dark room, dark deeds?aoc.uoregon.edu/documents/presentation_1004/whrcteame.pdf · dark rooms, dark...
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AoCAoC20042004
TEAM E!!!!!!!!!!TEAM E!!!!!!!!!!(and “E” is for “EXCITED”!!!!!!!!!!)(and “E” is for “EXCITED”!!!!!!!!!!)
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Dark Rooms, Dark Rooms, Dark Deeds?Dark Deeds?
Agents of ChangeAgents of ChangeTeam ETeam E
Woods Hole Research CenterWoods Hole Research CenterOctober 15, 2004October 15, 2004
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TEAM MEMBERSTEAM MEMBERSAna “Santa” Maria Ana “Santa” Maria CorzoCorzo“Babbling” Brooke Harrington“Babbling” Brooke HarringtonNathan “Famous” PatrickNathan “Famous” Patrick“Tofu” “Tofu” HofuHofu WuWu
The “Leaders”:The “Leaders”:Heidi Heidi SpalySpalyBruce Bruce HaglundHaglund
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HYPOTHESISHYPOTHESIS
Regardless of orientation, the Regardless of orientation, the natural illumination of the offices natural illumination of the offices on the third floor is within 10% of on the third floor is within 10% of each other.each other.
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METHODOLOGYMETHODOLOGY
1.1. LocationLocation-- 33rdrd floor offices onfloor offices on
perimeter of buildingperimeter of building-- NE, NW, SE, andNE, NW, SE, and
SW orientations SW orientations
2.2. Distance betweenDistance betweenilluminanceilluminance readingsreadings
-- 1 ft, 5 ft, and 9 ft1 ft, 5 ft, and 9 ftfrom windows from windows
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METHODOLOGYMETHODOLOGY
3.3. Time incrementsTime increments-- MidMid--morningmorning
(~9:45 am)(~9:45 am)-- Early afternoonEarly afternoon
(~12:45 pm) (~12:45 pm)
4.4. Measurements takenMeasurements taken-- Light levels in footcandles at 3 Light levels in footcandles at 3
different locations in each office at different locations in each office at about the same timeabout the same time
-- Actual natural daylight levels on roof in Actual natural daylight levels on roof in luxlux
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EQUIPMENTEQUIPMENT
1.1. (4) (4) OsramOsram Sylvania light meters, model Sylvania light meters, model DS 2050DS 2050
2.2. (4) 30(4) 30--in. wooden dowel rodsin. wooden dowel rods
3.3. (1) Li(1) Li--CorCor photometer, model LIphotometer, model LI--250 light 250 light meter with Limeter with Li--CorCor photometric PHphotometric PH--63426342
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DATA & ANALYSISDATA & ANALYSIS
3.09 5.6 2.5 5.2 5.20.6 3.6 2.4 4.8 2.3 0
5.0 3.6 2.6 2.09
9.04
12.4
5.6
10.9 11.1
2
6.1 5.75.4
6.76.6
7.5 8.67.0 8.04
50.5
56.5
32.6
37.943
31.9
39.4 43.3
26.624.7
23.7
46.6
61.2
36.3 36.9
0
10
20
30
40
50
60
70
80
9:4
1
9:4
4
9:4
9
9:4
1
9:4
2
9:3
7
9:4
6
9:3
8
9:4
1
9:4
5
9:4
8
9:3
9
9:4
1
9:3
7
9:3
7
nw sw sw sw se se se se ne ne nw ne nw nw nw
301 302 303 304 305 306 307 elevlobby
308 309 311
footc
an
dle
s
1 foot5 feet9 feet
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DATA & ANALYSISDATA & ANALYSISDaylight Factors in Offices
0.00%
1.00%
2.00%
3.00%
4.00%
5.00%
6.00%
7.00%
8.00%
9.00%
9:41 9:44 9:49 9:41 9:42 9:37 9:46 9:38 9:41 9:45 9:48 9:39 9:41 9:37 9:37
nw sw sw sw se se se se ne ne nw ne nw nw nw
301 302 303 304 305 306 307 elevlobby
308 309 311
9 feet5 feet1 foot
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DATA & ANALYSISDATA & ANALYSIS-- Outdoor Outdoor daylight levels daylight levels around 790 around 790 fcfc
-- Orange Orange shade is shade is DF > 5%DF > 5%
-- Light gray Light gray shade isshade isDF > 1%DF > 1%
-- Dark gray Dark gray shade isshade isDF < 0.5 %DF < 0.5 %
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DATA & ANALYSISDATA & ANALYSISPM Daylight Readings
5.6 9.1 7.1 13.0 8.5 5.3 8.2 4.6 7.7 4.3 0 7.1 5.4 4.1 6.610.5
18.4 13.9
29.6
13.75.5
18.112.0 10.5 7.7 13.5
10.3 10.3 12.217.2
64.6
93.884.6
114.5
78.8
41.3
66.361.2
34.9 43.4 36.1
64.889.9 86.7 78.9
0
20
40
60
80
100
120
140
160
180
12:4
3
12:4
6
12:5
0
12:5
0
12:4
9
12:4
6
12:4
8
12:4
5
12:4
6
12:4
9
12:5
0
12:4
6
12:4
7
12:4
4
12:4
8
nw sw sw sw se se se se ne ne nw ne nw nw nw
301 302 303 304 305 306 307 elevlobby
308 309 311
foo
tcan
dle
s
1 foot5 feet9 feet
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DATA & ANALYSISDATA & ANALYSISPM Daylight Factors in Offices
0.00%
1.00%
2.00%
3.00%
4.00%
5.00%
6.00%
7.00%
8.00%
9.00%
10.00%
9:41 9:44 9:49 9:41 9:42 9:37 9:46 9:38 9:41 9:45 9:48 9:39 9:41 9:37 9:37
nw sw sw sw se se se se ne ne nw ne nw nw nw
301 302 303 304 305 306 307 elevlobby
308 309 311
9 feet5 feet1 foot
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CONCLUSIONSCONCLUSIONSRoom 307 305 302 311 306 303 301
Room 30760% 54% 59% 38% 44% 65%
30540% 5% 36% 30% 11%
30237% 7% 14% 46%
31133% 27% 14%
3069% 43%
30338%
301
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-- In daylight performance, orientation In daylight performance, orientation DOES matter, even under overcast DOES matter, even under overcast sky conditionssky conditions-- Differences among rooms is WAY Differences among rooms is WAY greater than 10%greater than 10%-- On clear days, pullOn clear days, pull--down shades down shades will reduce daylight performance will reduce daylight performance (light shelves or horizontal shades (light shelves or horizontal shades should be considered)should be considered)
CONCLUSIONSCONCLUSIONS
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LESSONS LEARNEDLESSONS LEARNED
-- Maximum difference between rooms was Maximum difference between rooms was 65% (rooms 301 and 307, SW 65% (rooms 301 and 307, SW vsvs NE)NE)-- The new building addition blocks much of The new building addition blocks much of the light to the norththe light to the north--facing roomsfacing rooms-- Dormers reduced amount of possible Dormers reduced amount of possible daylight penetrations into officesdaylight penetrations into offices-- Instrument calibration is criticalInstrument calibration is critical-- Teamwork is very importantTeamwork is very important
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LIFE APPLICATION LESSONSLIFE APPLICATION LESSONS
-- Bubbles are sticky… Bubbles are sticky…
-- Plants in front of Plants in front of windows are bad… windows are bad…