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Erschienen in: Fire Technology 3/2017

09.01.2017

Semi-empirical Model for Fire Spread in Shrubs with Spatially-Defined Fuel Elements and Flames

verfasst von: Dallan Prince, Chen Shen, Thomas Fletcher

Erschienen in: Fire Technology | Ausgabe 3/2017

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Abstract

A semi-empirical model was developed which forms shrub geometries from distinct fuel elements (e.g. leaves) and describes flame spread from element to element. Ignition, flame growth and flame decay patterns were based on combustion data of single leaves. Extension of the model to various heating conditions was achieved by scaling the flame growth parameters using physics-based heat transfer models. The resulting model offers a novel approach to examine fire spread and to explicitly describe both distinct fuel elements and fire behavior. This approach balances computational speed and modeling detail while providing a unique perspective into fire spread phenomena. Comparisons of the tuned model to fire spread behavior measured in an open-roofed wind tunnel benchmarked the model’s ability to simulate fire spread in manzanita shrubs.

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Metadaten
Titel
Semi-empirical Model for Fire Spread in Shrubs with Spatially-Defined Fuel Elements and Flames
verfasst von
Dallan Prince
Chen Shen
Thomas Fletcher
Publikationsdatum
09.01.2017
Verlag
Springer US
Erschienen in
Fire Technology / Ausgabe 3/2017
Print ISSN: 0015-2684
Elektronische ISSN: 1572-8099
DOI
https://doi.org/10.1007/s10694-016-0644-9

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