Conceptual Inflatable Fabric Structures for Protective Crew Quarters Systems in Space Vehicles and Space Habitat Structures
Naval Undersea Warfare Center Division Newport, United States
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This paper describes the development of notional inflatabledeployable secondary structures and their potential for use as inflatabledeployable protective crew quarters systems and inflatabledeployable emergency airlock systems concepts aboard manned spacecraft. These notional structures and their components are described, and their system behaviors are evaluated using an explicit commercial finite element analysis code. Additionally, the effects of inflation pressure and mounting methods on their deployed shapes,wrinkling deformations, volume changes, air masses, limit loads, and textile stresses are characterized and discussed. Of paramount importance to the research described in this research are the lessons learned regarding textile materials and mechanics as related to the development of inflatabledeployable textile structures.