VIII.6  Hydrogen Safety Panel, Safety Knowledge Tools and First Responder Training Resources

Fuel Cell Basics and ApplicationsProperties of HydrogenPrimary Codes and StandardsFundamental Safety ConsiderationsHydrogen Safety ResourcesFirst Responder Training ResourcesConcluding Thoughts

The purpose of this guide is to provide basic background information on hydrogen technologies.It is not intended to be a comprehensive collection of hydrogen technologies safety information.

It has been suggested that separation or safety distances for pressurised hydrogen storage can be reduced by the inclusion of walls or barriers between the hydrogen storage and vulnerable plant or other items. Various NFPA codes [1] suggest the use of 60
inclined fire barriers for protection against jet flames in preference to vertical ones. Work by Sandia National Laboratories [2] included experiments and modeling aimed at characterisation of the effectiveness of barrier walls at reducing hazards.

The Baker-Strehlow-Tang vapor cloud explosion (VCE) blast load prediction methodology utilizes flame speed as a measure of explosion severity. In previous publications, guidance has been presented for selecting flame speeds as a function of congestion, confinement, and fuel reactivity. These recommended values were based on empirical data available from the literature.