On flame propagation in narrow channels with enhanced wall thermal conduction

Veeraragavan, Ananthanarayanan (2015) On flame propagation in narrow channels with enhanced wall thermal conduction. Energy, 93 1: 631-640. doi:10.1016/j.energy.2015.09.085

Author Veeraragavan, Ananthanarayanan
Title On flame propagation in narrow channels with enhanced wall thermal conduction
Journal name Energy   Check publisher's open access policy
ISSN 0360-5442
Publication date 2015-12-15
Sub-type Article (original research)
DOI 10.1016/j.energy.2015.09.085
Open Access Status Not Open Access
Volume 93
Issue 1
Start page 631
End page 640
Total pages 10
Place of publication London, United Kingdom
Publisher Elsevier
Language eng
Subject 2205 Civil and Structural Engineering
2215 Building and Construction
2310 Pollution
2100 Energy
2210 Mechanical Engineering
2209 Industrial and Manufacturing Engineering
2208 Electrical and Electronic Engineering
Abstract The influence of orthotropic wall materials, which have enhanced thermal conductivity in the axial direction, on the flame speed is explored via an analytical model in a parallel plate microcombustor. The model accounts for 2D conjugate heat transfer (both in wall and gas) and fuel species transport in the micro-channel. The effects of heat loss, orthotropic wall thermal conductivities, and wall thickness on the flame speed are explored. The results indicate that as the axial thermal conductivity of the wall is increased, the allowable heat losses to the ambient by the burner also increased. Thicker walls showed increased benefit to the thermal conductivity tailoring than thinner wall designs; both in increased flame speeds as well as the ability to tolerate higher heat losses without extinction. Total heat recirculation is shown to be the primary parameter to control the flame speed.
Keyword Micro-combustion
Orthotropic thermal conductivity
Flame speed
Conjugate heat transfer
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mechanical & Mining Engineering Publications
Official 2016 Collection
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Citation counts: TR Web of Science Citation Count  Cited 24 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 23 times in Scopus Article | Citations
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Created: Sun, 01 Nov 2015, 19:29:11 EST by Anand Veeraragavan on behalf of School of Mechanical and Mining Engineering