January 2021
Volume 73    Issue 1

An improved method to calculate the heat release rate of a mine fire in underground mines

Zhou, Lihong; Yuan, Liming; Thomas, Rick; Bahrami, Davood; Rowland, James

ABSTRACT:

Continuous monitoring of carbon monoxide and other fire-related parameters by means of an atmospheric monitoring system (AMS) is used in the mining industry for early fire detection. Researchers at the U.S. National Institute for Occupational Safety and Health (NIOSH) have developed a direct method to calculate the fire heat release rate (HRR) when a mine fire is close to the AMS sensors, but this method is only applicable to the case where a fire occurs in AMS-monitored airways. This paper presents an improved method for determining the fire HRR using AMS sensor data at any location downstream of the fire. The method was validated using a full-scale diesel fire test conducted in the Safety Research Coal Mine at NIOSH’s Pittsburgh Mining Research Division.

 

Full-text paper:
Mining, Metallurgy & Exploration (2020) 37:1941–1949, https://doi.org/10.1007/s42461-020-00276-9

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