A Study on the Exhaust Muffler of Internal Combustion Engine

概要

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In this paper, it was studied on the exhaust muffler of an internal combustion engine. Generally, the theoretical analysis of the exhaust muffler of an engine contains various difficult factors. For example, almost all the recent reports are based on the presupposition that the tail pipe of a muffler has an infinite length. In this report, therefore, a theoretical formula of the attenuation was studied from the point of view that the tail pipe has a finite length. The formula was established by the application of the theory of electric transmission line, and the values calculated by the above formula have been found practically in good agreement with those obtained from the experiments. Moreover, many experiments were executed as to the influence of varying the various factors of the cavities and the tail pipes.
一般社団法人日本機械学会の論文