On the Distribution of Sound Energy along a Corridor

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  • 廊下に沿っての音圧分布について
  • ロウカ ニ ソッテ ノ オンアツ ブンプ ニ ツイテ

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Abstract

The formula which gives the distribution of sound energy along a corridor radiated by a simple source of sound located in it, has been derived in connection with ratio of the height H and the breadth B and the absorption coefficients (α_ω1, α_ω2, α_c and α_f)of its walls, ceiling and floor. The results of numerical calculation of the formula were also presented for the case of H/B: 1, 1. 5 and 2, α_f:0. 03, α_ω:0. 2〜1. 0 and α_c:0. 2 〜0. 8. The calculated distribution shows good agreement with the observed distribution.

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