Radiation impedance of a piston at the wall of a rectangular duct |
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| Authors: | A I Komkin M A Mironov |
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| Institution: | 16482. Bauman State Technical University, Vtoraya Baumanskaya ul. 5, Moscow, 105005, Russia
26482. Andreev Acoustics Institute, ul. Shvernika 4, Moscow, 117036, Russia
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| Abstract: | The radiation impedance of a rectangular piston positioned at the wall of a rectangular duct is theoretically investigated. The dependence of the attached length of the piston on the width of the duct is determined. The dependence shows that, unlike the radiation resistance, the attached length decreases with a decrease in duct width. The results of the study are compared with the data obtained for the attached length of a square orifice in a rectangular baffle in a duct. |
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