Fundamental Study on Exhaust Muffler of Internal Combustion Engine : 4th Report, A Study on the Method to Find the Frequency Characteristics to be Muffled

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  • 内燃機関の排気消音器に関する基礎的研究 : 第4報, 設計すべき消音器に要求される減衰必要量の周波数特性算出方法に関する一考察
  • ナイネン キカン ノ ハイキ ショウオンキ ニ カンスル キソテキ ケンキュウ 4

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Abstract

When designing a muffler, the frequency characteristics of the attenuation of the noise to be muffled must be prepared in advance. This paper is intended to report a method to find the frequency characteristics through calculation. And it is suggested that NC curves are desirable as the standard level for designing a muffler. Finally, the example calculated for an autobicycle engine is shown.

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