Thermo-Mechanical Analysis of Airplane Carbon-Carbon Composite Brakes Using MSC.Marc Z. Wolejsza, A....
-
Upload
robert-dean -
Category
Documents
-
view
252 -
download
9
description
Transcript of Thermo-Mechanical Analysis of Airplane Carbon-Carbon Composite Brakes Using MSC.Marc Z. Wolejsza, A....
![Page 1: Thermo-Mechanical Analysis of Airplane Carbon-Carbon Composite Brakes Using MSC.Marc Z. Wolejsza, A. Dacko, T. Zawistowski, J. Osinski.](https://reader031.fdocuments.us/reader031/viewer/2022020802/5a4d1acf7f8b9ab059970caf/html5/thumbnails/1.jpg)
Thermo-Mechanical Analysis of Airplane Carbon-Carbon Composite Brakes
Using MSC.MarcZ. Wolejsza, A. Dacko, T. Zawistowski, J.
Osinski
![Page 2: Thermo-Mechanical Analysis of Airplane Carbon-Carbon Composite Brakes Using MSC.Marc Z. Wolejsza, A. Dacko, T. Zawistowski, J. Osinski.](https://reader031.fdocuments.us/reader031/viewer/2022020802/5a4d1acf7f8b9ab059970caf/html5/thumbnails/2.jpg)
Wheel – Brake Assembly
![Page 3: Thermo-Mechanical Analysis of Airplane Carbon-Carbon Composite Brakes Using MSC.Marc Z. Wolejsza, A. Dacko, T. Zawistowski, J. Osinski.](https://reader031.fdocuments.us/reader031/viewer/2022020802/5a4d1acf7f8b9ab059970caf/html5/thumbnails/3.jpg)
Tests
![Page 4: Thermo-Mechanical Analysis of Airplane Carbon-Carbon Composite Brakes Using MSC.Marc Z. Wolejsza, A. Dacko, T. Zawistowski, J. Osinski.](https://reader031.fdocuments.us/reader031/viewer/2022020802/5a4d1acf7f8b9ab059970caf/html5/thumbnails/4.jpg)
Experimental Data
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
0
1
2
3
4
5
6
7
8
0
100
200
300
400
500
600
700
800
M h [daNm ]
F[daN]
t [s]
Braking m oment
Load (pressure)
![Page 5: Thermo-Mechanical Analysis of Airplane Carbon-Carbon Composite Brakes Using MSC.Marc Z. Wolejsza, A. Dacko, T. Zawistowski, J. Osinski.](https://reader031.fdocuments.us/reader031/viewer/2022020802/5a4d1acf7f8b9ab059970caf/html5/thumbnails/5.jpg)
FE Model for MSC. Marc
• Axisymmetrical thermo-mechanical problem (transient)
• 5 stators + 4 rotors (C/C composite, mechanical and thermal orthotropy)
• Friction-generated heat fluxes input fromuser subroutine
• Partial use of experimental data (eg. friction)• Convection and radiation
![Page 6: Thermo-Mechanical Analysis of Airplane Carbon-Carbon Composite Brakes Using MSC.Marc Z. Wolejsza, A. Dacko, T. Zawistowski, J. Osinski.](https://reader031.fdocuments.us/reader031/viewer/2022020802/5a4d1acf7f8b9ab059970caf/html5/thumbnails/6.jpg)
FE Model for MSC.Marc
![Page 7: Thermo-Mechanical Analysis of Airplane Carbon-Carbon Composite Brakes Using MSC.Marc Z. Wolejsza, A. Dacko, T. Zawistowski, J. Osinski.](https://reader031.fdocuments.us/reader031/viewer/2022020802/5a4d1acf7f8b9ab059970caf/html5/thumbnails/7.jpg)
FEA Results
![Page 8: Thermo-Mechanical Analysis of Airplane Carbon-Carbon Composite Brakes Using MSC.Marc Z. Wolejsza, A. Dacko, T. Zawistowski, J. Osinski.](https://reader031.fdocuments.us/reader031/viewer/2022020802/5a4d1acf7f8b9ab059970caf/html5/thumbnails/8.jpg)
FEA Results
![Page 9: Thermo-Mechanical Analysis of Airplane Carbon-Carbon Composite Brakes Using MSC.Marc Z. Wolejsza, A. Dacko, T. Zawistowski, J. Osinski.](https://reader031.fdocuments.us/reader031/viewer/2022020802/5a4d1acf7f8b9ab059970caf/html5/thumbnails/9.jpg)
FEA Results
![Page 10: Thermo-Mechanical Analysis of Airplane Carbon-Carbon Composite Brakes Using MSC.Marc Z. Wolejsza, A. Dacko, T. Zawistowski, J. Osinski.](https://reader031.fdocuments.us/reader031/viewer/2022020802/5a4d1acf7f8b9ab059970caf/html5/thumbnails/10.jpg)
FEA Results
• Pressure distribution along contact line (radiuswise) variation in time
![Page 11: Thermo-Mechanical Analysis of Airplane Carbon-Carbon Composite Brakes Using MSC.Marc Z. Wolejsza, A. Dacko, T. Zawistowski, J. Osinski.](https://reader031.fdocuments.us/reader031/viewer/2022020802/5a4d1acf7f8b9ab059970caf/html5/thumbnails/11.jpg)
FEA Results
Temperature on second stator Temperature variation in vicinity of piston
![Page 12: Thermo-Mechanical Analysis of Airplane Carbon-Carbon Composite Brakes Using MSC.Marc Z. Wolejsza, A. Dacko, T. Zawistowski, J. Osinski.](https://reader031.fdocuments.us/reader031/viewer/2022020802/5a4d1acf7f8b9ab059970caf/html5/thumbnails/12.jpg)
Conclusions
• Strong nonuniformity of contact stress• Resulting highly nonuniform temperature
distribution• Clear influence of material orthotropy