A computational fluid dynamic model of fire burning rate and extinction by water sprinkler

作者: V. Novozhilov , D. J. E. Harvie , A. R. Green , J. H. Kent

DOI: 10.1080/00102209708935629

关键词: Computational fluid dynamicsExtinguishmentMeteorologyExtinction (optical mineralogy)Heat fluxThermocoupleMass fluxFluid dynamicsChemistryFirefightingMechanics

摘要: A computational fluid dynamic (CFD) study is combined with an experimental program to develop a model of burning rate and extinction in fires.The ultimate objective predict extinguishment by water droplets thereby determine the requirement for actual fires. The experimental,program conducted full-size fire gallery commercial sprinkler system installed roof. Water droplet size distribution, velocities mass flux from are measured as inputs computations. Horizontal sheets polymethylmethacrylate I metre square uniformly ignited burned draft about m/s. Burning rates monitored load cell when well established, actuated. video record together thermocouple heat measurements used time event describe process. primary mechanism considered be due cooling PMMA surface below...

参考文章(29)
Takashi Kashiwagi, Fire safety science : proceedings of the Fourth international symposium International Association for Fire Safety Science]. ,(1994)
Brian Langford, G. Cox, Fire safety science : proceedings of the third international symposium Elsevier Applied Science. ,(1991)
B.F. Magnussen, B.H. Hjertager, On mathematical modeling of turbulent combustion with special emphasis on soot formation and combustion Symposium (International) on Combustion 16 (1) , pp. 719-729. ,vol. 16, pp. 719- 729 ,(1977) , 10.1016/S0082-0784(77)80366-4
B.S. Gottfried, C.J. Lee, K.J. Bell, The leidenfrost phenomenon: film boiling of liquid droplets on a flat plate International Journal of Heat and Mass Transfer. ,vol. 9, pp. 1167- 1188 ,(1966) , 10.1016/0017-9310(66)90112-8
F.C. Lockwood, N.G. Shah, A new radiation solution method for incorporation in general combustion prediction procedures Symp. (Int.) Combust., (Proc.); (United States). ,vol. 18, pp. 1405- 1414 ,(1981) , 10.1016/S0082-0784(81)80144-0
R. Bilger, Computational Field Models In Fire Research And Engineering Fire Safety Science. ,vol. 4, pp. 95- 110 ,(1994) , 10.3801/IAFSS.FSS.4-95
A.P. Mann, J.H. Kent, A computational study of heterogeneous char reactions in a full-scale furnace Combustion and Flame. ,vol. 99, pp. 147- 156 ,(1994) , 10.1016/0010-2180(94)90086-8
W. K. Chow, Y. L. Cheung, Simulation of sprinkler-hot layer interaction using a field model Fire and Materials. ,vol. 18, pp. 359- 379 ,(1994) , 10.1002/FAM.810180604
C. T. Crowe, M. P. Sharma, D. E. Stock, The Particle-Source-In Cell (PSI-CELL) Model for Gas-Droplet Flows Journal of Fluids Engineering. ,vol. 99, pp. 325- 332 ,(1977) , 10.1115/1.3448756
Renwei Mei, Christopher J. Lawrence, Ronald J. Adrian, UNSTEADY DRAG ON A SPHERE AT FINITE REYNOLDS NUMBER WITH SMALL FLUCTUATIONS IN THE FREE-STREAM VELOCITY Journal of Fluid Mechanics. ,vol. 233, pp. 613- 631 ,(1991) , 10.1017/S0022112091000629