Results 111 - 120 of 412

• Lessons Learned from Refuge Alternative Research by NIOSH
  12/1/2017 - Non-peer reviewed journal articles
  An article describing NIOSH testing and benchmarked thermal simulation models to examine thermal conditions inside occupied refuge alternatives.
• An Analysis of Roof Bolter Fatalities and Injuries in U.S. Mining
  8/1/2017 - Peer reviewed journal articles
  This paper analyzes U.S. roof bolter fatal and nonfatal lost-time injury data at underground work locations for all commodities from 2004 through 2013 and determines risk indices for six roof bolting tasks.
• Temperature Rise Within a Mobile Refuge Alternative (RA) - Experimental Investigation and Model Validation
  6/1/2017 - Peer reviewed journal articles
  An article by NIOSH that describes the results from heat and relative humidity testing in a 10-person, tent-type mobile refuge alternative.
• Mathematical Modeling and Measurement of Electric Fields of Electrode-Based Through-the-Earth (TTE) Communication
  6/1/2017
  A study using a mathematical model of subsurface electric fields and a prototype electrode-based TTE system to characterize the factors that will affect electric field distribution.
• Ray Tracing and Modal Methods for Modeling Radio Propagation in Tunnels With Rough Walls
  5/1/2017 - Peer reviewed journal articles
  An article that discusses how wall roughness affects radio propagation in tunnels, and presents a unified ray tracing and modal method for modeling radio propagation in tunnels with rough walls.
• Spontaneous Combustion
  4/7/2017 - Catalogs and indexes, Research areas
  OMSHR topic page on spontaneous combustion.
• CFD Modeling in Processing Facilities
  3/31/2017 - Research projects
  A project to understand the dust generation and transport processes and propose ventilation designs to minimize the dust at mineral processing plants using CFD models.
• Identification of Potential Roof Problems Using LED Lighting & Numerical Modeling of Highwall Stability Using FLAC3D
  3/15/2017 - Contracts and cooperative agreements
  A capacity-building contract to (1) develop light technology to identify roof problems and (2) use FLAC3D to model highwall stability and determine the effects of ground vibrations from blasting.
• Development of Strength Criteria for Coal and Nonsedimentary Rock Masses and Investigation of Underground and Open Pit Mine Stability of Such Rock Masses
  3/13/2017 - Contracts and cooperative agreements
  A capacity-building contract to develop strength criteria for coal and non-sedimentary rock masses and to investigate the underground and open pit mine stability of these rock masses.
• Time Domain and Frequency Domain Deterministic Channel Modeling for Tunnel/Mining Environments
  1/1/2017 - Peer reviewed journal articles
  An article that proposes two physics-based, deterministic ultra-wideband (UWB) channel models for characterizing wireless channels in mining/tunnel environments — one in the time domain and the other in the frequency domain.