Results 21 - 30 of 43

• Further Study of the Intrinsic Safety of Internally Shorted Lithium and Lithium-ion Cells Within Methane-air
  11/1/2014 - Peer reviewed journal articles
  A study that continues research into the potential for lithium and lithium-ion battery thermal runaway from an internal short circuit in equipment for use in underground coal mines.
• Supplementary Technologies for Advanced Mine Communication Networks
  9/25/2014 - Contracts and cooperative agreements
  A contract to develop a Universal Signal Evaluation Package for 75- and 150-MHz bands, adapt a passive magnetic amplifier for 900-MHz, and investigate energy harvesting technologies.
• 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.
• Performance and Safety Investigation of Emergency Backup Batteries and Battery Charging Systems for Underground Mining Applications
  9/18/2012 - Contracts and cooperative agreements
  A contract to address issues associated with battery selection, use, and charging for the underground coal mining environment, specifically with respect to MINER Act requirements for mine communications and personnel tracking technology.
• Technological Aspects of Solid-State and Incandescent Sources for Miner Cap Lamps
  10/1/2008 - Conference papers
  This paper describes the performance of LED and incandescent sources in cap lamps in terms of correlated color temperature, color rendering, light output, electric power, ambient temperature and airflow, and light source aging.
• The Brookwood Disaster and Electrical Requirements for Hazardous (Classified) Locations
  9/1/2007 - Conference papers
  Researchers with NIOSH studied the electrical equipment ignition sources for the Brookwood and other disasters to develop recommendations for preventing similar disasters.
• Protecting Miners from Electrical Arcing Injury
  1/1/2007 - Conference papers
  NFPA 70E is a generally accepted industry guideline document and can be applied to mining workplaces after an analysis of the mine power system electrical arcing hazards has been completed (and Hazard/Risk Categories determined).
• Feasibility Study to Reduce Injuries and Fatalities Caused by Contact of Cranes, Drill Rigs, and Haul Trucks with High-Tension Lines
  5/1/2001 - Peer reviewed journal articles
  Overhead electric power lines present a serious electrocution hazard to personnel in a variety of industries. There is a practical low-cost concept to detect actual contact of mobile equipment with a high-voltage line and provide a warning.
• Dust Underfoot: Enclosed Cab Floor Heaters Can Significantly Increase Operator's Respirable Dust Exposure
  4/1/2001 - Peer reviewed journal articles
  Many types of heavy equipment used in the mining and construction industries use enclosed cabs to protect equipment operators from dust and noise exposure. A cooperative research study with a mining company and a cab filtration company was conducted to...
• Experimental Investigation of On-Line Methods for Incipient Fault Detection
  10/1/2000 - Conference papers
  This paper presents an experimental investigation of an improved technique for on-line detection of induction motor stator winding degradation.