Modelling Of Stratified Flow Over Topography In Semi-deep Coastal
Channels
Author(s)
N. Ravlic & G. Gjetvaj
Abstract
Modelling of stratified flow over topography in
semi-deep coastal channels
N. ~avlic' & G. ~jetvaj'
I Civil Engineering Institute of Croatia, Regional Unit in Rijeka, Croatia.
*~acult- of Civil Engineering, University of Zagreb, Croatia.
Abstract
Sudden changes of sea bottom topography in coastal channels can be viewed as a
source of flow disturbances and turbulent energy transferred into the flow
domain causing a series of hydrodynamic phenomena and enhanced mixing
between layers of stratified fluid, particularly in regions adjacent to the
topography change.
As a consequence, resulting gradual destruction of stable density stratification
(typically present in coastal channels in summer season) can be accompanied by
adverse environmental effects if, for example, large amounts of wastewater is
being discharged in the region affected by the obstacle. In such conditions,
increased mixing and partial or complete homogenisation of water column in the
vicinity of the obstacle can cause submerged fie
Keywords
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