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Real-time Calculation of Product-of-combustion Spread in a Multilevel Mine.

Authors
Edwards-JC; Greuer-RE
Source
MISSING :117 pages
Link
NIOSHTIC No.
10002656
Abstract
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.
Publication Date
19820101
Document Type
IH; Information Circular;
Fiscal Year
1982
NTIS Accession No.
NTIS Price
Identifying No.
IC 8901
NIOSH Division
PRC;
Source Name
MISSING
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