Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 36, Issue 1, Pages 992-1005Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2010.08.147
Keywords
Syngas Bunsen flames; Flame speed; Flame stability; OH* Chemiluminescence; Schlieren
Categories
Funding
- CNRS
- Conseil Regional Centre
- Propulsion Engineering Research Center, Pennsylvania State University, State College, PA
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Laminar flame speeds of syngas mixtures (H-2/CO/Air) have been studied using the Bunsen flame configuration with both straight and nozzle burners. The flame surface area and flame cone angle methodologies, respectively based on the OH* chemiluminescence and Schlieren imaging techniques, have been performed to extract flame speeds for a wide range of equivalence ratios (0.3 < phi < 1.2) and mixture compositions (1% < %H-2 <100%). As a result, a flame speed correlation established for lean syngas flames with 0.6 < phi < 1.0 and 10% < %H-2 <70% is proposed. A particular attention has been devoted to the development and validation of the OH* chemiluminescence methodology with the identification of important parameters governing the measurement accuracy. (C) 2010 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.
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