%0 Journal Article %T Research of Acoustic Characteristics related to Noise Release Mufflers of Motor Transport Internal-Combustion Engines %A Bangoyan, E.. %A Tupov, V.V. %K engine release noise, noise muffler, brought losses, impedance of sound radiation by an opening, release noise source impedance, engine’s exhaust manifold, collector’s acoustic impedance, resonance oscillations of environment in manifold. %J Safety in Technosphere %D 2013 %N 2 %P 5 %I INFRA-M Academic Publishing LLC.