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Large eddy simulation and laboratory experiments on the decay of grid wakes in strongly stratified flows

Autor
Fraunie, P.; Chashechkin, Y.; Redondo, J. M.; Velasco, L.; Berreba, S.
Tipus d'activitat
Article en revista
Revista
Nuovo cimento della Società Italiana di Fisica C. Geophysics and space physics
Data de publicació
2009-07-27
Volum
31
Número
5
Pàgina inicial
909
Pàgina final
930
Resum
A detailed analysis of the flow structure resulting from the combination of turbulence and internal waves is carried out and visualized by means of the Schlieren method on waves in a strongly stratified fluid at the Laboratory of the IPM in Moscow. The joint appearance of the more regular internal wave oscillations and the small-scale turbulence that is confined vertically to the Ozmidov length scale favours the use of a simple geometrical analysis to investigate their time-space span and evolut...
Paraules clau
Kelvin-Helmholtz)., PACS 47.55.Hd – Stratified flows. PACS 47.27.-i – Turbulent flows. PACS 47.20.Ft – Instability of shear flows (e.g.
Grup de recerca
GCO - Grup de Comunicacions Òptiques

Participants