Memoirs of the Faculty of Engineering, Yamaguchi University
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Memoirs of the Faculty of Engineering, Yamaguchi University Volume 14 Issue 1
published_at 1964
Some Theortical Studies on the Exhaust Muffler of Internal Combustion Engine
内燃機関の排気消音器に関する二三の理論的考察
Fukuda Motokazu
About This Article
Descriptions
The theoretical analysis on the exhaust muffler of an engine contains various difficult factors. Consequently, almost all the recent reports are based on the presupposition that the tail pipe of a muffler has in finite length. In this paper, therefore, the theoretical formulas of attenuation are studied from the point of view that the tail pipe has finite length. The greater parts of the formulas shown in this paper are established by the application of the theories of electrical and mechanical engineering. As a supplement, a theoretical formula is induced in this paper to express what effect is obtainable when the inner walls of the muffler are made absorptive.
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