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Mining Publication: CFD Modeling of Fire Spread Along Combustibles in a Mine Entry
Keywords: Coal mining Conveyors Fires Modeling Underground mining
This page is archived for historical purposes and is no longer being maintained or updated.
Original creation date: March 2006
Authors: JC Edwards, CC Hwang
Conference Paper - March 2006
Download PDF Document (0.17 MB)
NIOSHTIC2 Number: 20029914
2006 SME Annual Meeting and Exhibit, March 27-29, St. Louis, Missouri, preprint 06-027. Littleton, CO: Society for Mining, Metallurgy, and Exploration, Inc., 2006; :1-5
A computational fluid dynamics (CFD) program was applied to fire spread along combustibles in a ventilated mine entry. The rate of flame spread was evaluated for the ribs and roof of a coal mine entry, timber sets, and a conveyor belt. The CFD program models char-forming materials with temperature-dependent thermal properties. The program solves three-dimensional time-dependent flow equations with a mixture fraction model for the gas phase reactions. Radiant heat exchange is evaluated for non-scattering gas. The CFD program predicted a flame spread rate of 0.0145 m/sec for an actual coal mine fire in which the estimated flame spread rate was 0.0086 m/sec. This overestimated flame spread rate was a possible consequence of the presence of inert materials in the mine entry's roof and ribs. CFD fire spread rate predictions of 0.043 m/sec and 0.73 m/sec bounded the measured value of 0.27 m/sec for fire spread along Douglas-fir timber sets in a tunnel.
Image of publication CFD Modeling of Fire Spread Along Combustibles in a Mine EntryConference Paper - March 2006
Download PDF Document (0.17 MB)
NIOSHTIC2 Number: 20029914
2006 SME Annual Meeting and Exhibit, March 27-29, St. Louis, Missouri, preprint 06-027. Littleton, CO: Society for Mining, Metallurgy, and Exploration, Inc., 2006; :1-5
See Also
Analysis of Mine Fires for All U.S. Underground and Surface Coal Mining Categories: 1990-1999
Analysis of Underground Coal Mine Fire Incidents in the United States from 1978 through 1992
Fire Detection
Fire Response Preparedness for Underground Mines
Smoke, Carbon Monoxide, and Hydrogen Chloride Production from the Pyrolysis of Conveyor Belting and Brattice Cloth
The Status of Mine Fire Research in the United States
Technology for Remote Mine Seal Construction
An Underground Coal Mine Fire Preparedness and Response Checklist: The Instrument
Understanding Mine Fire Disasters by Determining the Characteristics of Deep-Seated Fires
Variation of Horizontal Stresses and Strains in Mines in Bedded Deposits in the Eastern and Midwestern United States
Water Mist Extinguishment of Pool Fires: A Parametric Approach
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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