Numerical analysis of multiaxial test setup for composite cryogenic hydrogen tank development

Master thesis (2024)

Authors

M.J. Lentner Aerospace Engineering

Contributors

B. Atli-Veltin Group Dransfeld - Aerospace Engineering (graduation committee member)
Clemens Dransfeld Group Dransfeld - Aerospace Engineering (coach)
Josef Koord Deutsches Zentrum für Luft- und Raumfahrt (DLR) (mentor)
Faculty
Aerospace Engineering, Aerospace Engineering
Copyright: © 2024 Mateusz Lentner
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Published Date

16-02-2024

Language

English

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Faculty

Aerospace Engineering

Abstract

Hydrogen is one of aviation's most promising fuel alternatives in the coming years. However, to store it, a large and light vessel is needed.

The solution to this problem can be the carbon fibre fuel tank. Composite structures provide significant weight savings, which is crucial in this application. However, despite its superior performance, the hydrogen molecules permeate through the CFRP tank wall. Hence, researchers must first understand the driving phenomena to design a safe and robust hydrogen tank. The only proven way to do this is through experiments, but they must also be carefully considered to deliver representative results.

In this research, the question of how to perform the permeation and leakage testing of the CFRP laminates to accurately represent the behaviour of a full-scale hydrogen tank is being answered. The numerical analysis method has been used to evaluate different testing parameters and aid the development of the new testing rig. This thesis is the collaboration between the TU Delft and the DLR.

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