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Mining Publication: Determination of Velocity Correction Factors for Real-time Air Velocity Monitoring in Underground Mines
Keywords: Airflow Monitoring
Original creation date: December 2017
Authors: L Zhou, L Yuan, R Thomas, A Iannacchione
Peer Reviewed Journal Article - December 2017
Go to Web Page
NIOSHTIC2 Number: 20050741
Int J Coal Sci Technol 2017 Dec; 4(4):322-332
When there are installations of air velocity sensors in the mining industry for real-time airflow monitoring, a problem exists with how the monitored air velocity at a fixed location corresponds to the average air velocity, which is used to determine the volume flow rate of air in an entry with the cross-sectional area. Correction factors have been practically employed to convert a measured centerline air velocity to the average air velocity. However, studies on the recommended correction factors of the sensor-measured air velocity to the average air velocity at cross sections are still lacking. A comprehensive airflow measurement was made at the Safety Research Coal Mine, Bruceton, PA, using three measuring methods including single-point reading, moving traverse, and fixed-point traverse. The air velocity distribution at each measuring station was analyzed using an air velocity contour map generated with Surfer. The correction factors at each measuring station for both the centerline and the sensor location were calculated and are discussed.
First page of Determination of Velocity Correction Factors for Real-time Air Velocity Monitoring in Underground MinesPeer Reviewed Journal Article - December 2017
Go to Web Page
NIOSHTIC2 Number: 20050741
Int J Coal Sci Technol 2017 Dec; 4(4):322-332
See Also
Advances in Remote Sensing Techniques for Monitoring Rock Falls and Slope Failures
Applications of Ground-Based Radar to Mine Slope Monitoring
Experimental and Modeling Investigation of the Effect of Ventilation on Smoke Rollback in a Mine Entry
In-depth Survey Report: Control Technology for Environmental Enclosures - The Effect of Wind Speed Upon Aerosol Penetration Into an Enclosure at Clean Air Filter, Defiance, IA
Measurement of Airflow in a Simulated Underground Mine Environment Using an Ultrasonic Anemometer
Monitoring and Removal of CO in Blasting Operations
Performance Comparison of Rescue Breathing Apparatus
Remote Monitoring of Mine Seismicity and Earthquakes Using Radio Telemetry, Computers, and the Internet
Safer Mine Hoisting With Conveyance Position and Load Monitoring
Work Practices to Manage Bump Prone Ground
Page last reviewed: May 10, 2018
Page last updated: May 10, 2018
Content source: National Institute for Occupational Safety and Health, Mining Program
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