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Sound wave speeds in low frequencies in liquid-filled rectangular ducts assembled with separate pieces
1986
Journal of the Acoustical Society of Japan (E)
The longitudinal wave propagation in a liquid contained in a duct is generally effected by the compliance of the duct walls, causing a reduction of the wave speed. If the duct is rectangular, and is constructed with separate pieces of metal plate, which are assembled together with screws, the wave speed in it is difficult to predict, because the wall motion is unpredictable, caused by location or number or fastening forces of screws or other factors. In this paper, the sound wave speed in low
doi:10.1250/ast.7.89
fatcat:4obxpw77gvgc3o6pvfxqmxid4m