AMS TRD GAS SUPPLY SYSTEM BOX_S Mechanical Structure Corrado Gargiulo* Robert Becker** *INFN Roma1
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AMS TRD GAS SUPPLY SYSTEM AMS TRD GAS SUPPLY SYSTEM BOX_S BOX_S Mechanical Structure Mechanical Structure Corrado Gargiulo* Robert Becker** *INFN Roma1 **MIT CERN, July 16-17 2002
description
AMS TRD GAS SUPPLY SYSTEM BOX_S Mechanical Structure Corrado Gargiulo* Robert Becker** *INFN Roma1 **MIT CERN, July 16-17 2002. USS. Mixing tank. z. x. y. C.GARGIULO. CERN 16 07 2002. “ Box_S ” Mechanics Lay-out. Upper USS Interface. Brackets. XENON tank. CO2 tank. - PowerPoint PPT Presentation
Transcript of AMS TRD GAS SUPPLY SYSTEM BOX_S Mechanical Structure Corrado Gargiulo* Robert Becker** *INFN Roma1
AMS TRD GAS SUPPLY SYSTEMAMS TRD GAS SUPPLY SYSTEM
BOX_SBOX_SMechanical StructureMechanical Structure
Corrado Gargiulo*Robert Becker**
*INFN Roma1**MIT
CERN, July 16-17 2002
AMS TRD GAS SUPPLY SYSTEMAMS TRD GAS SUPPLY SYSTEM
BOX_SBOX_SMechanical StructureMechanical Structure
Corrado Gargiulo*Robert Becker**
*INFN Roma1**MIT
CERN, July 16-17 2002
““Box_S Box_S ” Mechanics Lay-out” Mechanics Lay-out““Box_S Box_S ” Mechanics Lay-out” Mechanics Lay-out
Upper USS Interface
Lower USS Interface
XENON tank
CO2 tank
Brackets
Plate Weight 12 kgMaterial Al alloy 7050 T7451Overall dimension 154.875 X 557 X 863 mm
Mixing tank
USS
C.GARGIULO
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xy
z
““Box_S Box_S ” Geometry updates” Geometry updates““Box_S Box_S ” Geometry updates” Geometry updates
C.GARGIULO
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USS Upper Trunnion Bridge Beam section
from 6 inches to 5 inches
Corner Cut
Side rib thickness from 3 mm to 5 mm
OLD NEW
Additional rib
Additional rib
Material : Al 7075 T6 Material : Al 7050 T7451
Chamfers from R 5 mm to R 10 mm
RR
R
““Box_S Box_S ” FEA: new model” FEA: new model““Box_S Box_S ” FEA: new model” FEA: new model
ASSEMBLYPLATEPLATE CHAMFERS
MIX_TANK BRACKETS
C.GARGIULO
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R
R
R
Xe / CO2 TANKS BRACKETS
Ux Uy Uz0 0 0
Ux Uy Uz9.301 2.350 2.746
x y z Yeld (1.25) Ultimate (2)13 3,25 3,25 132 0,75 3,3 3,6
3,25 13 3,25 149 0,77* 3,0 4,23,25 3,25 13 91 0.36 4,8 5,2-13 -3,25 -3,25 157 1,45 2,8 3,6
-3,25 -13 -3,25 189 1,10 2,3 2,4-3,25 -3,25 -13 87 0,57 5,1 5,0
Safety FactorAcceleration (g) Max Stress (VM) (MPa)
Max Displacement (mm)
Lower USS displaced
RESULTSLOADS:
Upper USS clampedRESTRAINTS:
xy
z
C.GARGIULO
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““Box_S Box_S ” FEA: STATIC ANALYSIS ” FEA: STATIC ANALYSIS ““Box_S Box_S ” FEA: STATIC ANALYSIS ” FEA: STATIC ANALYSIS
* @ Xe bracket
““Box_S Box_S ” FEA: STATIC ANALYSIS ” FEA: STATIC ANALYSIS Inertial load (Inertial load (1313, 3.25, 3.25)g, 3.25, 3.25)gAttachement points relative deflection (9.301, 2.350,2.746)Attachement points relative deflection (9.301, 2.350,2.746)
““Box_S Box_S ” FEA: STATIC ANALYSIS ” FEA: STATIC ANALYSIS Inertial load (Inertial load (1313, 3.25, 3.25)g, 3.25, 3.25)gAttachement points relative deflection (9.301, 2.350,2.746)Attachement points relative deflection (9.301, 2.350,2.746)
C.GARGIULO
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x
y
z
1.32E+002N/mm^2
7.55E- 001mm
x
z
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1.49E+002N/mm^2
7.74E- 001mm
““Box_S Box_S ” FEA: STATIC ANALYSIS ” FEA: STATIC ANALYSIS Inertial load (3.25, Inertial load (3.25, 1313, 3.25)g, 3.25)gAttachement points relative deflection (9.301, 2.350,2.746)Attachement points relative deflection (9.301, 2.350,2.746)
““Box_S Box_S ” FEA: STATIC ANALYSIS ” FEA: STATIC ANALYSIS Inertial load (3.25, Inertial load (3.25, 1313, 3.25)g, 3.25)gAttachement points relative deflection (9.301, 2.350,2.746)Attachement points relative deflection (9.301, 2.350,2.746)
xy
z
x y z1 64.29 0.0331 0.7258 0.004365
2 74.16 0.2743 0.0667 0.03178
3 95,04 0.0045 0.0284 0.0012
4 115,06 0.01375 0.00124 0.0016
5 163,17 0.0459 0.0009 0.007
6 197,59 0.3747 0.0003 0.004
7 239,82 0.0450 0.0015 0.050
8 262.41 0.0001 0.073 0.002
9 282,67 0.0005 0.009 0.0049
10 342,65 0.0856 0.0002 0.3468
Normalized effective massMode Frequency (Hz)
““Box_S Box_S ” FEA: ” FEA: MODAL ANALYSIS MODAL ANALYSIS OLDOLD ““Box_S Box_S ” FEA: ” FEA: MODAL ANALYSIS MODAL ANALYSIS OLDOLD
C.GARGIULO
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x
zx
z
y
First mode 64,29 Hz
y
z
x
z
Second mode 74.16 Hz
““Box_S Box_S ” FEA: MODAL ANALYSIS ” FEA: MODAL ANALYSIS New model Vs OldNew model Vs Old
““Box_S Box_S ” FEA: MODAL ANALYSIS ” FEA: MODAL ANALYSIS New model Vs OldNew model Vs Old
OLD
NEW 1st mode: 74.0Hz
1st mode: 64.3 Hz
Xe Bracket Area
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““Box_S Box_S ” FEA: ” FEA: MODAL ANALYSIS MODAL ANALYSIS NEW NEW ““Box_S Box_S ” FEA: ” FEA: MODAL ANALYSIS MODAL ANALYSIS NEW NEW
x y z
1 74,023 0.2701 0.14496 0.0254
2 87,867 0.0414 0.6649 0.0050
3 109,842 0.1160 0.0009 0.0003
4 126,063 0.0153 0.0050 0.0037
5 148,756 0.00187 0.0010 0.0030
6 169,017 0.0022 0.0000 0.0005
7 177,985 0.1218 0.0020 0.0001
8 204,05 0.2444 0.0042 0.0065
9 217,405 0.00943 0.0221 0.0337
10 256,739 0.0447 0.0000 0.0038
Normalized effective massMode Frequency (Hz)
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x
z
y
z
x
1st mode: 74,0 Hz
2nd mode: 87,9 Hz
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““Box_S Box_S ” Production ” Production ““Box_S Box_S ” Production ” Production
