Acoustic streaming caused by modulated sound and wave packets

The practical applications of sound relate to approximately
periodic sounds. It is shown, that theoretical results of acoustic streaming
based on a periodic everywhere sound, should be revised in spite of the
experimental data demonstrating the essentially different velocities of
streaming. A new approach, which allows evaluating the streaming caused by sound
of every type, both periodic and non-periodic, leads to similar results. The
results of numerical calculations of streaming caused by modulated sound and
series of pulses are compared with those given by formulae for a periodic
everywhere sound.