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- Title
新型磁流变阻尼器的研制及其准静态分析.
- Authors
刘月辰; 王强; 刘明斗
- Abstract
Considering the structural limitations of the conventional magnetorheological dampers, the cross-sectional area of the throttling channel is correlated to the piston size and other structural dimensions of the damper. Therefore, the damping force and the adjustable damping ratio cannot be considered simultaneously, resulting in the application in the impact environment. Meanwhile, conventional magnetorheological dampers have complicated structures and excessive sizes. In order to resolve these shortcomings, a novel double-rod bypass magnetorheological damper was proposed. Based on the theory of fluid mechanics and the rheological features of the magnetorheological fluid, the velocity distribution of the magnetorheological fluid in the throttling channel was discussed in detail. In this regard, the Herschel-Bulkley model was applied to establish the velocity expression and mechanical model. Then the damping force was calculated for the fluid behavior, while the index number is set to 1. It is found that obtained results are in excellent consistency with the measured results, which verify the accuracy of the quasi-static model. It is expected that the proposed model can provide a theoretical guidance for designing novel magnetorheological dampers.
- Publication
Science Technology & Engineering, 2022, Vol 22, Issue 10, p3951
- ISSN
1671-1815
- Publication type
Article