軸対称音響管に関する一考察

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書誌事項

タイトル別名
  • Consideration on an Axially Symmetric Acoustic Transmission Duct
  • 軸対称音響に関する一考察
  • ジク タイショウ オンキョウ ニ カンスル イチ コウサツ

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抄録

Various kinds of modes will be excited and modulated in an acoustic transmission duct due to variations of its geometrical conditions. Therefore, we may be able to consider an acoustic transmission duct as a continuum of acoustic transformer elements. In the first part of this paper, a well-known one-dimensional wave equation is derived from the above point of view. Then more accurate differential equations applicable to the analysis of an axially symmetric transmission duct are derived with higher order modes taken into consideration and are presented in Equation (19). The equations thus obtained are discussed in order to clarify their physical meaning. The theoretical consideration treated here may be applied to another type of acoustic transmission duct which will be presented in the next paper.

収録刊行物

  • 日本音響学会誌

    日本音響学会誌 26 (4), 169-173, 1970

    一般社団法人 日本音響学会

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