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Title Numerical Study on Combustion Characteristics and NOx Emission in Highly Preheated and Diluted Air Combustion
Creator Yuan, J.; Naruse, Ichiro
Publisher Digitized by J. Willard Marriott Library, University of Utah
Date 1998
Spatial Coverage presented at Maui, Hawaii
Abstract The gas diffusion combustion in a regenerative furnace with highly preheated and diluted air has been numerically investigated in this paper. The highly preheated air combustion possesses high combustion intensity and high level temperature, but the NOx emission also has an unwanted high level. Decreasing the oxygen concentration in the highly preheated air could decrease the NOx emission and improve the uniformity of temperature distribution in the furnace. The combustion characteristics of highly preheated and diluted air combustion have been studied, including temperature distribution, soot formation, OH radical distribution, as well as NOx emission. The influence of the preheated air temperature, the oxygen concentration, and the air diluent has also been investigated. The optimal combinations of the preheated air temperature and the oxygen concentration have been predicted in the case of flue gas recirculation, which could provide the possible highest temperature in the furnace while keeping the NOx emission lower than the permitted value.
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
ARK ark:/87278/s6kh0qxr
Setname uu_afrc
ID 11960
Reference URL https://collections.lib.utah.edu/ark:/87278/s6kh0qxr

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Title Page 16
Format application/pdf
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Setname uu_afrc
ID 11957
Reference URL https://collections.lib.utah.edu/ark:/87278/s6kh0qxr/11957