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Analysis for Dynamic Performances of Engine Front End Accessory Drive System under Accelerating Condition
Technical Paper
2020-01-0399
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
A model for a generic layout of an engine front end accessory drive system is established. The dynamic performances of the system are obtained via a numerical method. The dynamic performances consist of the oscillation angle of tensioner arm, the slip ratio of each pulley and the dynamic belt tension. In modeling the system, the hysteretic behavior of an automatic tensioner, the loaded torque of the accessory pulley versus the engine speed, the torsional vibration of crankshaft and the creep of the belt are considered. The dynamic performances of the system at steady state and under accelerating condition are analyzed. An example is provided to validate the established model. The measured results show that the torsional vibration of crankshaft is larger and the dynamic performances of the system are different under accelerating conditions, though the acceleration is small. In the end, the dynamic performances of the system using different belts with different Young’s modulus are studied by the established model.
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Citation
Lin, C., Long, S., Sun, Y., Zhao, W. et al., "Analysis for Dynamic Performances of Engine Front End Accessory Drive System under Accelerating Condition," SAE Technical Paper 2020-01-0399, 2020, https://doi.org/10.4271/2020-01-0399.Data Sets - Support Documents
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References
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