Validation of CFD Models for Hydrogen Fast Filling Simulations
High injection pressures are used during the re-fueling process of vehicle tanks with compressed
hydrogen, and consequently high temperatures are generated in the tank, potentially jeopardizing the
system safety. Computational Fluid Dynamics (CFD) tools can help in predicting the temperature rise
within vehicle tanks, providing complete and detailed 3D information on flow features and
temperature distribution. In this framework, CFD simulations of hydrogen fast filling at different
working conditions are performed and the accuracy of the numerical models is assessed against
experimental data for a type 4 tank up to 70 MPa. Sensitivity analyses on the main modeling
parameters are carried out in compliance with general CFD Best Practice Guidelines.
GALASSI Maria Cristina;
PAPANIKOLAOU Efthymia;
HEITSCH Matthias;
BARALDI Daniele;
ACOSTA IBORRA Beatriz;
MORETTO Pietro;
2011-11-30
IA-HySafe, University di Pisa, Sandia National Laboratories
JRC62295
www.ichs2011.com,
https://publications.jrc.ec.europa.eu/repository/handle/JRC62295,
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