DisclaimerThe content of this site has been prepared by the members of the thematic network "S2S - A Gateway for Plant and Process safety". Since the conditions of use are beyond our control we disclaim any liability, including patent infringement, incurred in connection with the use of these products, data or suggestions.
The thematic network S2S is a European Community Project carried out in the "Competitive and Sustainable Growth" programme and funded in part by contract number G1RT-CT-2002-05092.
The ratio of density of the vapour compared to the density of air. The density of air is assumed to be 1.0. Vapours with a vapour density greater than 1.0 will tend to stay close to the floor, whereas vapours with a vapour density less than 1.0 will tend to rise.