Engineering and Intelligent Control Technology (C

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Determination of the elastic-damping characteristics of the vent-relief valve

Prokof'ev,

Makar'yants,

Stadnik

et al. 2024

Journal of Dynamics and Vibroacoustics

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Valve devices are the main elements determining the reliability of pneumatic and gas systems. One of the main disadvantages of valve devices is their operation in an oscillatory mode, which occurs due to the instability of the system with the valve. To evaluate stability, linearized mathematical models with constant coefficients are used. In this paper, it is shown that for a relief valve maintaining pressure in the tank, the values of these coefficients are not constant and depend on the operating mode of the valve - the height of its lift. For these purposes, a mathematical model in lumped parameters of the "valve - tank" system is developed. The model takes into account that when leaving through the valve shatter, part of the gas follows the poppet. Mathematical modeling shows that such hydrodynamic interaction of the valve shatter and gas flow leads to additional negative components of general damping and elasticity in the equilibrium equation of the poppet, the values of which are proportional to the valve lift. This indicates that the coefficients of the poppet equilibrium equation during valve lift can become negative when the valve moves away from the sealing element, which ensures its instability and operation in an oscillatory mode. The obtained dependencies for the elastic-damping properties of the valve are confirmed experimentally.

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Research on stability and control strategies for a spring-loaded valve with bypass outlet

Cited by 3 publications

References 33 publications

Dynamic response of spring valve subjected to underwater pressure pulse

Dynamic response of spring valve subjected to underwater pressure pulse

A Modelling Method of Aero-Engine Fuel System Based on Bond Graph

Determination of the elastic-damping characteristics of the vent-relief valve

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