Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

On Sediment Mass Flux Directionality Induced by Yawed Permeable Vanes under Near-Critical Mobility Conditions

Journal Article · · Journal of Hydraulic Engineering
Experiments were conducted in open channel flows under near-critical mobility conditions to quantify local evolution of the sediment bed induced by emergent and submerged rectangular vertical porous walls in yawed conditions. The goal was to design minimally invasive hydraulic structures, or vanes, redirecting sediment mass flux to be coupled with intake pipes in dam bypass systems for sustainable sediment redistribution. Theoretical scaling for the maximum scour depth derived from the phenomenological theory of turbulence was extended to our specific emergent vane geometry under varying structure porosity, angle, and size. Most of our attention was devoted to quantifying the asymmetry of the induced bathymetric effects and developing an appropriate metric to identify the most effective vane configuration to steer sedimentation along a desired direction. The orientation angle was shown to significantly affect the geometry and volume of the scour and deposit, the spanwise shift of the deposit volume, and the velocity profiles in the wake, for both emergent and submerged vane configurations. The optimal streamwise and spanwise spacings in yawed, submerged, porous vane arrays were determined based on the spatial evolution of the wake flow, ensuring minimal sheltering effects and maximal lateral directionality of the sediment deposit. Furthermore, we here provide supporting evidence that wind and marine hydrokinetic turbine wake models can be extended to the case of porous planar structures to capture the key physical mechanisms governing sediment deposits.
Research Organization:
University of Minnesota, Minneapolis, MN (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Renewable Power Office. Water Power Technologies Office
Grant/Contract Number:
EE0008947
OSTI ID:
2507220
Alternate ID(s):
OSTI ID: 2418712
Journal Information:
Journal of Hydraulic Engineering, Journal Name: Journal of Hydraulic Engineering Journal Issue: 10 Vol. 148; ISSN 0733-9429
Publisher:
American Society of Civil Engineers (ASCE)Copyright Statement
Country of Publication:
United States
Language:
English

References (67)

