Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year...
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Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year Flood (2320 cfs) Lady Bird Lake Inflow (1.25 ft/s) 9/9/2008 1 ALDEN RESEARCH LABORATORY, INC.
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Transcript of Waller Creek Outlet CFD Modeling Results Connection #2 with 3’ High Spillway Flip Bucket 2-Year...
ALDEN RESEARCH LABORATORY, INC. 1
Waller Creek Outlet CFD Modeling Results
Connection #2 with 3’ High Spillway Flip Bucket2-Year Flood (2320 cfs)
Lady Bird Lake Inflow (1.25 ft/s)
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 2
General View of the CFD Model
9/9/2008
General View
ALDEN RESEARCH LABORATORY, INC. 3
Plan View of the CFD Model
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 4
Velocity Contours at Water Surface
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 5
Flow Patterns
From the Tunnel Shaft to the Spillway
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 6
Velocity Magnitude Contours and Velocity Vectors in Horizontal Plane at Z=406 ft
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 7
Velocity Magnitude Contours and Velocity Vectors in Horizontal Plane at Z=415 ft
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 8
Velocity Magnitude Contours and Velocity Vectors in Horizontal Plane at Z=422 ft
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 9
Velocity Magnitude Contours and Velocity Vectors in Horizontal Plane at Z=430 ft
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 10
Velocity Magnitude Contours and Velocity Vectors in Longitudinal Plane at X=200 ft
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 11
Velocity Magnitude Contours and Velocity Vectors in Longitudinal Plane at X=150 ft
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 12
Velocity Magnitude Contours and Velocity Vectors in Longitudinal Plane at X=250 ft
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 13
Velocity Magnitude Contours and Velocity Vectors in Lateral Plane at Y=400 ft
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 14
Velocity Magnitude Contours and Velocity Vectors in Lateral Plane at Y=350 ft
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 15
Velocity Magnitude Contours and Velocity Vectors in Lateral Plane at Y=450 ft
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 16
Velocity Magnitude Contours and Velocity Vectors in Lateral Plane at Spillway Crest
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 17
Flow Impacts
Caused by Stacked Rock at the Ends of the Spillway Crest
9/9/2008
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Left Side Stacked Rock
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Right Side Stacked Rock
9/9/2008
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Velocity Profiles
Along the Ogee Spillway Section
9/9/2008
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Velocity Profile along the Spillway Ogee Section at X=200 ft
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 22
Velocity Profile along the Spillway Ogee Section at X=150 ft
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 23
Velocity Profile along the Spillway Ogee Section at X=250 ft
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 24
Hydraulic Jump at the Toe of the Spillway
Velocity and Froude Number
9/9/2008
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Velocity
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Froude Number
9/9/2008
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Scour Potential
In the Exit Channel, both Concrete Apron and Riprap Section
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 28
Velocity Magnitude Contours and Velocity Vectors in the Exit Channel in Horizontal Plane at Z=415 ft
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 29
Velocity Magnitude Contours and Velocity Vectors in the Exit Channel in Horizontal Plane at Z=422 ft
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 30
Velocity Magnitude Contours and Velocity Vectors in Horizontal Plane at Z=415 ft
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 31
Velocity Magnitude Contours and Velocity Vectors in Horizontal Plane at Z=422 ft
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 32
Velocity Magnitude Contours and Velocity Vectors in the Exit Channel in Longitudinal Plane at X=200 ft
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 33
Velocity Magnitude Contours and Velocity Vectors in the Exit Channel in Longitudinal Plane at X=150 ft
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 34
Velocity Magnitude Contours and Velocity Vectors in the Exit Channel in Longitudinal Plane at X=250 ft
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 35
Velocity Magnitude Contours and Velocity Vectors in the Exit Channel in Longitudinal Plane 1 foot apart Left Retaining Wall
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 36
Velocity Magnitude Contours and Velocity Vectors in the Exit Channel in Longitudinal Plane 1 foot apart Right Retaining Wall
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 37
Velocity Magnitude Contours and Velocity Vectors in Vertical Planes
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 38
Water Surface Elevations
At Spillway Crest and Upstream
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 39
Water Surface Elevations at Spillway Crest and Upstream
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 40
Pressure Forces
On the Pipe Riser and Water Intake Screen
9/9/2008
ALDEN RESEARCH LABORATORY, INC. 41
Pressure Force on Pipe Riser and Water Intake
Time (second) X-Force (lbf) Y-Force (lbf) Z-Force (lbf) Total (lbf)Average 1774 -622 -622 1895
9/9/2008
