Modeling of Hydrogen Fluoride Formation From Flame Suppressants During Combustion.
Modeling of Hydrogen Fluoride Formation From Flame
Suppressants During Combustion.
Babushok, V. I.; Burgess, D. R. F., Jr.; Linteris, G.
T.; Tsang, W.; Miziolek, A. W.
Halon Options Technical Working Conference.
Proceedings. HOTWC 1995. May 9-11, 1995, Albuquerque,
NM, 239-249 pp, 1995.
combustion; hydrogen fluorides; halons; halon 1301;
flame velocity; computer simulation; halon alternatives
We have completed an initial computational study related
to acid gas formation for two of the leading near-term
Halon substitutes, FE-13 (CF3H) and HFC-125 (C2F5H), and
compared these results with Halon 1301 (CF3Br). Our
goal is to determine whether we can identify conditions
under which HF production can be minimized for the same
inhibiting power, a result that could have significant
practical implications. Our approach is based on
investigating possible differences in the kinetics of HF
formation under different agent loading scenarios using
premixed flame codes with CH4/air as the combusting
system. We consider the situation where suppressants
are mixed with inert compounds such as N2 and CO2 and
deduce the commensurate decreased in hydrogen fluoride
yields to obtain the same degrees of suppressant
capability. This work clearly illustrates the great
potential of computational simulations as a tool for
identifying specific agent configurations for maximized
performance. Other areas of possible future application
of simulations are indicated.