Results 71 to 80 of about 107,957 (205)

Vorticity Fields on Flow with Vortex System [PDF]

open access: yes, 2009
. The flow around a circular cylinder mounted normal to the channel bed is essentially a three-dimensional one. The flow upstream undergoes a separation of the turbulent boundary layer and rolls up to form a flow system, known as horseshoe vortex, which ...
Yulistiyanto, B. (Bambang)
core  

On the role of infiltration and exfiltration in swash zone boundary layer dynamics [PDF]

open access: yes, 2015
Funded by Mexican National Council of Science and Technology (CoNACyT) . Grant Number: 490080 Fulbright-Garcia Robles grant Instituto de Ingeniería UNAM International Collaborative Research project University of Delaware DGAPA UNAM National Science ...
Pintado-Pati, Jose Carlos   +3 more
core   +1 more source

Effect of submerged vegetation on hydraulic resistance of ice-covered flows

open access: yesInternational Journal of Sediment Research
Understanding the hydraulic resistance is vital for river engineering projects that include the installation of in-stream infrastructure, such as bridge abutments, which directly impact flow dynamics and sediment transport.
Sanaz Sediqi, Jueyi Sui, Guowei Li
doaj   +1 more source

Erosion of a granular bed driven by laminar fluid flow

open access: yes, 2008
Motivated by examples of erosive incision of channels in sand, we investigate the motion of individual grains in a granular bed driven by a laminar fluid to give us new insights into the relationship between hydrodynamic stress and surface granular flow.
ALEXANDER E. LOBKOVSKY   +14 more
core   +1 more source

Experimental Study of Effect of Rough Bed on Sequent Depth Ratio of Hydraulic Jump on Adverse Slope [PDF]

open access: yesعلوم و مهندسی آبیاری, 2012
Hydraulic jump is one of the important phenomena in rapidly varied flow. Due to this phenomenon the energy loss, the upstream flow velocity significantly decreases.
Parastoo Parsamehr   +1 more
doaj  

Sliding Relations for Glacier Slip With Cavities Over Three‐Dimensional Beds

open access: yesGeophysical Research Letters, 2020
Results of glacier flow models and associated estimates of future sea level rise depend sensitively on the prescribed relation between shear stress and slip velocity at the glacier bed.
Christian Helanow   +3 more
doaj   +1 more source

Direct numerical simulations of aeolian sand ripples

open access: yes, 2014
Aeolian sand beds exhibit regular patterns of ripples resulting from the interaction between topography and sediment transport. Their characteristics have been so far related to reptation transport caused by the impacts on the ground of grains entrained ...
Andreotti, Bruno   +2 more
core   +1 more source

Modeling Vessel-Generated Currents and Bed Shear Stresses [PDF]

open access: yes, 2008
Adaptive Hydraulics (ADH) is a computational fluid dynamics package that solves the Navier-Stokes equations and shallow water (depth-averaged Navier-Stokes) equations on two- and three-dimensional computational meshes for overland flow, sediment transport, and groundwater problems.
Richard L. Stockstill   +2 more
openaire   +1 more source

Particle dynamics of a cartoon dune [PDF]

open access: yes, 2009
The spatio-temporal evolution of a downsized model for a desert dune is observed experimentally in a narrow water flow channel. A particle tracking method reveals that the migration speed of the model dune is one order of magnitude smaller than that of ...
  +14 more
core   +2 more sources

The role of subtemperate slip in thermally driven ice stream margin migration [PDF]

open access: yes, 2018
The amount of ice discharged by an ice stream depends on its width, and the widths of unconfined ice streams such as the Siple Coast ice streams in West Antarctica have been observed to evolve on decadal to centennial timescales.
Gagliardini, Olivier   +2 more
core   +4 more sources

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