%0 Journal Article %T Noise of petrol engine with air cooling system and methods of its decrease %A Tupov, V.V. %K structural noise, combustion process noise, noise from piston strokes about the cylinder, vibroacoustic conductivity, admissible level of sound power, noise suppression, offsetting, vibrodamping. %J Safety in Technosphere %D 2012 %N 1 %P 6 %I INFRA-M Academic Publishing LLC.