曲がりのある円筒内の音波伝搬について

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タイトル別名
  • Propagation of Sound in a Curved Cylindrical Duct
  • マガリ ノ アル エントウ ナイ ノ オンパ デンパン ニ ツイテ

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抄録

In the preceding paper the present authors analyzed the sound field in an axially symmetric duct by regarding the duct as a continuum of acoustic transformer elements. By using the same theoretical treatment as in the preceding paper, propagation of sound in a curved duct is considered in the present paper. Simultaneous ordinary differential equations defining the sound field in a curved duct is derived and presented in Equation(11). The equations thus obtained are discussed in order to clarify their physical meaning. The practical applications of these equations, based on Fourier analysis, are also presented to show their usefulness. And we calculated the sound field in the curved ducts shown in Figs. 2 and 3 where a simple plane(0, 0)mode, exp(-iks), is incident upon them. The results are given in Chapters 4 and 5 respectively.

収録刊行物

  • 日本音響学会誌

    日本音響学会誌 26 (8), 339-346, 1970

    一般社団法人 日本音響学会

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