Results 1 - 4 of 4

• Detection of Downed Trolley Lines Using Arc Signature Analysis
  5/1/1997 - Reports of Investigations
  The article discusses the applicability of computerized signal analysis techniques to identify fault currents existing on coal mine direct-current trolley systems
• A 20-Liter Furnace Test Method to Determine the Combustion Gas Toxicity of Conveyor Belts
  1/1/1996 - Reports of Investigations
  Pittsburgh Research Center conducted experiments with mine conveyor belt samples in a 20-L furnace and in a laboratory fire tunnel to measure and compare the major toxic gas concentrations evolved during the combustion of the materials.
• Mine Fire Diagnostics Applied to the Carbondale, PA Mine Fire Site
  1/1/1992 - Reports of Investigations
  The U.S. Bureau of Mines applied its mine fire diagnostic method to an abandoned anthracite mine fire site in Carbondale, Lackawanna County, PA.
• Rapid (Grab) Sampling During Full-scale Explosions - Microscopic and Analytical Evaluation
  1/1/1988 - Reports of Investigations
  The Bureau of Mines has developed a system using a high-speed electropneumatic mechanism for the rapid (grab) sampling of dusts and gases during an explosion to monitor pyrolysis-charring in coal particles and combustion of pyrolysis vapors.