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Aerospace 2015, 2(2), 279-311; doi:10.3390/aerospace2020279

Interaction between Crosswind and Aviation-Fuel Fire Engulfing a Full-Scale Composite-Type Aircraft: A Numerical Study

Institut P', Fluides–Thermique–Combustion, CNRS, ENSMA, Université de Poitiers, BP 40109, 86961 Futuroscope Chasseneuil Cedex, France
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Academic Editor: Yang Zhang
Received: 3 April 2015 / Revised: 20 May 2015 / Accepted: 21 May 2015 / Published: 28 May 2015
(This article belongs to the Special Issue Aviation Alternative Fuels and Energies)

Abstract

This numerical study focuses on the fire phenomenology associated with the presence of a composite-type aircraft immersed, at one particular location and orientation, within a large aviation-fuel fire in a moving fluid medium. An extension of the eddy dissipation concept is incorporated, allowing one to investigate the roles of the wind speed and its direction on the fire growth, heat flux distribution and smoke products, such as carbon monoxide and soot. The predicted flame shape compares well with the measurements for an intermediate-scale fire. The outcome of the study is interesting, and the interaction model between turbulence and combustion is indeed adequate. The prediction indicates that interaction between the large object and fire environment combined with the influence of wind conditions dramatically affects the continuous flame shape. The increase of the wind speed results in an alteration of the distribution of the incident heat fluxes to the engulfed fuselage skin for a case where the fire and fuselage are of comparable size. The highest heat flux occurs on the windward side of the fuselage for the low and medium winds, but on the leeward side of the fuselage for the high wind. The peak in heat flux to the medium or high wind is almost equal in magnitude, but about a factor four increase of that to the low wind. View Full-Text
Keywords: pool fire models; crosswind; flame shape; toxic product; heat flux pool fire models; crosswind; flame shape; toxic product; heat flux
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Wang, H.Y.; Da Wang, G. Interaction between Crosswind and Aviation-Fuel Fire Engulfing a Full-Scale Composite-Type Aircraft: A Numerical Study. Aerospace 2015, 2, 279-311.

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