Post on 07-Jul-2018
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Wind Effects and SprayEnhancement Test Plans
John S. Maulbetsch
Michael N. DiFilippo
CEC/EPRI Advanced Cooling Strategies/Technologies Conference
Sacramento, California
May 31---June 2, 2005
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2
AAHE--Retrofit
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3
CondensingMedia
Ducting
Wet Fill
Cool
Ambient Air
Cool
Ambient Air
HotWater
Marley AAHE--New Tower
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N
0’ 20’ 40’
Stairway
Visual Screen
Visual Screen
Exterior Walkway
Wind Wing
4J
2J
3J
1J
4I
2I
3I
1I
4H
2H
3H
1H
4G
2G
3G
1G
4F
2F
3F
1F
Fan Screen Support
Cell Arrangement
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Reflux cells
Primary spray test cell
Candidate fan monitoring cells for wind study(Four or five to be chosen----three
upwind; one interior; one downwind)
N
1A
4B 3B 2B 1B
4A 3A 2A
4C 3A 2A 1A
4D 3C 2C 1C
4E 3E 2E 1E
4F 3F 2F 1F
4G 3G 2G 1G
4H 3H 2H 1H
1J
4I 3I 2I 1I
Prevailing Winds---Summer
4J 3J 2J
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Air Velocity
Measurements
A A
A A
Prevailing Winds---Summer
B BB
Anemometer locations :
A: four at points of maximum
velocity; B---6 radially distributed
B BB
Fan bridge
Hub
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Test Cell 2I – Full Array(isometric)
Spray Nozzle
8-Spray Pattern
4-Spray Pattern
Upper, Mid
& Lower Level
Spray Patterns
Beneath-the-Fan
Spray Pattern
Upper Sprays
Mid Sprays
Lower Sprays
Beneath-the Fan Sprays
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East Face Perimeter Array(looking West)
Spray Nozzle
0’ 20’ 40’
45’6”
Steam Header
Plenum
Windwall
Exterior Walkway
Visual
Screen
W i n g W a l l
I Cells H CellsJ Cells
Fan Screen
Support
2 1 ’ 0 ”
2 0 ’ 8 ”
2 0 ’ 8 ”
6 2 ’ 4 ”
~49’ Nozzle Elev
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Spray Nozzle
South Face Perimeter Array(looking North)
0’ 20’ 40’
Steam Header
Wind Wall
Wind Wing
VisualScreen
Visual
Screen
41’8”
Plenum
2 1 ’ 0
”
2 0 ’ 8 ”
2 0 ’ 8 ”
6 2 ’ 4 ”
Exterior Walkway
Row 1Row 2Row 3Row 4
Fan Screen
Support
~49’ Nozzle Elev
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Spray Nozzle
Test Cell 2I – Array Details
(beneath fan)
0’ 20’ 40’ 60’
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West Face Perimeter Array(looking East)
Spray Nozzle
0’ 20’ 40’
45’6”
Steam Header
Plenum
Windwall
Exterior Walkway
Visual
Screen
Wi n gW al l
I CellsH Cells J Cells
Fan Screen
Support
2 1 ’ 0 ”
2 0 ’ 8 ”
2 0 ’ 8 ”
6 2 ’ 4 ”
~49’ Nozzle Elev