Advancing Hydrogen Storage In Aviation: Analysing Load Introduction In All-composite Double-walled Vacuum-insulated Cryo-compressed Vessels
Analysing Load Introduction In All-composite Double-walled Vacuum-insulated Cryo-compressed Vessels
V.K. Poorte (TU Delft - Group van Campen)
O.K. Otto (TU Delft - Group Bergsma)
Julien M.J.F. van Campen (TU Delft - Group van Campen)
R.C. Alderliesten (TU Delft - Group Alderliesten)
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Abstract
Vacuum-insulated, all-composite hydrogen storage vessels are promising for achieving viable gravimetric and volumetric efficiencies in aviation applications. However, stress concentrations arise due to the connections between the composite shells and to the surrounding structure. This study develops analytical models which capture the stress state of composite cylinders subjected to pressure loading and discrete in-plane edge loads. The models allow for easy adjustments in tank geometry, lamination, and load introduction parameters, including the number and width of connection points. This aids in the preliminary structural and thermal analysis of composite hydrogen storage vessels, pushing the implementation of hydrogen as a sustainable fuel for aviation.
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