Flame spread over solid fuels in opposite natural convection

Fernández Tarrazo, Eduardo and Liñán Martínez, Amable (2002). Flame spread over solid fuels in opposite natural convection. In: "29 Symposium (International) on Combustion", July 21-26 2002, Sapporo, Japan.

Description

Title: Flame spread over solid fuels in opposite natural convection
Author/s:
  • Fernández Tarrazo, Eduardo
  • Liñán Martínez, Amable
Item Type: Presentation at Congress or Conference (Article)
Event Title: 29 Symposium (International) on Combustion
Event Dates: July 21-26 2002
Event Location: Sapporo, Japan
Title of Book: 29 Symposium (International) on Combustion
Date: 2002
Volume: 29
Subjects:
Freetext Keywords: Flame research; Fuels; Natural convection; Stoichiometry; Solid fuels; Combustion
Faculty: E.T.S.I. Aeronáuticos (UPM)
Department: Motopropulsión y Termofluidodinámica [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

The downward spread of a flame along the surface of a thermally thick solid fuel inclined at an angle to the vertical is investigated, The flow and the heat transfer in the flame front region that controls the spread rate are described numerically using a single-step Arrhenius model for the gas-phase reaction. The effect of the finite rate kinetics is discussed in terms of a Damköhler number defined as the square of the ratio of the speed of the planar stoichiometric flame of the fuel vapor to the characteristic speed induced by buoyancy in the flame front region. The computed spread rate is lower when the burning surface faces downward than when it faces upward due to the influence of the pressure gradient parallel to the surface.

More information

Item ID: 922
DC Identifier: http://oa.upm.es/922/
OAI Identifier: oai:oa.upm.es:922
Deposited by: Archivo Digital UPM
Deposited on: 28 Mar 2008
Last Modified: 20 Apr 2016 06:35
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