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Oscillating and rotating flame patterns in radial microchannels

DSpace at IIT Bombay

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Title Oscillating and rotating flame patterns in radial microchannels
 
Creator MINAEV, S
FURSENKO, R
SERESHCHENKO, E
FAN, AW
KUMAR, S
 
Subject Flame front
Burning velocity
Flame extinction/ignition
Micro channel
Thermal-diffusive instability
COMBUSTION
DYNAMICS
CHANNEL
 
Description The thermal-diffusive model was applied to demonstrate possibility of formation of oscillating or rotating spatial flame structures, which were described previously in experimental works on premixed gas combustion in the clearance between two disks with radial feeding of premixture. The gas flow was assigned and described by the Poiseuille-flow velocity profile. Rotating and oscillating flame patterns in a radial channel were observed only within certain ranges of gas flow rates. Formation of these special flame structures is related to preheating of unburned mixture by hot walls and non-uniform velocity distribution inside the microchannel. (C) 2012 The Combustion Institute. Published by Elsevier Inc. All rights reserved.
 
Publisher ELSEVIER SCIENCE INC
 
Date 2014-10-15T15:44:27Z
2014-10-15T15:44:27Z
2013
 
Type Article
 
Identifier PROCEEDINGS OF THE COMBUSTION INSTITUTE, 343427-3434
1540-7489
1873-2704
http://dx.doi.org/10.1016/j.proci.2012.06.029
http://dspace.library.iitb.ac.in/jspui/handle/100/15185
 
Language en