Comparison of Modelling Approaches for CFD Simulations of High Pressure Hydrogen Releases
Several approaches have been used in the past to model the source of a high pressure under-expanded
jet such as the computationally expensive resolution of the jet shock structure and the simpler pseudosource
or notional nozzle approaches. In each approach assumptions are made introducing
inaccuracies in the CFD calculations. This work assesses the effect of different source modeling
approaches on the accuracy of CFD calculations by comparing simulation results to experimental data
of the axial distribution of the flow velocity and H2 concentration.
PAPANIKOLAOU Efthymia;
BARALDI Daniele;
2011-11-30
IA-HySafe, University di Pisa, Sandia National Laboratories
JRC62298
www.ichs2011.com,
https://publications.jrc.ec.europa.eu/repository/handle/JRC62298,
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