Manufacturing Industry
Composite fuselage designed for crashworthiness.(Brief Article)
Advanced Materials & Processes, March, 2000
Crashworthy composite aircraft fuselage structures made of glass / epoxy-fabric and graphite / epoxy-fabric laminates are being designed at NASA Langley Research Center, Hampton, Va. The design goal for protection of passengers against crashes is to limit loads applied to occupants to survivable levels in vertical impacts onto rigid surfaces at a speed of 9.4 m/s (31 ft/s, 21 mph).
The fuselage is divided into four regions, each designed to meet a different set of requirements. The upper region is designed to enclose and protect the occupants, and is made of a stiff sandwich with glass/epoxy face sheets and a polyurethane foam core. The outer shell is made of a relatively compliant glass-epoxy layer that is wrapped around the entire fuselage. The stiff...
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