Small-Scale Enclosure for Characterizing the Fire Buildup Potential of a Room. Final Report.
Small-Scale Enclosure for Characterizing the Fire
Buildup Potential of a Room. Final Report.
(1308 K)
Parker, W. J.; Lee, B. T.
NBSIR 75-710; 23 p. June 1975.
Sponsor:
Department of the Navy, Washington, DC
Available from:
National Technical Information Service
Order number: COM-75-11030
Keywords:
fire growth; fire tests; flashover; room fires; scale
models; thermal radiation; oxygen concentration
Abstract:
A 0.76 by 0.76 m (30 inch) enclosure with a 0.61 m (24
inch) high ceiling was used to model some fires in a 3 x
3 x 2.4 m (10 x 10 x 8 ft) burnout room. Temperatures,
oxygen concentrations, air velocity, and conductive and
radiative heat fluxes were measured. The highest
averaga air temperature in the upper part of the room
was taken as a measure of the fire buildup potential of
the room. Upper air temperatures attained in the model
were similar in most cases to those in the full-scale
compartment. From energy balance considerations this
air temperature was related to the oxygen depletion in
the room and was shown to correlate well with the oxygen
content of the combustion gas and air exhausting from
the model and full-scale room fires.
