Results 41 - 50 of 205

• Rock Dust Partnership
  7/29/2020
  NIOSH Mining Program's partnership for improving effectiveness of rock dust in preventing coal dust explosions
• Design of a Water Curtain to Reduce Accumulations of Float Coal Dust in Longwall Returns
  7/1/2020 - Peer reviewed journal articles
  A study to determine the optimal configuration of a water curtain developed to reduce float coal dust in mine airways.
• Floor Dust Erosion During Early Stages of Coal Dust Explosion Development
  12/1/2019 - Peer reviewed journal articles
  This paper discusses the implications of floor dust erosion on rock dusting and sampling procedures for explosion hazard assessment.
• Factors Affecting the Performance of Trickle Dusters for Preventing Explosive Dust Accumulations in Return Airways
  8/1/2019 - Peer reviewed journal articles
  This paper summarizes the results of coal and rock dust deposition studies conducted within an experimental mine, along with limited data collected from the tailgate of an operating longwall.
• Comparison of the CAS-POL and IOM Samplers for Determining the Knockdown Efficiencies of Water Sprays on Float Coal Dust
  3/1/2019 - Peer reviewed journal articles
  An article examining the effects of spray type, operating pressure, and spray orientation on knockdown efficiencies on float coal dust for seven different water sprays.
• Ventilation of Longwall Faces
  1/29/2019 - Research projects
  A project to improve the capabilities to detect changing ventilation conditions along a longwall face arising from poor roof caving characteristics and increasing face length.
• Evaluation, Scaled Testing, and Testing Design of Active Explosion Barriers Systems for the US Underground Coal Mines
  12/12/2018 - Contracts and cooperative agreements
  A contract exploring the use of active explosion barrier systems in United States underground coal mines.
• Intrinsically Safe Systems: Equivalency of International Standards Compared to U.S. Mining Approval Criteria
  12/3/2018 - Peer reviewed journal articles
  An article demonstrating that international equipment evaluation standards for electrical/electronic equipment will provide at least the same level of protection for miners as the MSHA requirements.
• Electrical Equipment Explosion Protection Research
  9/24/2018
  Overview of NIOSH research and solutions for preventing ignitions and explosions from electrical equipment in the presence of flammable gasses or combustible dusts.
• Influence of Specific Surface Area on Coal Dust Explosibility Using the 20-L Chamber
  8/1/2018 - Peer reviewed journal articles
  A study using 20-L explosion chamber testing to examine the relationship between the explosion inerting effectiveness of rock dusts on coal dusts, as a function of the specific surface area of each component.