Results 611 - 618 of 618

• Ranking Factors Impacting Survival During Coal Mine Fires
  8/1/1993 - Peer reviewed journal articles
  This study ranks the factors impacting survival during a coal mine fire. The authors found that a combination of actions was most effective, including installing lifelines, moderately decreasing air leakage, and decreasing the fire growth rate.
• Probability of Making a Successful Mine Escape While Wearing a Self-Contained Self-Rescuer
  12/1/1992 - Peer reviewed journal articles
  This Bureau of Mines report examines survival odds for a prototypical escape from a mine, and illustrates how these odds change when SCSR training is improved.
• How Smoke Hinders Escape from Coal Mine Fires
  1/1/1992 - Peer reviewed journal articles
  This study predicts the level of smoke that miners might meet while trying to escape a coal mine fire and describes how smoke would impede their safe escape.
• Rapid Sampling of Products During Coal Mine Explosions
  2/1/1991 - Peer reviewed journal articles
  This paper describes a U.S. Bureau of Mines investigation of large-scale coal dust explosions in an experimental mine using a high-speed electropneumatic mechanism for rapid grab-sampling of gases and dusts and shows the benefits of the technique.
• Lifting in Stooped and Kneeling Postures: Effects on Lifting Capacity, Metabolic Cost, and Electromyography of Eight Trunk Muscles
  11/1/1988 - Peer reviewed journal articles
  Results of this Bureau of Mines study indicate that it may be advisable to reduce the weight of materials that are handled repetitively in the kneeling posture.
• Control and Monitoring Via Medium Frequency Techniques and Existing Mine Conductors
  7/1/1985 - Peer reviewed journal articles
  Medium frequency (MF) techniques have been successfully applied to the problem of radio voice communications in both coal and metal and nonmetal mines. MF techniques can also be applied to the areas of in-mine control and monitoring. Preliminary work in...
• Electromagnetic Detection of Trapped Miners
  2/1/1984 - Peer reviewed journal articles
  The Bureau of Mines has conducted field studies in coal mines throughout the United States to determine the effectiveness of electromagnetic techniques in locating miners trapped underground following a mine accident.
• Underground Mine Communications
  1/1/1978 - Peer reviewed journal articles
  Extensive analysis of mine-communications systems has identified specific areas, in particular the excessive times required to locate key personnel underground, the inadequacy of existing phone systems in terms of capacity and privacy and the inability ...