Felderhof, B.U. - In: Physica A: Statistical Mechanics and its Applications 389 (2010) 24, pp. 5602-5610
The dipolar sound wave generated by a sudden impulse in an unbounded viscous compressible fluid is studied on the basis of the linearized Navier–Stokes equations. Due to viscosity the spherical wavefront is diffuse with a width which grows with the square root of time. The wavefront is...