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Research on Ditching Mechanism of Self-Excited Vibration Ditching Machine
Agronomy, 2023 A vibration ditching machine is a machine that can effectively reduce ditching resistance and energy consumption. In this paper, taking a self-developed, self-excited vibration ditching machine as the research object, we explore its internal dynamic ...
Jun Li +7 more
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Polygonal Wear Mechanism of High-Speed Train Wheels Based on Lateral Friction Self-Excited Vibration
Machines, 2022 This work details research on the formation mechanism of wheel polygonalization in high-speed trains and its effect factors by numerical modeling in order to prevent the increasingly prevalent problem of wheel polygonal wear.
Yahong Dong, Shuqian Cao
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Numerical Investigation on Torsional Mode Self-Excited Vibration of Guide Vane in a Reversible Pump-Turbine during Pump Mode’s Starting Up [PDF]
Journal of Applied Fluid Mechanics, 2022 In reversible pump-turbines, guide vane vibrations are considered to have potentially severe consequences of noise and structural damage. Unstable torsional mode self-excited vibrations of guide vanes have been reported at small guide vane openings ...
W. Kang, Q. Liang, L. Zhou, Z. Wang
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Journal of Low Frequency Noise, Vibration and Active Control, 2023 By the analytical method, this paper investigates the mode-coupling friction-induced instability and the resulting stick-slip self-excited vibration of the marine stern water-lubricated rubber bearing-shaft system.
Chuang Wu +4 more
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Nihon Kikai Gakkai ronbunshu, 2021 It is desired that the forced self-excited vibrations of structures subjected to the vortex excitation and the long-period earthquake are quenched. Therefore, this paper deals with the vibration control of self-excited system and forced self-excited ...
Yutaka YOSHITAKE +5 more
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Self-excited vibration of whole vehicle with multiple limit cycles induced by shimmy of front wheels
Journal of Low Frequency Noise, Vibration and Active Control, 2020 Front wheel shimmy may induce the self-excited vibration of whole vehicle with multiple limit cycles. This kind of shimmy is difficult to control and can do great harm to the vehicle.
Daogao Wei +5 more
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Complexity, 2019 In practice, due to the fact that the phenomenon of drawing self-excited vibration can be deemed as one of the hunting phenomena of the mechanical system, this study focuses on investigating the drawing self-excited vibration process through proposing ...
Jiaquan Xie +4 more
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Symmetry, 2018 The gear is a cyclic symmetric structure, and each tooth is subjected to a periodic mesh force. These mesh forces have the same phase difference tooth by tooth, which can excite gear vibrations.
Yang Long, Yanrong Wang, Wang Yanrong
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An Experimental Validated Control Strategy of Maglev Vehicle-Bridge Self-Excited Vibration
Applied Sciences (Switzerland), 2017 This study discusses an experimentally validated control strategy of maglev vehicle-bridge vibration, which degrades the stability of the suspension control, deteriorates the ride comfort, and limits the cost of the magnetic levitation system.
Danfeng Zhou +2 more
exaly +2 more sources