Downloading: Dynamic Analysis of Engine Valvetrain and its Effects on Camshaft
International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
www.ijsr.net | Open Access | Fully Refereed | Peer Reviewed International Journal

ISSN: 2319-7064



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Dynamic Analysis of Engine Valvetrain and its Effects on Camshaft

Udit Vats

Abstract: The primary function of the camshaft is the smooth opening and closing of valves. In actual working conditions of an engine when the cam displaces the valve it results in valve spring restoring force to act on the cam. This force acts in the form of a resisting torque whose magnitude varies with the valve lift and also the cam rotation angle. These cyclic variations in the resisting torque acting on the camshaft due to valve spring load result in the oscillations of the camshaft. At high engine speeds these oscillations become severe and may even result in failure of the valvespring due to surging. We will do the dynamic analysis using Matlab software to find the peak amplitudes of vibration of the camshaft caused due to the valvespring forces, at high engine speeds.

Keywords: Camshaft Vibration, Valvespring, Surging, Matlab



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