Results 1 - 10 of 32

• An Analysis of Reservoir Conditions and Responses in Longwall Panel Overburden During Mining and its Effect on Gob Gas Well Performance
  2/1/2012 - Peer reviewed journal articles
  NIOSH conducted a cooperative research study to provide direct measurements of changing reservoir conditions in longwall panel overburden.
• Modeling the Effect of Seal Leakage on Spontaneous Heating in a Longwall Gob Area
  6/1/2010 - Conference papers
  In this NIOSH study, a computational fluid dynamics (CFD) model developed in previous work is used to model the effect of seal leakage on spontaneous heating of coal in longwall gob behind the seal.
• Effect of Longwall Face Advance on Spontaneous Heating in Longwall Gob Areas
  3/1/2010 - Peer reviewed journal articles
  In this paper, Computational Fluid Dynamics modeling of the effect of longwall face advance on the spontaneous heating of coals in a two-panel gob area using a bleeder ventilation system is presented.
• Modeling the Effect of Barometric Pressure Changes on Spontaneous Heating in Bleederless Longwall Panels
  3/1/2010 - Conference papers
  The effect of inflow and outflow of gas on the potential spontaneous heating in the gob was investigated using the computational fluid dynamics (CFD) model.
• Numerical Study on Effects of Coal Properties on Spontaneous Heating in Longwall Gob Areas
  11/1/2008 - Peer reviewed journal articles
  A computational fluid dynamics (CFD) study was conducted to model effects of coal properties on the potential for spontaneous heating in longwall gob (mined-out) areas.
• Simulation of Spontaneous Heating in Longwall Gob Area with a Bleederless Ventilation System
  8/1/2008 - Peer reviewed journal articles
  To provide insights for the optimization of bleederless ventilation systems for U.S. underground coal mines, a computational fluid dynamics study was conducted to model spontaneous heating in longwall gob areas using a bleederless ventilation system.
• Effects of Ventilation and Gob Characteristics on Spontaneous Heating in Longwall Gob Areas
  6/1/2008 - Conference papers
  The results of field tests to understand how ventilation and gob characteristics affect the spontaneous heating process causing spontaneous combustion fires in longwall or worked-out gob areas are presented.
• Computational Fluid Dynamics Modeling of Spontaneous Heating in Longwall Gob Areas
  12/1/2007 - Peer reviewed journal articles
  Computational Fluid Dynamics simulations were conducted to investigate the spontaneous heating of coals in longwall gob areas with different apparent activation energies and reaction surface areas. The results are reported in this paper.
• A Case Study of the Stability of a Non-typical Bleeder Entry System at a U.S. Longwall Mine
  1/1/2020 - Peer reviewed journal articles
  An article detailing observations of the non-typical bleeder entries of a moderate depth longwall panel, with a primary focus on the extent and magnitude of the abutment loading.
• Analysis of Gob Gas Venthole Production Performances for Strata Gas Control in Longwall Mining
  3/1/2018 - Peer reviewed journal articles
  An article about a study to analyze production performances of gas gov ventholes drilled over a longwall panel as a methane control measure.