Negative turbulent production during flow reversal in a stratified oscillating boundary layer on a sloping bottom
dc.contributor.author | Gayen, Bishakhdatta | |
dc.contributor.author | Sarkar, S | |
dc.date.accessioned | 2015-12-10T23:16:43Z | |
dc.date.issued | 2011 | |
dc.date.updated | 2016-02-24T09:56:37Z | |
dc.description.abstract | Three-dimensional direct numerical simulations are performed to model an internal tidal beam at near-critical slope, and the phase dependence of turbulent processes is investigated. Convective instability leads to density overturns that originate in the upper flank of the beam and span the beam width of 6 m during flow reversal from downslope to upslope boundary motion. During this flow reversal event, negative turbulent production is observed signaling energy transfer from velocity fluctuations to the mean flow. In this note, we explain the mechanism underlying negative production. | |
dc.identifier.issn | 1070-6631 | |
dc.identifier.uri | http://hdl.handle.net/1885/65184 | |
dc.publisher | American Institute of Physics | |
dc.rights | Author/s retain copyright | en_AU |
dc.source | Physics of Fluids | |
dc.subject | Keywords: Beam widths; Boundary motion; Convective instabilities; Downslope; Flow reversals; Mean flow; Oscillating boundaries; Phase dependence; Sloping bottom; Turbulent process; Velocity fluctuations; Energy transfer; Three dimensional; Oscillating flow | |
dc.title | Negative turbulent production during flow reversal in a stratified oscillating boundary layer on a sloping bottom | |
dc.type | Journal article | |
dcterms.accessRights | Open Access | en_AU |
local.bibliographicCitation.issue | 10 | |
local.contributor.affiliation | Gayen, Bishakhdatta, College of Physical and Mathematical Sciences, ANU | |
local.contributor.affiliation | Sarkar, S, University of California | |
local.contributor.authoremail | u5156322@anu.edu.au | |
local.contributor.authoruid | Gayen, Bishakhdatta, u5156322 | |
local.description.notes | Imported from ARIES | |
local.identifier.absfor | 040503 - Physical Oceanography | |
local.identifier.absseo | 970104 - Expanding Knowledge in the Earth Sciences | |
local.identifier.ariespublication | U3488905xPUB1066 | |
local.identifier.citationvolume | 23 | |
local.identifier.doi | 10.1063/1.3651359 | |
local.identifier.scopusID | 2-s2.0-80155205794 | |
local.identifier.uidSubmittedBy | U3488905 | |
local.type.status | Published Version |
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