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Information Circular 8901: Real-Time Calculation of Product-of-Combustion Spread in a Multilevel Mine

Public Domain


Details

  • Personal Author:
  • Description:
    A computer program, developed for the Bureau of Mines under contract, predicts in a quasi-steady-state approximation the ventilation and contaminant concentrations and temperatures when a fire occurs in a multilevel mine. For periods of time in which there is no significant change in the ventilation, yet a fire is producing fumes, a real-time fume concentration throughout the mine is calculated. Multiple and time-variable contaminant sources can be simulated. Recirculation paths that can develop provide a mechanism for increasing the fume concentration in the mine network and are identified by the computer program. This report contains a listing of the Fortran computer program as well as the required format of the input data. Two examples are provided of the real- time spread of smoke from a fuel-rich fire throughout a multilevel mine. The first example considers an operational exhaust fan as well as a booster fan. The second example evaluates the real-time smoke spread following a failure in the exhaust fan; recirculation occurs in this latter case. [Description provided by NIOSH]
  • Subjects:
  • Series:
    Mining Publications
  • Subseries:
    Information Circular
  • Document Type:
    Text
  • Genre:
    Report
  • CIO:
    National Institute for Occupational Safety and Health (NIOSH)
  • Division:
    PRC - Pittsburgh Research Center
  • Topic:
    Workplace Safety & Health
  • Location:
    North America
  • Pages in Document:
    124 pdf pages
  • NIOSHTIC Number:
    nn:10002656
  • Citation:
    NTIS: PB83/178830; :1-117
  • Federal Fiscal Year:
    1982
  • Peer Reviewed:
    False
  • Source Full Name:
    NTIS: PB83/178830
  • Collection(s):
  • Main Document Checksum:
    urn:sha-512:faa03a4f2793fb41c5220b647aba41eed15a4856143cf2f266391021437ee62bff1b8218185ea3ea24b470d302b40406a8488a2f4e424600f16698cd6631f837
  • Download URL:
  • File Type:
    Filetype[PDF - 4.26 MB ]
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