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2005•Physics of FluidsRequires access

Turbulent patches in a stratified shear flow

Harindra J. S. Fernando

Open publisher page 3 citations

Abstract

Turbulence measurements within an artificially generated turbulent patch embedded in a stratified shear flow are presented. The results indicate that the enhanced patch growth that has been observed at background gradient Richardson numbers on the order unity can be attributed to the onset of shear-induced mixing at the patch boundaries rather than enhanced interaction between turbulence and shear that causes increased turbulence levels within the patch.

About this research paper

What this paper is about

Turbulence measurements within an artificially generated turbulent patch embedded in a stratified shear flow are presented. The results indicate that the enhanced patch growth that has been observed at background gradient Richardson numbers on the order unity can be attributed to the onset of shear-induced mixing at the patch boundaries rather than enhanced interaction between turbulence and shear that causes increased turbulence levels within the patch.

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Available abstract

Turbulence measurements within an artificially generated turbulent patch embedded in a stratified shear flow are presented. The results indicate that the enhanced patch growth that has been observed at background gradient Richardson numbers on the order unity can be attributed to the onset of shear-induced mixing at the patch boundaries rather than enhanced interaction between turbulence and shear that causes increased turbulence levels within the patch.

Key concepts: Turbulence, Physics, Stratified flow, Shear flow, Richardson number, Shear (geology), Stratified flows, Mechanics

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