KAUST DepartmentClean Combustion Research Center
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AbstractIn this study, measurements were performed to assess the overall mixing in jet-stirred reactors (JSRs) passively agitated by feed nozzles. The reactor diameter, nozzle shape, and nozzle diameter were varied to determine the effects of these geometrical parameters on mixing. The mixing was studied at ambient conditions using laser absorption spectroscopy to follow the exit concentration of a tracer gas, carbon dioxide, after a step change in its input flow. The results indicate that the use of a JSR of diameter D = 40 mm, having inclined or crossed nozzles of diameter d = 1 mm is recommended for low residence times up to 0.4 sec, while at moderate/high residence times 0.5-5 sec the use of a JSR of D = 56 mm and d = 0.3 mm having crossed nozzles is suggested.
CitationMixing-Structure Relationship in Jet-Stirred Reactors 2016 Chemical Engineering Research and Design
SponsorsThis work was supported by the King Abdullah University of Science and Technology Clean Combustion Research Center and Saudi Aramco under the FUELCOM program. We thank Dr. Frédérique Battin-Leclerc, Dr. Olivier Herbinet, and Dr. Philippe Dagaut for providing jet-stirred reactor designs. We also thank Dr. Ghada El-Kadamany and Rachelle Smith for their help in proofreading the manuscript.