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You are here: Archives > June 2009 > Hydrogen, Helium Release
June 2009
A Numerical Study of Hydrogen or Helium Release and Mixing in Partially Confined Spaces
Kuldeep Prasad, National Institute of Standards and Technology (NIST)


Development of the hydrogen economy will require a better understanding of the potential for fires and explosions associated with the unintended release of hydrogen within a structure. The ability to predict the mixing and dispersion behavior of hydrogen, when released into a partially confined space (e.g. hydrogen leak from automobiles parked in a residential garage) is critical to the safe use of hydrogen products.