ARTICLE:

• EXPERIMENTAL AND NUMERICAL INVESTIGATION OF THE EFFECTIVENESS OF SMOKE EXTRACTION IN A PEDESTRIAN SUBWAY FIRE  download article

R. Yuan
City University of Hong Kong, Kowloon, Hong Kong

L. Zhao
Warrington Fire Research (Asia-Pacific) Limited, Sheung Wan, Hong Kong

A. Cheung
City University of Hong Kong, Kowloon, Hong Kong

E. Lee
City University of Hong Kong, Kowloon, Hong Kong

ABSTRACT

Smoke extraction system is one of the most important fire protection system, particularly in buildings with a large number of occupants. In designing a smoke extraction system, prescriptive code requirements are generally followed. One of the design parameters for a smoke extraction system is makeup air which is often measured in m³/s. Fire tests have been carried out for other purposes, however indicating that the smoke extraction system becomes ineffective when the makeup air is large. Accordingly further tests were conducted and this paper will provide the experimental test results and numerical simulations using a CFD software.

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