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Title Cross-Jet Mixing of Reburning Gas and Secondary Air in Municipal Waste Incinerators
Creator Yori, K.
Publisher Digitized by J. Willard Marriott Library, University of Utah
Date 1999
Spatial Coverage presented at San Francisco, California
Abstract The natural gas reburning is an attractive method for NOx reduction in municipal waste incinerators. The reburning de-Nox system utilizes hydrocarbonradicals' reduction effect of NO by injecting natural gas into the incinerator. The reburning is also expected to reduce CO emission and other hazardous components by promoting the mixing. In this technique, the natural gas is injected into the waste burned gas flows. The mixing degree of the reburning gas jet (the natural gas jet) with the burned gas flow is one of the most important factors to reduce them. Cross jet injection into the combustion chamber plays the key role in this mixing process. We do not. however, well understand the general relationship between the mixing degree and the jet conditions such as the nozzle diameter, the number of nozzles and the jet velocity. In this study, major design parameters are quantitatively investigated by the flow simulation results for simplified model incinerators. The degree of mixing of the jet with the cross gas stream is evaluated in terms of the standard deviation of the jet fluid concentration distributions normalized by mean concentration. The result of this study will provide useful information for designing the jet conditions issuing from the round nozzles in municipal waste incinerators.
Type Text
Format application/pdf
Language eng
Rights This material may be protected by copyright. Permission required for use in any form. For further information please contact the American Flame Research Committee.
Conversion Specifications Original scanned with Canon EOS-1Ds Mark II, 16.7 megapixel digital camera and saved as 400 ppi uncompressed TIFF, 16 bit depth.
Scanning Technician Cliodhna Davis
Metadata Cataloger Kendra Yates
ARK ark:/87278/s62r3v8s
Setname uu_afrc
Date Created 2012-05-15
Date Modified 2012-09-05
ID 10969
Reference URL https://collections.lib.utah.edu/ark:/87278/s62r3v8s

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Title Page 2
Format application/pdf
OCR Text Show
Setname uu_afrc
Date Created 2012-05-15
Date Modified 2021-05-06
ID 10959
Reference URL https://collections.lib.utah.edu/ark:/87278/s62r3v8s/10959