Results 21 - 30 of 412

• Investigation into Dust Exposures and Mining Practices in Mines in the Southern Appalachian Region
  2/1/2009 - Conference papers
  This paper presents the results to date of a NIOSH investigation into the possible causes that would account for the observed higher trends in CWP disease progression through review, data analysis, and in-mine surveying.
• Ergonomic Interventions at Unimin
  12/1/2008 - Peer reviewed journal articles
  This paper discusses ergonomic interventions that were successfully implemented at the Unimin Gleason, Tennessee operation using a participatory approach to reducing the risk of injury.
• Working in the Classroom - A Vision of Miner Training in the 21st Century
  11/1/2008 - Conference papers
  This article discusses how narrative-based training has evolved and is likely to continue changing in the future using the Underground Coal Mine Map Reading Training (UCMMRT) developed by NIOSH.
• Numerical Study on Effects of Coal Properties on Spontaneous Heating in Longwall Gob Areas
  11/1/2008 - Peer reviewed journal articles
  A computational fluid dynamics (CFD) study was conducted to model effects of coal properties on the potential for spontaneous heating in longwall gob (mined-out) areas.
• Key Design Factors of Enclosed Cab Dust Filtration Systems
  11/1/2008 - Reports of Investigations
  NIOSH experimentally investigated various factor effects on cab air filtration system performance.
• A Numerical Evaluation on the Effects of Impermeable Faults on Degasification Efficiency and Methane Emissions During Underground Coal Mining
  9/1/2008 - Peer reviewed journal articles
  This study uses reservoir simulations to illustrate the effects of impermeable faults on the production performance of vertical and horizontal degasification boreholes.
• Simulation of Spontaneous Heating in Longwall Gob Area with a Bleederless Ventilation System
  8/1/2008 - Peer reviewed journal articles
  To provide insights for the optimization of bleederless ventilation systems for U.S. underground coal mines, a computational fluid dynamics study was conducted to model spontaneous heating in longwall gob areas using a bleederless ventilation system.
• Effects of Ventilation and Gob Characteristics on Spontaneous Heating in Longwall Gob Areas
  6/1/2008 - Conference papers
  The results of field tests to understand how ventilation and gob characteristics affect the spontaneous heating process causing spontaneous combustion fires in longwall or worked-out gob areas are presented.
• Modeling and Prediction of Ventilation Methane Emissions of U.S. Longwall Mines Using Supervised Artificial Neural Networks
  2/1/2008 - Peer reviewed journal articles
  This study proposes a principal component analysis (PCA) and artificial neural network (ANN)-based approach to predict the ventilation methane emission rates of U.S. longwall mines.
• Equivalency of a Personal Dust Monitor to the Current United States Coal Mine Respirable Dust Sampler
  1/1/2008 - Peer reviewed journal articles
  The work presented in this paper focuses on the relationship between the PDM and respirable dust concentrations currently measured by a coal mine dust personal sampler unit utilizing a 10 mm Dorr Oliver nylon cyclone.