催化消声器声学特性的改进

Volume! Pub Date : 2021-06-01 DOI:10.36336/AKUSTIKA202139230

R. Rakhmatov, V. Galevko, Givi Nadareishvilli, V. Zuzov

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引用次数: 2

摘要

本文介绍了一种基于有限元建模的消声器设计的实验方法和实验研究结果。我们已经提出了研究的结果，包括声压分布的形式在内部体积和传播损失的消声器的发展设计。根据这些研究结果，选择了具有最佳振动声学特性的设计方案。介绍了研制和制造的汽车催化消声器的实验测试结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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IMPROVEMENT OF ACOUSTIC FEATURES OF CATALYTIC MUFFLERS

This article describes an experimental method of designing mufflers based of finite element modelling and the results of experimental study. We have presented the results of studies, including in the form of sound pressure distribution over the internal volume and transmission losses of the developed designs of the muffler. Based on the results of these studies, a design with the best vibroacoustic features was selected. The results of experimental testing of the developed and manufactured design of a catalytic silencer in a car are presented.

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