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CFD investigation of filling and emptying of hydrogen tanks

Abstract

During the filling of hydrogen tanks high temperatures can be generated inside the vessel because of the gas compression while during the emptying low temperatures can be reached because of the gas expansion. The design temperature range goes from −40 °C to 85 °C. Temperatures outside that range could affect the mechanical properties of the tank materials. CFD analyses of the filling and emptying processes have been performed in the HyTransfer project. To assess the accuracy of the CFD model the simulation results have been compared with new experimental data for different filling and emptying strategies. The comparison between experiments and simulations is shown for the temperatures of the gas inside the tank, for the temperatures at the interface between the liner and the composite material, and for the temperatures on the external surface of the vessel.

Related subjects: Safety
Countries: Netherlands
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/content/conference763
2015-10-19
2021-07-24
http://instance.metastore.ingenta.com/content/conference763
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CFD investigation of filling and emptying of hydrogen tanks

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