Abstract
The problem of spherical sound-wave diffraction by a sphere in a viscous medium is discussed. Applying the method of separation of variables, we obtained exact formulas for the hydrodynamic field elements in a low-viscosity medium. Furthermore, by applying the Morse [1, 2] and Watson [3] method to the exact formulas, we determined asymptotic formulas for the same quantities in the case of long and shortwave propagation.
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