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Numerical Simulation on Gas Flow in Building Fire

Author: ChenGaoQiang
Tutor: XuKaiLi
School: Northeastern University
Course: Safety Technology and Engineering
Keywords: Gas Fire modeling Flue gas flow Fluent
CLC: TU998.1
Type: Master's thesis
Year: 2008
Downloads: 145
Quote: 1
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Abstract


Fire modeling research is the basis of modern fire safety engineering research . Fire combustion theory , combined with powerful computing capabilities of the computer , and use of state-of-the-art simulation software for numerical simulation of fire occurrence and development process , fire scenarios in different physical variation over time , as the reality of life in the fire prevention and rescue to provide a theoretical basis , is a hot topic in today 's fire science research . Actual civil construction typical single-chamber structure for the study, in-depth study of the hydrodynamic model of a gas leak and the combustion model to determine the use of non - premixed combustion model while loading ks turbulence model and the P-1 radiation model programs; introduced the application field simulation methods , the use of large-scale specialized fluid dynamics software FLUENT , based on the study of the actual situation , given suitable boundary conditions ; the use of the gridded variable density and step accuracy algorithm the visualization of numerical simulation of the development process of indoor fire caused by a gas leak and fire in the same kind of form different installation methods and corridors pressure results were analyzed , showing the fire occurred development process . Application of fire modeling results from the different circumstances of the form the impact of the installation and the corridor pressure fire occurred , the mechanism of the development of research and prevention measures , and to provide a reference for the architectural design and fire fighting , so that the simulation results with in the actual guidance . This study of fire safety education , fire command , building performance design , and staff emergency evacuation has strong application value .

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CLC: > Industrial Technology > Building Science > Municipal Engineering > Other municipal works and utility equipment > Fire control
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