Geometric Stability of Cylindrical, Double-Walled Cryogenic Tank Structures
Large cryogenic tank structures typically comprise an inner primary tank designed for the containment of the stored liquid at cryogenic temperatures and a surrounding outer, secondary structure which is exposed to ambient temperature conditions. The temperature differences between the inner and outer tank walls contribute to appreciable relative displacements, particularly during initial cool-down, but also in response to varying inventory levels. A conservative design will generally include some form of positive constraint that assures stable concentricity of the inner and outer tanks during any number of cooldown and warmup cycles.
KeywordsRadial Displacement Tank Wall Ambient Temperature Condition Balsa Wood Geometric Stability
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