Results 11 - 20 of 102

• Maintenance Free Impingement Screen In-Mine Testing
  6/15/2023 - Contracts and cooperative agreements
  A contract to test a maintenance-free flooded-bed scrubber screen for acceptable use in underground coal mining applications.
• Coal Mine Dust Mitigation Through Novel Scrubber Development and Numerical Modeling
  12/17/2021 - Contracts and cooperative agreements
  A capacity-building contract focused on coal dust mitigation utilizing a novel scrubber and numerical modeling.
• Underground Mine Refuge Alternatives Heat Mitigation
  4/22/2020 - Peer reviewed journal articles
  An article detailing NIOSH tests on an air-conditioned borehole air supply (BAS) and a cryogenic air supply for refuge alternatives.
• Maintenance Free Filters for Continuous Miner Scrubber Systems
  1/30/2020 - Contracts and cooperative agreements
  A contract with the University of KEntucky to develop maintenance-free continuous miner scrubber systems.
• Developing and Improving Respirable Dust Controls in Coal Mines
  10/5/2019 - Research projects
  To develop and evaluate technologies and approaches to improve effective dust controls to reduce respirable coal mine dust (RCMD) exposures in coal mines, focusing on reducing respirable quartz dust (RQD).
• A Field Study of a Roof Bolter Canopy Air Curtain (2nd Generation) for Respirable Coal Mine Dust Control
  9/1/2019 - Peer reviewed journal articles
  This article describes NIOSH's testing of a 2nd generation roof bolter canopy air curtain (CAC) design at a Midwestern underground coal mine.
• Infographic: Reduce Float Dust Explosion Hazards: Add an In-line Wetted Scrubber
  3/1/2019 - Publications
  View this NIOSH infographic for information on adding an in-line wetted scrubber to reduce float dust.
• Empirical Engineering Models for Airborne Respirable Dust Capture from Water Sprays and Wet Scrubbers
  12/1/2018 - Peer reviewed journal articles
  An article presenting a dimensionless empirical model developed for predicting airborne dust capture efficiency of water sprays and wet scrubbers.
• Field Investigation to Measure Airflow Velocities of a Shuttle Car Using Independent Routes at a Central Appalachian Underground Coal Mine
  11/1/2018 - Peer reviewed journal articles
  An article investigating the potential use of canopy air curtain systems in protecting shuttle car operators from respirable dust.
• Design, Testing, and Modeling of Environmental Enclosures for Controlling Worker Exposure to Airborne Contaminants
  6/1/2018 - Information Circulars
  Read the latest NIOSH design guidelines for environmental enclosures to reduce contaminant exposure.