Identification of the optimal parameters of the torsional vibration damper of the internal combustion engine crankshaft for normal power settings

Abstract

Abstract This article is devoted to determining the parameters of torsional vibration dampers of the internal combustion engine crankshaft in the entire high-speed mode of its operation. Currently, these parameters are set only for one main harmonic of the distributing moment. At the same time, it is assumed that the remaining harmonics give a slight increase in the amplitude of torsional vibrations. Changing the rotation rate of the crankshaft in the entire range of the operating mode leads to the appearance of other resonant modes, although not as significant as the main resonant mode. Therefore, for more stable quenching of torsional vibrations, a quenching device with variable characteristics is required. The proposed method for determining the parameters of the torsional vibration damper under changing speed and load modes of the internal combustion engine, which ensure efficient use, can be useful in the design of new highly accelerated internal combustion engines.