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Simulating spon com - Looking at CFD modeling of spontaneous heating in longwall gob areas
  • Published Date:
    1/1/2009
Filetype[PDF-1.20 MB]


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    Personal Author:
    Yuan, Liming; Smith, Alex C.;
    Published Date:
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    Description:
    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. A two longwall panel district using a bleeder ventilation system was simulated. T...
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  2. Computational Fluid Dynamics Modeling Of Spontaneous Heating In Longwall Gob Areas
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    To provide insights for the optimization of ventilation systems for U.S. underground coal mines facing both methane control and spontaneous combustion issues, a computational fluid dynamics (CFD) study was conducted to model the potential for spontan...
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  3. Modeling The Effect Of Barometric Pressure Changes On Spontaneous Heating In Bleederless Longwall Panels; Preprint
    Personal Author:
    Yuan, Liming; Smith, Alex C.;
    Published Date:
    1/1/2010
    Description:
    Barometric pressure changes affect air density, leading to change in the mass of the gas in the gob. When the barometric pressure decreases, the volume of gas in the gob expands, while the volume of gas contracts when the barometric pressure increase...
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    Corporate Authors:
    National Institute for Occupational Safety and Health
    Conference Authors:
    International Mine Ventilation Congress (9th : 2009 November 10-13 : New Delhi, India)
    Published Date:
    2009
    Source:
    Mine Ventilation: Proceedings of the Ninth International Mine Ventilation Congress, New Delhi, India, November 10-13, 2009. Panigrahi DC, ed., New Delhi, India: Oxford & IBH Publishing Co. Pvt. Ltd., 2009 Nov; 1:357-366
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  5. CFD modeling of spontaneous heating in a large-scale coal chamber
    Personal Author:
    Yuan, Liming; Smith, Alex C.;
    Published Date:
    1/1/2009
    Description:
    Three-dimensional computational fluid dynamics (CFD) modeling is conducted to simulate spontaneous heating in a large-scale coal chamber with a forced ventilation system. Spontaneous heating is modeled as the low-temperature oxidation of coal using k...
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