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- S. V. Subrahmanyam
- Physics Department, S. V. University, Tirupati, India
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- V. Hyder Khan
- Physics Department, S. V. University, Tirupati, India
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- C. V. Raghavan
- Physics Department, S. V. University, Tirupati, India
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説明
<jats:p>The effect of diffraction on Sound-velocity measurements in liquids was studied in the low frequency range, 0.6 to 3.0 MHz, using a single-crystal interferometer. The excess velocity ΔC over the plane-wave velocity C was found to follow the relation ΔC/C = 3.2λ32/2π2dD12 where λ is the wavelength, d the beam diameter, and D is the distance from the source at which measurements were made. The diffraction effects are 3.2 times the values envisaged theoretically [from Bass and Williams cited in H. J. McSkimin, J. Acoust. Soc. Amer. 33, 539 (L) (1961)].</jats:p>
収録刊行物
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- The Journal of the Acoustical Society of America
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The Journal of the Acoustical Society of America 46 (1B), 272-273, 1969-07-01
Acoustical Society of America (ASA)