Results 1 - 10 of 12

• From Scotia to Brookwood, Fatal US Underground Coal Mine Explosions Ignited in Intake Air Courses
  1/1/2009 - Peer reviewed journal articles
  NIOSH researchers studied U.S. underground coal mine explosions over a 30-year period to identify the ignition sources and locations responsible for severe explosions resulting in death, and provided recommendations for safer electrical design.
• Ignition of Methane-Air Mixtures by Laser Heated Small Particles
  5/1/2000 - Peer reviewed journal articles
  Optical technologies have progressed rapidly in the past 15 years. NIOSH is conducting a study to help provide a scientific basis for developing appropriate safety guidelines for optical equipment in underground coal mines.
• High Energy Battery Thermal Runaway Alleviation Protection (TRAP) Flame Arrestor for Mine Safety
  2/14/2023 - Contracts and cooperative agreements
  A contract with ADA Technologies to design and implement a purpose-built flame arrestor for use in explosion-proof enclosures for applications in gassy mines.
• Intrinsically Safe Mine Rescue UAV Design - Phase 1
  6/23/2021 - Contracts and cooperative agreements
  A contract with Xtraction Science and Technology, Inc., to examine instrinsically safe mine rescue UAV design.
• 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.
• 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.
• A Comparison of U.S. Mining Industry Criteria for Intrinsically Safe Apparatus to Similar IEC-Based Standards
  12/27/2016 - Internal Reports
  This white paper details a study by NIOSH Mining researchers who explored the potential to accept equipment certified to outside standards beyond the qualifications stipulated by Mine Safety and Health Administration construction and testing criteria.
• Are lithium-ion cells intrinsically safe?
  11/1/2013 - Conference papers
  A NIOSH study investigating the potential for lithium-ion battery thermal runaway from an internal short circuit in equipment approved as permissible for use in underground coal mines.
• Methods for Evaluating Explosion Resistant Ventilation Structures
  7/1/2005 - Conference papers
  Large-scale explosion tests conducted within the multiple-entry section of NIOSH's Lake Lynn Experimental Mine (LLEM) are currently the only accepted test method for deeming a seal design suitable for use in U.S. mines. These explosion tests are labor-i...