On the issue of reducing the noise of internal combustion engines of vehicles

This paper examines the possibility of reducing the noise level emitted by the walls of the intake module housing by filling the intercostal space with a heat-resistant viscoelastic polymer material with a high damping level and introducing rigid reinforcing elements into the specified zone, which makes it possible to reduce the noise level generated by the internal combustion engine. The article presents the results of experimental studies performed on an engine stand installed in an acoustic anechoic chamber. It is concluded that the proposed technical solution has a positive effect, consisting in reducing the energy of the sound field from the housing elements of the intake system of the internal combustion engine.