Abstract
The dynamic behavior of the valvetrains for a gasoline engine is simulated using a multi-valvetrain dynamic model, of which the stiff parameters are calculated by finite element method. Then, the simulation results of camshaft torques and valve forces are validated by experiments, and the calculated data are consistent with the test data. Based on the correct model, the sensitivities of dynamic loads influencing NVH of the engine directly are analyzed, and the primary influencing factors of the fluctuation of camshaft force, torque, and spring force have been found, and further, dynamic force optimization direction for NVH performance of valvetrain has been pointed out.
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© 2015 Springer-Verlag Berlin Heidelberg
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Niu, W., Tang, L., Jiang, W., Li, T. (2015). Simulation and Validation of Engine Valvetrains System Dynamics. In: Proceedings of SAE-China Congress 2014: Selected Papers. Lecture Notes in Electrical Engineering, vol 328. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-45043-7_30
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DOI: https://doi.org/10.1007/978-3-662-45043-7_30
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Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-662-45042-0
Online ISBN: 978-3-662-45043-7
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