Predicting the effects of design parameter variations on major fire spread in a tunnel

In an earlier work a deterministic model, FIRE-SPRINT A1, which predicts the conditions for fire spread in a tunnel, has been presented. The model, based on the concepts of non-linear dynamics, may be used to predict the conditions for spread from one vehicle to another in a tunnel fire. A few illus...

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Bibliographic Details
Published in:International communications in heat and mass transfer 1996, Vol.23 (4), p.495-504
Main Authors: Beard, A.N, Drysdale, D.D., Bishop, S.R.
Format: Article
Language:English
Subjects:
Applied sciences
Bifurcation (mathematics)
Building technical equipments
Buildings
Buildings. Public works
Combustion. Flame
Computer simulation
Computer software
Dynamics
Energy
Energy. Thermal use of fuels
Exact sciences and technology
Fire behavior of materials and structures
Fire protection
Miscellaneous
Railroad tunnels
Structural design
Theoretical studies. Data and constants. Metering
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Summary:In an earlier work a deterministic model, FIRE-SPRINT A1, which predicts the conditions for fire spread in a tunnel, has been presented. The model, based on the concepts of non-linear dynamics, may be used to predict the conditions for spread from one vehicle to another in a tunnel fire. A few illustrative simulations were given. In this communication the results of further simulations are presented; in particular, bifurcation following has been conducted for the case of fire spread from one heavy goods vehicle to another in a rail tunnel. These demonstrate further how the model may be used to identify those geometrical and thermo-physical conditions which give rise to instability and a jump. In principle, such a model may be used as an aid to design and operation for a tunnel.
ISSN:0735-1933
1879-0178
DOI:10.1016/0735-1933(96)00034-6