Abstract
To analyze the vibration response of a rotor system with circumferential short spring dual mass flywheel (DMF) when the primary flywheel speed changes, the interactions (forces and torques) between the primary flywheel, spring seat, spring, and secondary flywheel are analyzed in detail, and the dynamic analysis model of the DMF rotor system is established considering the influence of clearance and friction between parts in the DMF in this study. The vibration response of the DMF is investigated by numerical method. By analyzing the bifurcation diagram, time history, phase trajectories, Poincaré section, and frequency domain of the relative angular displacement, the variation of vibration form of the system under different excitation frequencies are discussed. Besides, the effects of load, primary flywheel speed amplitude, and spring stiffness on system vibration are also analyzed. Finally, some of the results from the analytical study are verified through the DMF rotor system experiments.
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Acknowledgments
This work is supported by the National Natural Science Foundation of China (Grant No. 51805167), the Natural Science Foundation of Jiangxi Province (Grant No. 20171BAB 216029), and the Foundation of Educational Department of Jiangxi Province (Grant No. GJJ170403).
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Liping Zeng is currently a Lecturer of the School of Mechatronics and Vehicle Engineering, East China Jiaotong University, China. He received his Ph.D. in Mechanical design and theory from Chongqing University. His research interests include mechanical system dynamics and nonlinear vibration.
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Zeng, L., Liu, J., Wan, Z. et al. Modeling and vibration characteristics analysis of a DMF rotor system. J Mech Sci Technol 36, 2799–2810 (2022). https://doi.org/10.1007/s12206-022-0512-0
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DOI: https://doi.org/10.1007/s12206-022-0512-0