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- Research methods and measures:
- Numerical modeling
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Results 41 - 50 of 97
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7/19/2016 - Interagency agreementsAn interagency agreement to investigate alternative system designs or current system modifications for mine rescue breathing apparatus, to determine the extent of potential efficiency improvements.
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7/18/2016 - Contracts and cooperative agreementsA contract to establish guidelines for mine seal design under static and dynamic loading conditions from gas and/or dust explosions within sealed areas.
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3/1/2016 - Peer reviewed journal articlesThis article by NIOSH describes the advantage of using numerical models with the strength reduction method to evaluate entry stability in complex multiple-seam conditions.
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7/1/2015 - Peer reviewed journal articlesA report focused on validating a series of computational fluid dynamics (CFD) models using full-scale ventilation gallery data that assessed how curtain setback distance impacted airflow patterns and methane distributions at an empty mining face.
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11/5/2014 - Contracts and cooperative agreementsA capacity-building contract focused on developing practical mine ventilation engineering tools for safe and effective massive underground mining operations.
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3/1/2014 - Peer reviewed journal articlesA report detailing the results of two controlled recirculation tests over three days at a Wyoming trona mine, utilizing an inline booster fan to improve airflow to a remote and difficult-to-ventilate development section.
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12/3/2012 - Unpublished documents and reportsDecember 3, 2012 feature on proximity detection research
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9/1/2011 - Peer reviewed journal articlesA modified semi-empirical equation based on large-scale experiments conducted by the National Institute for Occupational Safety and Health (NIOSH) was developed to quantify smoke rollback during an underground mine fire.
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11/1/2010 - Peer reviewed journal articlesThis paper describes a practical approach for implementing stochastic determination of gob gas ventholes production performances and for generalizing the prediction capability of deterministic models.
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6/1/2010 - Conference papersThis study demonstrates a fractal approach to calculating permeability of gob for air leakage that allows the calculation of porosity and permeability from the size distribution of broken rock material in the gob, which can be determined from image anal...
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Content source: National Institute for Occupational Safety and Health, Mining Program