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Numerical Studies on Heat Release Rate in Room Fire on Liquid Fuel under Different Ventilation Factors
Joint Authors
Source
International Journal of Chemical Engineering
Issue
Vol. 2012, Issue 2012 (31 Dec. 2012), pp.1-13, 13 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-05-17
Country of Publication
Egypt
No. of Pages
13
Main Subjects
Engineering Sciences and Information Technology
Abstract EN
Heat release rate (HRR) of the design fire is the most important parameter in assessing building fire hazards.
However, HRR in room fire was only studied by computational fluid dynamics (CFD) in most of the projects determining fire safety provisions by performance-based design.
In contrast to ten years ago, officers in the Far East are now having better knowledge of CFD.
Two common questions are raised on CFD-predicted results on describing free boundaries; and on computing grid size.
In this work, predicting HRR by the CFD model was justified with experimental room pool fire data reported earlier.
The software fire dynamics simulator (FDS) version 5 was selected as the CFD simulation tool.
Prescribed input heating rate based on the experimental results was used with the liquid fuel model in FDS.
Five different free boundary conditions were investigated to predict HRR.
Grid sensitivity study was carried out using one stretched mesh and multiple uniform meshes with different grid sizes.
As it is difficult to have the entire set of CFD predicted results agreed with experiments, macroscopic flow parameters on the mass flow rate through door opening predicted by CFD were also justified by another four conditions with different ventilation factors.
American Psychological Association (APA)
Cai, N.& Chow, W. K.. 2012. Numerical Studies on Heat Release Rate in Room Fire on Liquid Fuel under Different Ventilation Factors. International Journal of Chemical Engineering،Vol. 2012, no. 2012, pp.1-13.
https://search.emarefa.net/detail/BIM-507438
Modern Language Association (MLA)
Cai, N.& Chow, W. K.. Numerical Studies on Heat Release Rate in Room Fire on Liquid Fuel under Different Ventilation Factors. International Journal of Chemical Engineering No. 2012 (2012), pp.1-13.
https://search.emarefa.net/detail/BIM-507438
American Medical Association (AMA)
Cai, N.& Chow, W. K.. Numerical Studies on Heat Release Rate in Room Fire on Liquid Fuel under Different Ventilation Factors. International Journal of Chemical Engineering. 2012. Vol. 2012, no. 2012, pp.1-13.
https://search.emarefa.net/detail/BIM-507438
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-507438