ply stack up optimization of a fomula student cfrp-rim · 2017-01-17 · s tarkstrom augsburg e.v....
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Ply Stack Up Optimization of a Fomula Student CFRP-Rim
Alexander Grassl
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Agenda
• Formula Student
• Starkstrom Augsburg e.V.
• Current Status
• CFRP-Hybrid Rim
• Optimization
• Weight Comparison
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Formula Student
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• 152 FSE Teams from 37 Countries• 419 FSC Teams from 52 Countries
Starkstrom Augsburg e.V.
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UASA1504 – Cedur
Weight 252 kg
Power 80 kW
Torque 1200 Nm
Acceleration 0-100 km/h – 3,2 sec
Current Status
• 13“ Aluminum Rim
• 3500g Weight
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CFK-Hybrid Rim
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• Wheel Star made out of high strength Aluminum
• External laminated Rim Base from CFRP Prepreg Fabric
• 2 Component Epoxy bonding on large surface area
• Additional Bolting
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CFK-Hybrid Rim
CFK-Hybrid Rim
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• Biaxial Chassis Dynamometer
• Realistic Load Condition
Optimization - Workflow
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Optimization – Sensitivity Analysis
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Optimization - Results
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Optimized CFRP-Hybrid
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Weight Comparison
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• Weight Reduction Wheel Base: 18%
• Weight Reduction Overall: 40%
Supporter
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