review of window testing november 26, 2001 donna kubik
TRANSCRIPT
![Page 1: Review of Window testing November 26, 2001 Donna Kubik](https://reader033.vdocuments.us/reader033/viewer/2022051819/55165305550346b2068b59a9/html5/thumbnails/1.jpg)
Review of Window testingNovember 26, 2001 Donna Kubik
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Window 2 testsWindow 2 tests
Problem with target motion Evidence
Perform stability testsPermission to use VSTARs at FNAL Survey/Metrology
facility
Comparison with FEA Wing’s (linear + post-yield) FEA Christine’s (linear) FEA
Wing plans to simulate Window 1
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Z position
-120.050
-120.000
-119.950
-119.900
-119.850
-119.800
-119.750
-119.700
-119.650
0 5 10 15 20 25 30
Epoch
Po
sit
ion
(m
m)
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x position
-9.950
-9.900
-9.850
-9.800
-9.750
-9.700
-9.650
0 5 10 15 20 25 30
Epoch
Po
sit
ion
(m
m)
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Checking target stability for Window 1
-0.1
-0.08
-0.06
-0.04
-0.02
0
0.02
0.04
0.06
0.08
0.1
0 20 40 60 80 100 120 140 160
target #
ch
an
ge in
po
sit
ion
fro
m b
eg
inn
ing
to
en
d (
mm
)
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# 1 50psi (training cycle #1)
0
100
200
300
400
500
600
700
800
0 20 40 60 80 100 120 140 160
radius (mm)
De
lta
(u
m)
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80psi
0
100
200
300
400
500
600
700
800
0 20 40 60 80 100 120 140 160
radius (mm)
Del
ta y
(u
m)
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#01 50psi
-100
100
300
500
700
900
0 20 40 60 80 100 120 140 160
radius (mm)
Del
ta (
um
)
delta y (um)
Christine's FEA
Wing's FEA
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#01 50psi
-100
100
300
500
700
900
0 20 40 60 80 100 120 140 160
radius (mm)
Del
ta (
um
)
delta y (um)
Christine's FEA
Wing's FEA
Poly. (Christine's FEA)
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80psi
-200
-100
0
100
200
300
400
500
600
700
800
900
0 20 40 60 80 100 120 140 160
radius (mm)
Del
ta y
(u
m)
delta y (um)
Christine's FEA
Wing's FEA
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80psi
-200
0
200
400
600
800
1000
0 20 40 60 80 100 120 140 160
radius (mm)
Del
ta y
(u
m)
delta y (um)
Christine's FEA
Wing's FEA
Poly. (Wing's FEA)
Poly. (Christine's FEA)
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Improvements/changesImprovements/changes
New projected target patternDecouple window from
pressurization systemNo strain gages
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Density of projected targets
Old slide 15 cm window, 140 targets
New slide 11 cm window, 865 targets 15 cm window, 1297 targets 18 cm window, 1657 targets
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Window 2 before yield 50psi
-100
0
100
200
300
400
500
0 20 40 60 80 100 120 140 160
radius (mm)
del
ta Y
(u
m)
Quadrant 1, 0-90 deg
Quadrant 2, 90-180 deg
Quadrant 3, 180-270 deg
Quadrant 4, 270-360deg
12
3 4
strain gages
fixed targets
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Window 1 Before yield 0.1175MPa (17psi)
-50
0
50
100
150
200
250
300
350
400
0 20 40 60 80 100 120 140 160
radius (mm)
del
ta y
(u
m)
Quadrant 1, 0-90deg
Quadrant 2, 90-180deg
Quadrant 3, 180-270deg
Quadrant 4, 270-360deg
12
3 4
strain gages
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Window 1 Near yield 0.2017MPa (29.2psi)
0
100
200
300
400
500
600
700
0 20 40 60 80 100 120 140 160
Radius (mm)
Del
ta y
(u
m)
Quadrant 1, 0-09deg
Quadrant 2, 90-180deg
Quadrant 3, 180-270deg
Quadrant 4 270-360deg
12
3 4
strain gages
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Window 1 After yield 0.2155MPa (31.2psi)
-100
0
100
200
300
400
500
600
700
800
0 20 40 60 80 100 120 140 160
Radius (mm)
del
ta y
(u
m)
Quadrant 1, 0-90deg
Quadrant 2, 90-180deg
Quadrant 3, 180-270deg
Quadrant 4, 270-360deg
12
3 4
strain gages
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Window 1 just before rupture 0.2495MPa (36.17psi)
0
100
200
300
400
500
600
700
800
900
0 20 40 60 80 100 120 140 160
radius (mm)
del
ta y
(u
m)
Quadrant 1 0-90deg
Quadrant 2 90-180deg
Quadrant 3 180-270deg
Quadrant 4 270-360deg
12
3 4
strain gages