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2007•Journal of Hefei University of TechnologyRequires access

Simulation of the muffler of engines and some improvements

Zuo Cheng-ji

Open publisher page 1 citations

Abstract

In order to reduce the noise of the engine's exhaust system,an improved muffler model is presented,and the transmission loss of both the former muffler and the modified muffler is calculated and compared.Then a coupled model of the engine and the muffler is established,and the noise of the engine's exhaust system is analyzed.Simulation results show that the performance of the modified muffler is superior to the former muffler.This study is valuable for the development of mufflers.

About this research paper

What this paper is about

In order to reduce the noise of the engine's exhaust system,an improved muffler model is presented,and the transmission loss of both the former muffler and the modified muffler is calculated and compared.Then a coupled model of the engine and the muffler is established,and the noise of the engine's exhaust system is analyzed.Simulation results show that the performance of the modified muffler is superior to the former muffler.This study is valuable for the development of mufflers.

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OpenAlex reports 1 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

In order to reduce the noise of the engine's exhaust system,an improved muffler model is presented,and the transmission loss of both the former muffler and the modified muffler is calculated and compared.Then a coupled model of the engine and the muffler is established,and the noise of the engine's exhaust system is analyzed.Simulation results show that the performance of the modified muffler is superior to the former muffler.This study is valuable for the development of mufflers.

Key concepts: Muffler, Noise (video), Engineering, Transmission loss, Automotive engineering, Acoustics, Computer science, Mechanical engineering

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