One Zone or Two Zones in the Room of Fire Origin During Fires? The Effects of the Air-Handling System-Reference-Cited by-同舟云学术

One Zone or Two Zones in the Room of Fire Origin During Fires? The Effects of the Air-Handling System

Published:1997-05 Issue:3 Volume:15 Page:240-260
ISSN:0734-9041
Container-title:Journal of Fire Sciences
language:en
Short-container-title:Journal of Fire Sciences

Author:

Luo Mingchun¹

Affiliation:

1. Centre for Environmental Safety and Risk Engineering Victoria University of Technology PO Box 14428 MCMC Melbourne, VIC 8001, Australia

Abstract

A two-zone model, CFAST, has been widely used in the fire re search community. However, this study indicates that the CFAST model gener ally overpredicts the upper layer temperatures in the burn room because the zonal assumption is likely to break down in the burn room. It was found that the room-averaged temperatures obtained from the CFAST model were in good agreement with the experimental results (one zone assumption in the burn room). The prediction of CO concentration is inconsistent. The CFAST model tends to overestimate CO concentration when the air-handling system is in op eration, and to underestimate CO when the system is off.

Publisher

SAGE Publications

Subject

Mechanical Engineering,Mechanics of Materials,Safety, Risk, Reliability and Quality

Link

http://journals.sagepub.com/doi/pdf/10.1177/073490419701500306

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