Results 151 - 160 of 646

• Methods to Improve Mine Ventilation System Efficiency
  2/1/2009 - Conference papers
  This paper discusses some ways to find extra usable air when there is no extra ventilation capacity.
• Exploration of Two Position Adjustment Methods for Underground Mine Tracking Systems
  1/1/2009 - Conference papers
  This paper introduces two position adjustment methods for mine tracking systems which use a coplanar node-path network mine model as the foundation for their development.
• Possible Impact of New Safety Technology Developments on the Future of the United States Mining Industry
  11/1/2008 - Conference papers
  This paper discusses the changes that new legislation and regulations are making to the industry and current research that is producing technologies to make mining safer and will likely impact the future of mining in the U.S.
• Development of a Taxonomy for Indexing Web-based Mining Safety and Health Research
  11/1/2008 - Conference papers
  This paper discusses the development of a thesaurus of mining-related terms. This thesaurus will be used to index NIOSH Mining web site content to facilitate searching that content.
• NIOSH Research for Monitoring and Controlling Methane at U.S. Underground Coal Mining Operations
  11/1/2008 - Conference papers
  This work by NIOSH has modelled the impacts of borehole pattern and design and the effects of increasing face length on gob gas venthole performance.
• 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.
• Coal Bed Discontinuity Effects on the Production of Degasification Boreholes and on Emissions During Longwall Mining
  10/1/2008 - Conference papers
  This study presents a numerical investigation of geological discontinues in the coalbed using reservoir simulations of the effects of partings and permeability facies and lithotype changes on the production performances of vertical and horizontal degasi...
• Application of Phased Array Technology for Identification of Low Frequency Noise Sources
  10/1/2008 - Conference papers
  This paper describes research to control dominant noise sources in continuous miners. This work ranks noise radiated by different conveyor sections and determines the effect of a urethane-coated tail roller on the noise radiated by the tail section.
• Controlling Respirable Dust in Underground Coal Mines in the United States
  9/1/2008 - Conference papers
  This paper presents an overview of dust controls typically utilized in underground U.S. coal mines and an update of ongoing NIOSH PRL research efforts that are evaluating new control technologies.
• Dynamic Failure in Deep Coal: Recent Trends and a Path Forward
  7/1/2008 - Conference papers
  The centerpiece of this project is development of a Dynamic Failure Control Program to monitor evolution of dynamic failure hazards with changing geologic conditions to assure that control and protective measures are appropriately deployed.