CFD Model Validation of Pollutant Transport in Open Pit Mine Under Air Inversion

Details

• Personal Author:
  Bandopadhyay S ; Raj KV
• Description:
  The development and advancement of computational fluid dynamics (CFD) has made it possible to better understand pollutant flow and distribution in deep open pit mines. Open pits located at higher latitudes, especially in the Arctic and sub-Arctic, face a unique problem due to atmospheric temperature inversion, which is prevalent during much of the winter. A three-dimensional CFD model of an actual open pit mine in the Arctic was developed to analyze the problem of pollutant growth during inversion, and mitigation of the pollutants through improved ventilation schemes. Due to the availability of mine-specific data, such as contaminant concentrations and coordinates of sampling locations, the actual 2013 pit geometry was used for model validation Concentrations predicted by the selected realizable k-epsilon turbulent model are compared to measured pollutant concentrations at the open pit. Pollutant concentrations at selected locations showed differences, but remained within the same order of magnitude in most cases. [Description provided by NIOSH]
• Subjects:
  Air Movements Occupational Health Safety Temperature Ventilation
• Keywords:
  Air Flow Open Pit Mining Pollutants Seasonal Factors Temperature Effects
• Publisher:
  Society for Mining, Metallurgy, and Exploration, Inc.
• Document Type:
  Text
• Funding:
  Contract
• Genre:
  Proceedings
• Place as Subject:
  Alaska ; OSHA Region 10
• CIO:
  National Institute for Occupational Safety and Health (NIOSH)
• Topic:
  Workplace Safety & Health
• Location:
  North America
• Pages in Document:
  1-7
• NIOSHTIC Number:
  nn:20069152
• Citation:
  2016 SME Annual Meeting, February 21-24, 2016, Phoenix, Arizona, preprint 16-067. Englewood, CO: Society for Mining, Metallurgy, and Exploration, Inc., 2016 Feb; :1-7
• Federal Fiscal Year:
  2016
• Performing Organization:
  University of Alaska Fairbanks
• Peer Reviewed:
  False
• Start Date:
  20090901
• Source Full Name:
  2016 SME Annual Meeting, February 21-24, 2016, Phoenix, Arizona, preprint 16-067
• End Date:
  20140831
• Collection(s):
  National Institute for Occupational Safety and Health
• Main Document Checksum:
  urn:sha-512:81159fe75107cb616fc4d410c38d8538731e295fe6d8fa5468fb92893007f45781319901409f01704c0083216bceedddeed0aa24f0efcfa232ec52fde86a8b2c
• Download URL:
  https://stacks.cdc.gov/view/cdc/207686/cdc_207686_DS1.pdf
• File Type:
  [PDF - 372.75 KB ]