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Smoke Deposition Velocity in Industrial Fire Environments

Newman, J.S., Su P. and Yee G., 2011. Smoke Deposition Velocity in Industrial Fire Environments. Fire Safety Science 10: 655-668. 10.3801/IAFSS.FSS.10-655


Smoke deposition velocities, measured in a 1.0-m3 smoke exposure chamber, have been related to the decay in local smoke exposure concentrations as well as the smoke particle characteristics. These velocities, on the order of 10-4 m/s, are consistent with previous experimental work in a large-scale 1200 m3 enclosure. Calculated deposition velocities are in reasonable agreement with measured values, but tend to be under-predicted, most likely due cloud settling effects associated with the smoke layer movement.

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