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The National Institute for Occupational Safety and Health (NIOSH)





Mining Publication: A Study of Leakage Rates Through Mine Seals in Underground Coal Mines
Keywords: Seals Ventilation
Original creation date: January 2016
Authors: SJ Schatzel, RB Krog, A Mazzella, CA Hollerich, EN Rubinstein
Peer Reviewed Journal Article - January 2016
Go to Web Page
NIOSHTIC2 Number: 20046122
Int J Min Reclam Environ 2016 Jan; 30(2):165-179
The National Institute for Occupational Safety and Health conducted a study on leakage rates through underground coal mine seals. Leakage rates of coal bed gas into active workings have not been well established. New seal construction standards have exacerbated the knowledge gap in our understanding of how well these seals isolate active workings near a seal line. At a western US underground coal mine, we determined seal leakage rates ranged from about 0 to 0.036 m3/s for seven 340 kPa seals. The seal leakage rate varied in essentially a linear manner with variations in head pressure at the mine seals.
Cover page for A Study of Leakage Rates Through Mine Seals in Underground Coal MinesPeer Reviewed Journal Article - January 2016
Go to Web Page
NIOSHTIC2 Number: 20046122
Int J Min Reclam Environ 2016 Jan; 30(2):165-179
See Also
Comparison of Methods: Dynamic Versus Hydrostatic Testing of Mine Ventilation Seals
Development and Application of Reservoir Models and Artificial Neural Networks for Optimizing Ventilation Air Requirements in Development Mining of Coal Seams
Evaluating Ventilation Parameters of Three Coal Mine Gobs
Evaluation of the Relative Importance of Coalbed Reservoir Parameters for Prediction of Methane Inflow Rates During Mining of Longwall Development Entries
Explosion Pressure Design Criteria for New Seals in U.S. Coal Mines
Mine Roof Simulator (MRS) Laboratory
Modeling and Prediction of Ventilation Methane Emissions of U.S. Longwall Mines Using Supervised Artificial Neural Networks
Modeling the Effect of Seal Leakage on Spontaneous Heating in a Longwall Gob Area
Progress Toward Improved Engineering of Seals and Sealed Areas of Coal Mines
Strengthening Existing 20-psi Mine Ventilation Seals With Carbon Fiber-Reinforced Polymer Reinforcement
Ventilation Overview
Page last reviewed: April 25, 2016
Page last updated: April 25, 2016
Content source: National Institute for Occupational Safety and Health, Mining Program
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