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- Research methods and measures:
- Pressure
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Results 1 - 10 of 25
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9/1/2010 - Conference papersThis paper describes the first phase of research aimed at understanding explosion pressures that can develop in coal mines and the factors that lead to high explosion pressure and possible transition to detonation.
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3/1/2010 - Conference papersThe effect of inflow and outflow of gas on the potential spontaneous heating in the gob was investigated using the computational fluid dynamics (CFD) model.
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6/1/2008 - Conference papersThe paper provides: (a) a description of the gas pressure-based design approach to blasting, (b) a simple technique for estimating the damage radius of the buffer row of holes, and (c) a discussion of smoothwall design for the contour row of holes.
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7/1/2007 - Guides and manuals, Information CircularsThis report provides a sound scientific and engineering justification to recommend a three-tiered explosion pressure design criterion for new seals. The recommendations contained herein apply to new seal design and construction in U.S. coal mines.
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11/28/2016 - Contracts and cooperative agreementsA contract to (1) conduct absolute pressure measurement and recording in both non-permissable and permissable areas of a coal mine and (2) explore methane gas cloud detection, measurement, and visualization.
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7/22/2014 - Contracts and cooperative agreementsA contract to develop a spray-applied polyurea coating system that would upgrade existing 20-psi approved mine seals to withstand blast pressures greater than 60 psi.
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3/1/2012 - Peer reviewed journal articlesThis paper describes the research conducted to quantify a relationship between measured values of radiated seismic energy and peak explosive pressure generated.
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6/1/2008 - Conference papersThis paper compares the transverse load capabilities of several block materials and wall dimensions commonly used in stopping constructions based upon simulated three-hinge, rigid-arch loading tests of half-wall constructions.
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4/1/2006 - Reports of InvestigationsDetermining backfill stress is an important part of evaluating mine safety, whether personnel are working in proximity to backfill or in other areas of the mine where backfill is an integral part of regional support.
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1/1/2005 - Peer reviewed journal articlesThis publication details a series of explosive detonation experiments conducted in NIOSH's Bruceton and Lake Lynn Experimental Mines to evaluate low-level (<6 psig) detonation wave propagation behavior in single- and multiple-entry configurations.
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Content source: National Institute for Occupational Safety and Health, Mining Program