Noise Reduction for Exhaust of the Piston Internal-combustion Engine with Coaxial Gas Outflow

Y R Vakhitov; R D Enikeev

doi:10.17816/2074-0530-69851

Izvestiya MGTU MAMI ›› 2009, Vol. 3 ›› Issue (1) : 14 -17. DOI: 10.17816/2074-0530-69851

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Noise Reduction for Exhaust of the Piston Internal-combustion Engine with Coaxial Gas Outflow

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Abstract

The article deals with the results of the numerical research of the engine exhaust noise reduction by means of coaxial arrangement of muffler exhaust pipes. This method provides significant exhaust noise reduction. The optimal ratios of pipe cross sections are determined.

Keywords

nonstationary gas outflow / gas flow rate fluctuation / muffler / coaxial flows

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Y R Vakhitov, R D Enikeev. Noise Reduction for Exhaust of the Piston Internal-combustion Engine with Coaxial Gas Outflow. Izvestiya MGTU MAMI, 2009, 3(1): 14-17 DOI:10.17816/2074-0530-69851