AbbreviationMeaning
achair changes per hour
barggauge pressure in bar
BBDBuilding Burning Distance
BLEVEBoiling Liquid Expanding Vapour Explosion
CFDComputational Fluid Dynamics
CCH2Cryo-Compressed Hydrogen
CGH2Compressed Gaseous Hydrogen
cryogenic(s)Corresponds to temperatures below 120 K
DDT Deflagration to Detonation Transition
evaporatetransition liquid to gaseous at temperatures below boiling temperature
HAZIDHazard Identification
GH2Gaseous Hydrogen
LFL Lower Flammable Limit
UFL Upper Flammable Limit
LH2Liquid Hydrogen (sometimes Liquefied Hydrogen); refers to temperatures < 20.3 K at standard pressure
LNGLiquefied Natural Gas
LOCLoss Of Containment
MRMixed Refrigerant
RPTRapid Phase Transition
RTARoad Traffic Accident
QRAQuantitative Risk Assessment
QRM Qualitative Risk Matrix
vaporisetransition liquid to gaseous at boiling temperature
VCEVapour Cloud Explosion