NDLI: Numerical simulation and application study on a remote emergency rescue system during a belt fire in coal mines

Content Provider	Springer Nature Link
Author	Wang, Kai Jiang, Shuguang Ma, Xiaoping Wu, Zhengyan Shao, Hao Zhang, Weiqing Cui, Chuanbo
Copyright Year	2016
Abstract	Once initiated, coal mine belt fires can develop rapidly, and if improperly controlled, these fires could easily lead to the airflow disorders that undermine the function of the ventilation system, and the smoke plume could lead to heavy casualties. However, belt fires can be effectively prevented by establishing a fire smoke plume control system. According to the characteristics of fire smoke plume control in the ventilation network, models of ventilation systems are analyzed, and different methods of fire emergency rescue systems are designed. A mathematical model for fire smoke flow was developed based on the west-wing mining area in Long-Dong coal mine. The distributions of the smoke parameters and airflow temperature on the roadway before and after performing the smoke flow control measures were simulated by Fluent software. The results indicate that 37 min after the fire began, the smoke plume had invaded all of the roadways in the west-wing mining area. The average temperature of the roadway in the west mining area is 332 K, the O$_{2}$ concentration is 14.8 %, the CO$_{2}$ concentration is 5.1 % and the highest concentration of CO is 0.98 %. In this environment, miners in distress are unable to survive. A function to adjust the opening degree of the air-doors was designed, and the air volume control of the key branches was realized during a fire emergency rescue. A permanent refuge chamber was situated in the mining area to provide a safe shelter for miners when a disaster occurs. Many field exercises have verified the combined function of the emergency rescue system and refuge chamber to ensure the security of the miners in the underground coal mine.
Starting Page	1463
Ending Page	1485
Page Count	23
File Format	PDF
ISSN	0921030X
Journal	Natural Hazards
Volume Number	84
Issue Number	2
e-ISSN	15730840
Language	English
Publisher	Springer Netherlands
Publisher Date	2016-08-24
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Belt fire Smoke plume control Emergency rescue Refuge chamber Numerical simulation Natural Hazards Hydrogeology Geophysics/Geodesy Geotechnical Engineering & Applied Earth Sciences Civil Engineering Environmental Management
Content Type	Text
Resource Type	Article
Subject	Atmospheric Science Water Science and Technology

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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