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Mining Publication: Face Ventilation Measurement with Sulfur Hexafluoride (SF6)
Keywords: Faces Sulfur hexafluoride U.S. Bureau of Mines Ventilation
Original creation date: January 1980
Authors: RP Vinson, FN Kissell, JC LaScola, ED Thimons
Report of Investigations - January 1980
Download PDF Document (0.45 MB)
NIOSHTIC2 Number: 10002527
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 8473, 1980 Jan; :1-16
The face ventilation measurement method developed by the Bureau of Mines involves releasing a small volume of tracer gas (SF6) on the off-curtain side of the working face at the start of the mining cycle. At the same time, gas bottle samples are taken in the immediate return airway. The gas samples are analyzed, and a curve is drawn of sf6 concentration versus time. From this curve, the percentage of gas removed per time is calculated. A curve showing a high percentage of the tracer gas removed in a short period would represent a well-ventilated face. The face ventilation measurement method was tested in a full-scale mine entry model. Subsequently it was used underground to evaluate the spray-fan ventilation system and in an MSHA test facility to test machine-mounted scrubbers. The method was shown to be a simple and effective way of evaluating face ventilation systems.
Image of publication Face Ventilation Measurement with Sulfur Hexafluoride (SF6)Report of Investigations - January 1980
Download PDF Document (0.45 MB)
NIOSHTIC2 Number: 10002527
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 8473, 1980 Jan; :1-16
See Also
Coal-Mine Ventilation Factors
Development of Coal Mine Face Ventilation Systems During the 20th Century
The Effects of Water Spray Placement for Controlling Respirable Dust and Face Methane Concentrations
Impact of Unbalanced Intake and Scrubber Flows on Face Methane Concentrations
Mine Face Ventilation: A Comparison of CFD Results Against Benchmark Experiments for the CFD Code Validation
Sulfur Hexafluoride as a Mine Ventilation Research Tool - Recent Field Applications
Technology News 430 - Translucent Face Partition Reduces Longwall Worker's Dust Exposure
Using Sulfur Hexafluoride as a Gaseous Tracer to Study Ventilation Systems in Mines
Using Ultrasonic Anemometers to Evaluate Face Ventilation Conditions
Using Ultrasonic Anemometers to Evaluate Factors Affecting Face Ventilation Effectiveness
Page last reviewed: May 18, 2015
Page last updated: May 18, 2015
Content source: National Institute for Occupational Safety and Health, Mining Program
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