Results 521 - 530 of 646

• A Performance Approach to Training Research
  1/1/2000 - Conference papers
  A summary of (a) training techniques to act competently in emergencies; (b) simulations that enhance the perceptual, judgment and decision making skills of workers and (c) the linkages between financial investments and skills training.
• Current Research on Slope Movement in Mines: Use of Hyperspectral Imagery
  1/1/2000 - Conference papers
  NIOSH is investigating remote sensing technologies to detect, monitor, and mitigate surface mine hazards that lead to slope failure. A field-portable spectro-polarimetric imager and a stationary interferometric radar device are promising options.
• Characterization of Jolting and Jarring on Operators of Surface Mine Haulage Trucks
  11/1/1999 - Conference papers
  A system that ties acceleration data with Global Positioning System (GPS) data was developed, assembled, and tested to track the frequency and causes of jolting and jarring of heavy equipment operators.
• Condition-Based Maintenance of Electrical Machines
  10/1/1999 - Conference papers
  This paper addresses the assessment of turn-to-turn insulation deterioration that can be resolved using an on-line monitoring technique to predict incipient failure prediction in electric power system components.
• Mobile Roof Support Load Rate Monitoring System
  10/1/1999 - Conference papers
  A Mine Safety and Health Administration-permissible load rate monitoring system was developed.
• Mine Fire Detection in the Presence of Diesel Emissions
  10/1/1999 - Conference papers
  A series of four coal combustion experiments was conducted at the National Institute for Occupational Safety and Health, Pittsburgh Research Laboratory in the Safety Research Coal Mine to evaluate the response of optical and ionization smoke and CO sens...
• Detection of A-C Machine Winding Deterioration Using Electrically Excited Vibrations
  10/1/1999 - Conference papers
  Presented in this paper is a theoretical review of the relationships that should exist between electrical winding parameters and the mechanical vibration of a-c machine elements under normal and faulted operating conditions.
• Stress Measurement of a Jointed Rock Mass During Drift Development
  9/1/1999 - Conference papers
  An experiment is described in which hollow inclusion cells were used to measure stress in a jointed rock mass during drift development at the Stillwater Mine, Nye, MT, USA.
• Roof Bolt Response to Shear Stress: Laboratory Analysis
  8/1/1999 - Conference papers
  Recent studies by researchers from the National Institute for Occupational Safety and Health indicate that shear loading contributes significantly to failure of bolts used for rock reinforcement in coal mine roofs. Laboratory tests on 17 bolts were con...
• Design Methodology for Standing Secondary Roof Support in Longwall Tailgates
  8/1/1999 - Conference papers
  This paper discusses a design methodology for standing secondary tailgate supports, using the performance characteristics generated in the NIOSH Mine Roof Simulator (MRS) to match load characteristics of various supports to ground reaction behavior.