Accession Number : AD1032945


Title :   Reynolds Number Scaling and Parameterization of Stratified Turbulent Wakes


Descriptive Note : Technical Report,01 Jul 2013,31 Dec 2016


Corporate Author : Cornell University Ithaca United States


Personal Author(s) : Diamessis, Peter J


Full Text : https://apps.dtic.mil/dtic/tr/fulltext/u2/1032945.pdf


Report Date : 17 Apr 2017


Pagination or Media Count : 20


Abstract : The work funded by this grant has examined both the turbulence and the internal wave field emitted by a stratified turbulent wake of a towed sphere over a range of body-based Reynolds and Froude numbers using implicit Large Eddy Simulation (LES). Work has been completed on the Lagrangian drift, and hence particulate dispersion, induced by a internal wave beam reflecting off a rigid lid surface in an idealized linear stratification. The far-field and surface signature of the internal wave field emitted by stratified turbulent wakes has also been examined. Simple predictor models linking surface-observed wavelengths to body-generating depth and passage time have been constructed .


Descriptors :   reynolds number , internal waves , near field , stratified fluids , far field , buoyancy , froude number , fluid mechanics , dispersions , environmental engineering


Subject Categories : Civil Engineering


Distribution Statement : APPROVED FOR PUBLIC RELEASE