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Mining Publication: Simulation of Methane Flows in Noncoal Mines
Keywords: Faces Methane
Original creation date: January 1984
Authors: AB Cecala, ED Thimons
Report of Investigations - January 1984
Download PDF Document (0.53 MB)
NIOSHTIC2 Number: 10003851
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 8880, 1984 Jan; :1-9
The Bureau of Mines has successfully tested a method to simulate methane (CH4) flows from face areas through the returns of noncoal mines. This technique involves releasing a small quantity of tracer gas at a working area and sampling for that gas downstream in the return airways. By measuring the dilution of the tracer gas, the dilution of any volume of CH4 released at the face can be calculated. This information is useful in selecting locations for CH4 monitors and in deciding the necessity for permissible equipment in the returns.
Image of publication Simulation of Methane Flows in Noncoal MinesReport of Investigations - January 1984
Download PDF Document (0.53 MB)
NIOSHTIC2 Number: 10003851
Pittsburgh, PA: U.S. Department of the Interior, Bureau of Mines, RI 8880, 1984 Jan; :1-9
See Also
CFD Modeling of Methane Distribution at a Continuous Miner Face With Various Curtain Setback Distances
Comparison of Methane Concentrations at a Simulated Coal Mine Face During Bolting
Effect of Water Sprays on Airflow Movement and Methane Dilution at the Working Face
Effects of Water Sprays Used With a Machine-Mounted Scrubber on Face Methane Concentrations
Guidelines for the Control and Monitoring of Methane Gas on Continuous Mining Operations
Impact of Unbalanced Intake and Scrubber Flows on Face Methane Concentrations
Predicting Methane Emissions from Longer Longwall Faces by Analysis of Emission Contributors
Prediction of Longwall Methane Emissions and the Associated Consequences of Increasing Longwall Face Lengths: A Case Study in the Pittsburgh Coalbed
Technology News 465 - Method for Predicting Methane Emissions on Extended Longwall Faces
Using Ultrasonic Anemometers to Evaluate Face Ventilation Conditions
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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