Dynamic Characterization and Damping Enhancement Mechanism of Carbon Fiber Reinforced Hybrid Structures for Aerospace Electronics
Jun Rao, Qiaoxin Zhang, Yu Feng, Meng Wei, Wentao Yang
TL;DR
This paper presents a lightweight carbon fiber DCC for aerospace cockpits that reduces weight by 40% while maintaining mechanical and damping performance.
Contribution
A systematic design methodology for CFRP DCCs that replaces aluminum alloy with improved weight and performance.
Findings
The CFRP DCC achieved a 40% weight reduction compared to aluminum alloy.
The CFRP design met all rigidity, strength, and vibration requirements.
FEA and vibration tests confirmed the feasibility of CFRP for aerospace DCCs.
Abstract
In modern aerospace cockpits, the display and control console (DCC) serves as a critical human–machine interface. Light weight is particularly important in this industry, especially for key equipment such as the DCC. To address the excessive weight of aluminum alloy DCCs while achieving desirable mechanical properties and vibration-damping performance, this study developed a Carbon Fiber Reinforced Polymer (CFRP) DCC; its superior performance was verified through finite element analysis (FEA) and a vibration test. Compared with conventional aluminum alloy structures, the newly designed DCC achieves approximately a 40% weight reduction while meeting all rigidity, strength, and vibration requirements. This study successfully demonstrates the feasibility of using CFRP to replace aluminum alloy in aircraft DCC and provides a systematic design methodology for similar structures.
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Taxonomy
TopicsAeroelasticity and Vibration Control · Advanced Aircraft Design and Technologies · Vibration Control and Rheological Fluids