Sustainable sediment management in reservoirs and regulated rivers: Experiences from five continents journal May 2014
Analytical modelling of wind speed deficit in large offshore wind farms journal January 2006
Classification of geomorphological effects downstream of dams journal August 2000
Mean flow and turbulence around experimental spur dike journal December 2009
Curvilinear immersed boundary method for simulating coupled flow and bed morphodynamic interactions due to sediment transport phenomena journal July 2011
Experimental and computational investigation of local scour around bridge piers journal March 2012
Wave-induced morphodynamics and sediment transport around a slender vertical cylinder journal July 2019
Flow and bed morphology response to the introduction of wood logs for sediment management journal August 2019
Wake model for horizontal-axis wind and hydrokinetic turbines in yawed conditions journal May 2019
Experimental investigation of the performance and wake effect of a small-scale wind turbine in a wind tunnel journal January 2019
Changes in hydrologic regime by dams journal October 2005
Equilibrium or indeterminate? Where sediment budgets fail: Sediment mass balance and adjustment of channel form, Green River downstream from Flaming Gorge Dam, Utah and Colorado journal October 2005
Experimental analysis of the flow field around horizontal axis tidal turbines by use of scale mesh disk rotor simulators journal February 2010
Modeling the wake dynamics of a marine hydrokinetic turbine using different actuator representations journal February 2021
An experimental investigation simulating flow effects in first generation marine current energy converter arrays journal January 2012
A new analytical model for wind-turbine wakes journal October 2014
Interaction between instream axial flow hydrokinetic turbines and uni-directional flow bedforms journal February 2016
Interaction between hydrokinetic turbine wakes and sediment dynamics: array performance and geomorphic effects under different siting strategies and sediment transport conditions journal August 2019
Lagrangian model of bed-load transport in turbulent junction flows journal January 2011
Numerical simulation of sand waves in a turbulent open channel flow journal July 2014
On the onset of wake meandering for an axial flow turbine in a turbulent open channel flow journal March 2014
Local scour around structures and the phenomenology of turbulence journal August 2015
On steady alternate bars forced by a localized asymmetric drag distribution in erodible channels journal April 2021
Colorado River sediment transport: 1. Natural sediment supply limitation and the influence of Glen Canyon Dam journal February 2000
Influence of a dam on fine‐sediment storage in a canyon river journal March 2006
Metrics for assessing the downstream effects of dams: METRICS FOR ASSESSING EFFECTS OF DAMS journal April 2008
An investigation of the flow and scour mechanisms around isolated spur dikes in a shallow open channel: 2. Conditions corresponding to the final stages of the erosion and deposition process journal August 2008
Initial stages of erosion and bed form development in a turbulent flow around a cylindrical pier journal July 2011
Experimental Investigation of Three‐Dimensional Flow Structure and Turbulent Flow Mechanisms Around a Nonsubmerged Spur Dike With a Low Length‐to‐Depth Ratio journal May 2018
Anthropogenic stresses on the world’s big rivers journal December 2018
Sediment Transport, Part I: Bed Load Transport journal October 1984
Design Method for Local Scour at Bridge Piers journal October 1988
Sediment Management with Submerged Vanes. I: Theory journal March 1991
Sediment Management with Submerged Vanes. II: Applications journal March 1991
Experimental Investigation of Flow Past Submerged Vanes journal May 1998
Time Scale for Local Scour at Bridge Piers journal January 1999
Sediment Control at Lateral Diversions: Limits and Enhancements to Vane Use journal August 1999
Use of Vanes for Control of Scour at Vertical Wall Abutments journal September 2001
Local Scour Associated with Angled Spur Dikes journal December 2002
Effect of Floodwater Extraction on Mountain Stream Morphology journal November 2003
Similitude of Large-Scale Turbulence in Experiments on Local Scour at Cylinders journal January 2006
Live-Bed Local Pier Scour Experiments journal July 2006
Characteristics of Horseshoe Vortex in Developing Scour Holes at Piers journal April 2007
Scour at Submerged Cylindrical Obstacles under Steady Flow journal January 2008
Effect of Sediment Size Scaling on Physical Modeling of Bridge Pier Scour journal October 2009
Enhancing Utility of Submerged Vanes with Collar journal September 2010
Clear-Water Scour at Comparatively Large Cylindrical Piers journal November 2013
Local Scour around a Model Hydrokinetic Turbine in an Erodible Channel journal August 2014
Hydrokinetic Turbines in Yawed Conditions: Toward Synergistic Fluvial Installations journal April 2020
Temporal Evolution of Clear-Water Scour Depth at Submerged Weirs journal March 2020
Effect of Inlet Turbulent Boundary Conditions on Scour Predictions of Coupled LES and Morphodynamics in a Field-Scale River: Bankfull Flow Conditions journal April 2020
Temporal Evolution of Clear-Water Local Scour at Aligned and Skewed Complex Bridge Piers journal April 2020
Experimental and Theoretical Study of Local Scour around Three-Pier Group journal October 2020
Scouring of granular beds by jet-driven axisymmetric turbulent cauldrons journal August 2006
Review Article: Advances in modeling of bed particle entrainment sheared by turbulent flow journal June 2018
Temporal evolution of jet induced scour depth in cohesionless granular beds and the phenomenological theory of turbulence journal August 2018
Near-bed eddy scales and clear-water local scouring around vertical cylinders journal March 2020
Origin of the scaling laws of sediment transport journal January 2017
Origin of the onset of meandering of a straight river journal August 2017
Predictive model for local scour downstream of hydrokinetic turbines in erodible channels journal February 2018
Scaling and Similarity in Rough Channel Flows journal December 2001
Localized Turbulent Flows on Scouring Granular Beds journal June 2005
Turbulent Friction in Rough Pipes and the Energy Spectrum of the Phenomenological Theory journal January 2006
Bed sediment entrainment by streamflow: State of the science journal May 2019
Wake Characteristics and Power Performance of a Drag-Driven in-Bank Vertical Axis Hydrokinetic Turbine journal September 2019
The Science behind Scour at Bridge Foundations: A Review journal January 2020
Effect of submerged vanes on the scour occurring at a cylindrical pier journal September 2008

Similar Records

Experimental Tests of Lateral Bedload Transport Induced by a Yawed Submerged Vane Array in Open-Channel Flows
Journal Article · Tue Aug 13 20:00:00 EDT 2024 · Journal of Hydraulic Engineering · OSTI ID:2434366

Hydrokinetic Turbines in Yawed Conditions: Toward Synergistic Fluvial Installations
Journal Article · Tue Mar 31 20:00:00 EDT 2020 · Journal of Hydraulic Engineering · OSTI ID:1649178