Results 181 - 190 of 196

• Structural Analysis and Design of Seals for Coal Mine Safety
  5/28/2014 - Contracts and cooperative agreements
  A contract to transfer protective structure design technology from the defense establishment to the design and construction of seals in the coal industry.
• The Role of Gas Desorption in the Energetic Failure of Coal
  3/4/2014 - Contracts and cooperative agreements
  A contract to evaluate the role of gas desorbing on the failure of coal and the resultant influence on dynamic failures such as bumps, bursts, and outbursts.
• Post-Accident AMS System
  1/6/2014 - Contracts and cooperative agreements
  A contract to develop a robust, intrinsically safe system that will incorporate atmospheric monitoring, two-way communications and miner tracking, all in a single network.
• System Reliability and Environmental Survivability
  9/22/2012 - Contracts and cooperative agreements
  A contract to develop a practical methodology with appropriate technical guidelines that enables mine operators and enforcement agencies to evaluate the reliability of underground communications, tracking, and atmospheric monitoring systems.
• Two-Way, Through-the-Earth Emergency Communication System for Trapped Miners and the Surface
  9/18/2012 - Contracts and cooperative agreements
  A contract to design a prototype two-way, through-the-earth (TTE) emergency communication system, fabricate the hardware, and test the system at an underground coal mine.
• Practical Risk Assessment Guidelines for Identifying, Assessing, and Mitigating Stored Energy Hazards in Underground Coal Mines During and After a Mine Emergency
  9/18/2012 - Contracts and cooperative agreements
  A contract to determine risk analysis techniques for assessing and mitigating basic types of possible stored energy sources for currently available communication, tracking, and atmospheric monitoring systems (AMS).
• 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.
• Ultra-Low Frequency Through-the-Earth Communication Technology
  9/18/2012 - Contracts and cooperative agreements
  A contract to analyze, adapt, and test an existing ultra-low frequency (ULF), through-the-earth system for communication and tracking of underground mine personnel.
• Through-The-Earth Wireless Real-Time Two-Way Voice Communications
  9/17/2012 - Contracts and cooperative agreements
  A contract to design, build, and demonstrate a battery-powered, through-the-earth wireless voice communication system for overburdens of up to 600 feet.
• Safe and Economical Inerting of Sealed Mine Areas
  9/17/2012 - Contracts and cooperative agreements
  A contract to design and construct an in-mine mobile gas generation plant to extract nitrogen gas from mine air and inject it into sealed mine areas to maintain a safe environment.