Abstract
In this paper, the nonlinear vibration characteristics and optimization analysis of the diaphragm pump valves are studied. Considering the coupling effect between the fluid and structures, the dynamic equations of the quality valve for the diaphragm pump is established by analyzing the force equilibrium of the quality valves. The spring preload can be obtained through analyze fluid flow between the alve lift and the structural parameters. The key parameters of quality valve for the diaphragm pump are obtained by the experimental testing data. The dynamic equation of quality valve is solved by using the fourth-order Runge-Kutta method. The nonlinear vibration characteristics of the quality valve are analyzed, and the influences of the valve clearance circumference and other structure parameters on the nonlinear vibration characteristics are also discussed. Moreover, the optimization analysis of the structural parameters for the quality valve for the diaphragm pump is conducted in order to reduce the vibration of the quality valves. The analysis model and method proposed in this article provide a new design process for quality valves of the diaphragm pump.
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Acknowledgements
This research work is supported by the National Natural Science Foundation of China (Project-Nos. 11761131006, 11402067), and the Basic Research Foundation of Chinese University (Project-Nos. 3072019CFJ0205, HEUCFJ180203).
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Zhang, J., Chen, T., Li, F., Ma, W., Liu, C. (2022). Nonlinear Vibration Characteristics and Optimization Analysis of Diaphragm Pump Mass Valves. In: Jing, X., Ding, H., Wang, J. (eds) Advances in Applied Nonlinear Dynamics, Vibration and Control -2021. ICANDVC 2021. Lecture Notes in Electrical Engineering, vol 799. Springer, Singapore. https://doi.org/10.1007/978-981-16-5912-6_62
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DOI: https://doi.org/10.1007/978-981-16-5912-6_62
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