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| 概要 |
Theoretical analysis is carried out on the radiation and reflection of the sound wave from an open end of a circular pipe. This problem is very important to investigate the characteristics of the impu...lsive noise, which is generated by the emission of a compression wave from an open end of a tube. It is assumed that the diameter of a circular tube is small compared to the wave length. The reflection coefficient R, length of open end correction le, coefficient of directivity Q (θ) and power gain function g (θ) as function of ka are shown in cases of infinite flanged pipe and unflaged pipe at the end.続きを見る
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Mendeley出力
