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Optimisation of smoke extraction system in fire scenarios using CFD modelling

journal contribution
posted on 2023-05-20, 20:06 authored by Til BaalisampangTil Baalisampang, Saliba, E, Salehi, F, Vikrambhai Garaniya, Chen, L
Understanding the consequences of fuel release and fire accident is an important aspect of the design and construction of buildings and infrastructures. Particularly, an increasing number of catastrophic consequences of recent fire accidents in high-rise buildings has led to the demand for a rigorous and holistic approach for infrastructure fire safety analysis and performance evaluation. The current study proposes a framework for liquefied petroleum gas heat release simulations and modelling the visibility of evacuees on the egress path during a fire event using efficient computational fluid dynamics (CFD) model. The framework consists of scenario modelling, optimised smoke detector layout, mechanical smoke extraction system, and visibility analysis. The CFD simulation is first validated using experimental data demonstrating a very good agreement. A case study for detector layout is then considered, showing the proposed approach increases the visibility of the egress path along the corridor of a building during fuel release and fire accident. The study will offer an effective platform for modelling fire risk and assessing the performance of fire safety mechanisms in buildings which can be also beneficial to enhance urban infrastructures safety.

History

Publication title

Process Safety and Environmental Protection

Volume

149

Pagination

508-517

ISSN

0957-5820

Department/School

Australian Maritime College

Publisher

Inst Chemical Engineers

Place of publication

165-189 Railway Terrace, Davis Bldg, Rugby, England, Cv21 3Br

Rights statement

Copyright 2020 Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.

Repository Status

  • Restricted

Socio-economic Objectives

Energy efficiency not elsewhere classified; Expanding knowledge in built environment and design

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