射流倾斜角度对高温空气燃烧中NOx排放的影响

2012 IEEE International Conference on Imaging Systems and Techniques Proceedings Pub Date : 2012-07-16 DOI:10.1109/IST.2012.6295522

Xiaolu Li, Zhongbao Wei, Lijun Xu, Yanting Cheng

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引用次数: 4

摘要

本文研究了高温空气燃烧炉中燃料射流倾斜角度对NOx排放浓度的影响。采用计算流体动力学(CFD)模型对炉内的燃烧过程和NOx生成进行了研究。通过与实测数据的比较，验证了本文所建立的CFD模型的正确性。结果表明:增大燃料射流倾斜角度，NOx排放浓度降低;此外，随着氧浓度的降低，NOx排放浓度下降。随着氧浓度的增加，倾斜角度对NOx生成的影响程度增大。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Effect of inclined angle of fuel jet on NOx emission in high temperature air combustion

This paper investigates the effect of inclined angle of fuel jet on concentration of NOx emission in high temperature air combustion furnace. Computational Fluid Dynamics (CFD) modeling was implemented to investigate the combustion process and NOx formation in the furnace. The CFD model presented in this paper is validated by comparing the modeling results with measured data. The results show that the concentration of NOx emission decreases by increasing the inclined angle of fuel jet. Besides, the concentration of NOx emission drops with the decrease of oxygen concentration. Moreover, the effecting degree of inclined angle on NOx formation increases with the increase of oxygen concentration.

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2012 IEEE International Conference on Imaging Systems and Techniques Proceedings

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