Waller Creek Intake CFD Modeling and Simulation ALDEN Research Laboratory Inc. 30 Shrewsbury St.,...

Waller Creek IntakeCFD Modeling and Simulation

ALDEN Research Laboratory Inc.30 Shrewsbury St., Holden, MA 01520

Preliminary Results

October 14, 2009

2 Year Flow Scenario

1

CFD model geometry with proposed flood control turning vane

Flood control turning vane

1 23

4

5

6

2

Plot of velocity contours with vectors

(Slice plane cut horizontally at elevation 465 Ft.)

Time = 250 sec.

3

Plot of velocity contours with vectors

(Slice plane cut horizontally at elevation 470 Ft.)

Time = 250 sec.

4

Plot of velocity contours with vectors

(Slice plane cut horizontally at elevation 476 Ft.)

Time = 250 sec.

5

(Slice plane cut vertically at the center of the morning glory spillway.)

Plot of velocity contours with vectors

slice plane cut locationsTime = 250 sec.

6

(Slice plane cut vertically at the center of the morning glory spillway.)

Plot of velocity contours with vectors

slice plane cut locationsTime = 250 sec.

7

Plot of velocity contours

Time = 250 sec.

(Slice planes cut vertically at the center of the morning glory spillway at different locations.)

Isometric view 1

8

Plot of velocity contours

Time = 250 sec.

(Slice planes cut vertically at the center of the morning glory spillway at different locations.)

Isometric view 2

9

2

3

45

6

Velocity contour through each bar screen

Time = 250 sec.

Isometric view 1

10

1

2

34

5

6

Velocity contour through each bar screen

Time = 250 sec.

11

Isometric view 2

12

3

4

5

6

Velocity contour through each bar screen

Time = 250 sec.

12

Isometric view 3

Isosurface plot of water colored with velocity magnitude

(Isometric view)

Time = 250 sec.

13

Isosurface plot of water colored with velocity magnitude

(Isometric view)

Time = 250 sec.

* same with slide 13 but different color scale

14

Isosurface plot of water colored with velocity magnitude

(Plan view)

Time = 250 sec.

15

Isosurface plot of water colored with velocity magnitude

(Plan view)

Time = 250 sec. * same with slide 15 but different color scale

16

Isosurface plot of water colored with water surface elevation

(Isometric view)

Time = 250 sec.

17

Isosurface plot of water colored with water surface elevation

(Plan view)

Time = 250 sec.

18

-100%-90%-80%-70%-60%-50%-40%-30%-20%-10%

0%10%20%30%40%50%60%70%80%90%

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Percent flow variations at bar screen 1

19

-100%-90%-80%-70%-60%-50%-40%-30%-20%-10%

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Percent flow variations at bar screen 2

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Percent flow variations at bar screen 3

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Percent flow variations at bar screen 4

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Percent flow variations at bar screen 5

23

-100%-90%-80%-70%-60%-50%-40%-30%-20%-10%

0%10%20%30%40%50%60%70%80%90%

100%

100 150 200 250 300 350 400

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Percent flow variations at bar screen 6

24

-100%-90%-80%-70%-60%-50%-40%-30%-20%-10%

0%10%20%30%40%50%60%70%80%90%

100%

100 150 200 250 300 350 400

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Percent flow variations through each bar screen

bar screen 1

bar screen 2

bar screen 3

bar screen 4

bar screen 5

bar screen 6

25