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Journal Article

Citation

Oka Y, Atkinson GT. Fire Safety J. 1995; 25(4): 305-322.

Copyright

(Copyright © 1995, Elsevier Publishing)

DOI

unavailable

PMID

unavailable

Abstract

This paper concerns the specification of the longitudinal ventilation necessary to prevent upstream movement of combustion products in a tunnel fire. Experiments carried out in a model tunnel have revealed significant limitations on the utility of existing empirical expressions for the critical velocity. Simple formulae with a wider range of applicability are presented. The method of scaling model results has been tested by comparison with large-scale test data. The effects of changes in the shape, size and location of the fire on the critical velocity have been investigated.

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