Results 81 - 90 of 250

• Develop a Means to Model Network Performance Using Network Simulation Tools
  7/18/2016 - Interagency agreements
  An interagency agreement to develop modeling and simulation tools to evaluate the performance of underground mine wireless communications networks.
• Design and Demonstration of a Location Tracking System for Underground Coal Mines (Award 2)
  7/18/2016 - Contracts and cooperative agreements
  A contract to design and demonstrate a location tracking system for underground coal mines using ultra-wideband (UWB) radio technology.
• Design and Demonstration of a Location Tracking System for Underground Coal Mines (Award 1)
  7/18/2016 - Contracts and cooperative agreements
  A contract to develop a miner tracking system based on inertial navigation technology.
• Design and Construction Considerations for a Protected Compressed Air Line to a Refuge Alternative
  7/18/2016 - Contracts and cooperative agreements
  A contract to explore the need for ensuring compressed air line integrity in a practical way through laboratory tests and design and construction considerations for compressed air lines to a refuge alternative.
• Demonstration of Inertial Sensor Tracking and Communication System
  7/18/2016 - Contracts and cooperative agreements
  A contract to complete a beta test installation of the contractor’s inertial sensor tracking and communication system in a working mine and demonstrate the accuracy, communication capability, and suitability for use in a working coal mine.
• Application of Extreme Power Line Communication Methods to Mine Environments
  7/16/2016 - Contracts and cooperative agreements
  A contract to assess the suitability of current power line communication methods (used in nonmining applications) for underground coal mine communication, using mine electrical power distribution conductors as a system backbone.
• NIOSH Refuge Alternative Webinar
  6/16/2016 - Calls for participation
  Reserve a spot now to attend a webinar on refuge alternatives June 23.
• Through-the-Earth (TTE) Communications: Range Reliability Improvements
  11/20/2015 - Contracts and cooperative agreements
  A contract to develop and test an enhanced magnetics-based communications waveform with increased ability to provide communications in the presence of ambient noise and interference in order to extend existing magnetics-based technologies.
• Assessing Noise and Dust: NIOSH and Vulcan Materials Co. Team Up to Test How Well Helmet-CAM Technology Measures Miner Exposure Levels
  9/1/2015 - Non-peer reviewed journal articles
  This trade publication piece by NIOSH discusses testing of the Helmet-CAM system. NIOSH partnered with Vulcan Materials Co. to test and evaluate the setup for noise assessment at the company's mining operation near Baltimore.
• Particle Size and Surface Area Effects on Explosibility Using a 20-L Chamber
  6/25/2015 - Peer reviewed journal articles
  A paper examining the particle size distributions, specific surface areas (SSA), and the explosion suppression effectiveness of various rock dusts.