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Interaction Between Duct Fires and Ventilation Flow: An Experimental Study.

Authors
Lee-CK; Chaiken-RF; Singer-JM
Source
Comb Sci Tech 1979 20:59-72
Link
NIOSHTIC No.
10000455
Abstract
The influence of wood fires in a 0.3- By 0.3- By 10-m duct on forced ventilation flow was studied in a model tunnel network by measuring tunnel gas mass flow rate, velocity, pressure, and temperature. Comparison of these measurements obtained before and during the fires at various ventilation air velocities provides useful information on the interaction between duct fires and ventilation flow in terms of fire throttling effects and reverse flow phenomena. Results show that duct fires essentially increase flow resistances of the passageways of a tunnel network by virtue of volatile fuel mass injection and high combustion temperatures.
Publication Date
19790101
Document Type
OP;
Fiscal Year
1979
NTIS Accession No.
NTIS Price
Identifying No.
OP 71-79
NIOSH Division
PRC;
Source Name
Comb. Sci. Tech., V. 20, 1979, PP. 59-72
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