图书馆订阅: Guest
第13届国际传热学会年报
Graham de Vahl Davis (open in a new tab) School of Mechanical and Manufacturing Engineering, University of New South Wales, Kensington, NSW, Australia
Eddie Leonardi (open in a new tab) Computational Fluid Dynamics Research Laboratory, School of Mechanical and Manufacturing Engineering, The University of New South Wales, Sydney, Australia 2052

ISSN Online: 2377-424X

ISBN CD: 1-56700-226-9

ISBN Online: 1-56700-225-0

SMOKE CONTROL DESIGN FOR DOUBLE-DECK BUS FIRES WITH A ZONE MODEL

page 9
DOI: 10.1615/IHTC13.p26.240
Get accessGet access

摘要

Smoke filling process and smoke control for local bus fires are discussed. Smoke filling process for a typical double-deck bus with a seating fire was simulated using the two-layer fire zone model CFAST. Preliminary studies on a small design fire with a shorter duration indicated that hot smoke would fill up about half the space volume of the two decks, with temperature up to 93 °C in the lower deck (fire compartment) and up to 38 °C in the upper deck. Smoke did not fill up the entire space volume before the fire burnt out. However, for a bigger fire up to 1 MW with a longer duration of 1900 s, flashover would occur at the lower deck with the door closed. Even for the case with the door open, smoke at temperature 101 °C would fill up the entire upper deck. Therefore, appropriate fire protection must be provided. Smoke control systems are essential to extend the time to flashover. Two smoke control designs with natural vents are evaluated.

Begell Digital Portal Begell 数字图书馆 电子图书 期刊 参考文献及会议录 研究收集 订购及政策 Begell House 联系我们 Language English 中文 Русский Português German French Spain