Waller Creek IntakeCFD Modeling and Simulation

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

Preliminary Results

September 18, 2009

Flood Control Turning Vane Design

CFD model geometry with proposed flood control turning vane

Flood control turning vane Flood control turning vane

Isometric view 1 Isometric view 2

CFD model geometry with proposed flood control turning vane

Flood control turning vane

V6 = 3.32 ft/s

V5 = 3.14 ft/s

V4 = 2.04 ft/s V3 = 3.63 ft/s

V2 = 3.07 ft/s

V1 = 3.4 ft/s

Average velocity (in the bar screen area)

Time = 2540 sec.

1

2

34

5

6

(velocity color scale is the actual velocity )

88.76 %

98.6 %

100 % 80.13 %

95.19 %

80.12 %

Percent of bar screen area at or below 4 ft/s

1

2

34

5

6

Time = 2540 sec.

(velocity color scale is the actual velocity )

1

23

4

5

6

Velocity contour through each bar screen

Time = 2540 sec.

(velocity color scale is the actual velocity )

Iso-view 1

1

234

5

6

Velocity contour through each bar screen

Time = 2540 sec.

(velocity color scale is the actual velocity )

Iso-view 2

1

2

3

45

6

Velocity contour through each bar screen

Time = 2540 sec.

(velocity color scale is the actual velocity )

Iso-view 3

Velocity contour at different locations with different color scales

Time = 2540 sec.

Plot of velocity contours with vectors(slice plane cut at elevation 476 ft.)

Isometric View

Same with slide 10 with different color scale

Time = 2540 sec.

Time = 2540 sec.

Iso-surface plot of water colored with velocity magnitude

Isometric View

Iso-surface plot of water colored with velocity magnitude

Isometric View

Same with slide 10 with different color scale

Time = 2540 sec.

same with slide 11 but different color scale