Experimental investigation of influence of heat recirculation on temperature distribution and burning velocity in a simulated micro-burner

Veeraragavan, A. and Cadou, C. (2007). Experimental investigation of influence of heat recirculation on temperature distribution and burning velocity in a simulated micro-burner. In: Collection of technical papers: 45th AIAA Aerospace Sciences Meeting. 45th AIAA Aerospace Sciences Meeting 2007, Reno, NV, United States, (7000-7009). 8 – 11 January 2007.

Author Veeraragavan, A.
Cadou, C.
Title of paper Experimental investigation of influence of heat recirculation on temperature distribution and burning velocity in a simulated micro-burner
Conference name 45th AIAA Aerospace Sciences Meeting 2007
Conference location Reno, NV, United States
Conference dates 8 – 11 January 2007
Proceedings title Collection of technical papers: 45th AIAA Aerospace Sciences Meeting
Journal name Collection of Technical Papers - 45th AIAA Aerospace Sciences Meeting
Place of Publication Reston, VA, United States
Publisher American Institute of Aeronautics and Astronautics
Publication Year 2007
Sub-type Fully published paper
ISBN 9781563478901
Volume 10
Start page 7000
End page 7009
Total pages 10
Language eng
Abstract/Summary The effect of heat recirculation on the temperature distribution and burning velocity for premixed CH4-Air flames stabilized in micro-channels is investigated experimentally using a silicon-walled micro-burner. Measurements of the temperature profile in the gas are made at different axial locations in the micro-burner using a non-intrusive infrared absorption technique. These are used to compute the spatial distribution of the heat flux from the gas to the combustor structure. The heat flux measurements are combined with measurements of the outer surface temperature distribution made using an infrared camera and a model for heat loss to the environment to determine the amount of heat recirculation that occurs between the post and pre-flame regions. The results show that increasing heat recirculation increases burning velocity. These results are consistent with the predictions of classical models for flame propagation and more recent analytical and numerical models for the micro-combustion process.
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Conference Paper
Collection: School of Mechanical & Mining Engineering Publications
 
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Created: Mon, 04 Jun 2012, 11:38:47 EST by Rose Clements on behalf of School of Mechanical and Mining Engineering