The Research on the Influences of Exhaust Noise and Engine Performances by Using Cracking Sound Attenuation Coupler

Jun Jie Cui; Yan Fang Xu; Jing Rui Sun

doi:10.4028/www.scientific.net/AMM.300-301.1181

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 300-301The Research on the Influences of Exhaust Noise...

The Research on the Influences of Exhaust Noise and Engine Performances by Using Cracking Sound Attenuation Coupler

Abstract:

This paper adopts Finite Volume Method, with the aid of GT-POWER platform, building the joint model of engine with cracking sound attenuation coupler. Based on the correctness of verification model, we research the cracking sound attenuation coupler’s influence on exhaust noise with engine performance. The results show that the muffler causes little power loss for engine at low and medium speed. At high speed the muffler brings power loss to engine mainly coming from muffler tail. Comparing with original muffler in the aspects of noise elimination performance and engine performance is not obvious effect and at the meantime providing a feasible technology method for realizing high efficiency and cleaning burning of methanol.

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Periodical:

Applied Mechanics and Materials (Volumes 300-301)

Pages:

1181-1185

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.300-301.1181

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Online since:

February 2013

Authors:

Jun Jie Cui, Yan Fang Xu, Jing Rui Sun

Keywords:

Combustion Engine, Coupling, Cracking, Engine Performance, Muffler, Noise

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