期刊
AIAA JOURNAL
卷 61, 期 1, 页码 475-488出版社
AMER INST AERONAUTICS ASTRONAUTICS
DOI: 10.2514/1.J062168
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Pressure vessels are widely used in various industries, including hydrogen storage and aircraft fuselages. Designing pressure vessels involves considering factors such as failure performance, weight, and packing efficiency. This study develops an initial design methodology for bend-free super ellipsoids of revolution to withstand both uniform internal pressure and thermal loads.
Pressure vessels are widely used in a broad range of applications in many industries, including possible use for hydrogen storage. Additionally, pressure vessels comprise non-circular-cross-section fuselages such as in blended-wing-body aircraft. Failure performance, weight, and packing efficiency are important factors that should be considered when designing pressure vessels. Often, lightweight pressure vessels maximize their volume for a given available space volume and withstand substantial internal pressure. Bend-free super ellipsoids of revolution, enabled by stiffness tailoring via variable-angle tow placement of composite plies, present an appealing solution that makes them possible candidates for future composite pressure vessels. To date, the bend-free design methodology for super ellipsoids of revolution has only been developed under uniform internal pressure loading. However, in reality, pressure vessels can also be subjected to thermal loads during service. Therefore, this study develops an initial bend-free design methodology for super ellipsoids of revolution that are subjected to both uniform internal pressure and thermal loads.
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