A study of the effects of nitric oxide (NO) models on the prediction of NO formation in a gas-fired regenerative furnace with highly preheated air was undertaken. Three chemical kinetic processes for NO formation/depletion, i.e., thermal NO, prompt NO, and NO reburning, are included. In the thermal NO model, the sensitivity encountered when using two different approaches, namely the equilibrium approach and the partial equilibrium approach, for determining the O radical concentration was studied. The effects of the third reaction in the thermal NO mechanism, NO reduction (reburning) mechanism, and different types of probability density functions (PDFs) on the NO predictions have also been tested. The sensitivity of the excess air ratio on the NO generation rate in the furnace has been investigated. Finally, the impact of the temperature on the NO formation rate in the regenerative furnace was discussed. [S0195-0738(00)00304-6]
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December 2000
Technical Papers
Effects of NO Models on the Prediction of NO Formation in a Regenerative Furnace
T. Ishii,
T. Ishii
Materials and Processing Research Center, NKK Corporation, Fukuyama, Hiroshima, Japan 721
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C. Zhang,, Mem. ASME,
C. Zhang,, Mem. ASME
Dept. of Mechanical and Materials Engineering, University of Western Ontario, London, Ontario N6A 5B9, Canada
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S. Sugiyama
S. Sugiyama
Materials and Processing Research Center, NKK Corporation, Fukuyama, Hiroshima 721, Japan
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T. Ishii
Materials and Processing Research Center, NKK Corporation, Fukuyama, Hiroshima, Japan 721
C. Zhang,, Mem. ASME
Dept. of Mechanical and Materials Engineering, University of Western Ontario, London, Ontario N6A 5B9, Canada
S. Sugiyama
Materials and Processing Research Center, NKK Corporation, Fukuyama, Hiroshima 721, Japan
Contributed by the Advanced Energy Systems Division for publication in the JOURNAL OF ENERGY RESOURCES TECHNOLOGY. Manuscript received by the AES Division, July 19, 1999; revised manuscript received July 11, 2000. Associate Technical Editor: S. R. Gollahalli.
J. Energy Resour. Technol. Dec 2000, 122(4): 224-228 (5 pages)
Published Online: July 11, 2000
Article history
Received:
July 19, 1999
Revised:
July 11, 2000
Citation
Ishii, T., Zhang, , C., and Sugiyama, S. (July 11, 2000). "Effects of NO Models on the Prediction of NO Formation in a Regenerative Furnace ." ASME. J. Energy Resour. Technol. December 2000; 122(4): 224–228. https://doi.org/10.1115/1.1318205
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