publication . Preprint . 2015

The Absence of Stokes Drift in Waves

Chafin, Clifford;
Open Access English
  • Published: 13 Dec 2015
Abstract
Stokes drift has been as central to the history of wave theory as it has been distressingly absent from experiment. Neither wave tanks nor experiments in open bodies detect this without nearly canceling "eulerian flows." Acoustic waves have an analogous problem that is particularly problematic in the vorticity production at the edges of beams. Here we demonstrate that the explanation for this arises from subtle end-of-packet and wavetrain gradient effects such as microbreaking events and wave-flow decomposition subtleties required to conserve mass and momentum and avoid fictitious external forces. These losses occur at both ends of packets and can produce a sign...
Subjects
free text keywords: Physics - Fluid Dynamics, Physics - Atmospheric and Oceanic Physics
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