1970 Volume 7 Issue 6 Pages 317-320
Pressure propagation phenomena in regularly spaced two-phase layers is discussed from theory. The value for sound velocity becomes that usually expected for a homogeneous com-pressible medium in the limiting case where the thickness of each layer is small compared with the wave-lergth. There must be a sufficient number of layers for the homogeneous concept to hold. Otherwise dispersion is expected.
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