NDLI: Numerical research of premixed combustion of diluted methane in a tubular flame burner

Content Provider	IEEE Xplore Digital Library
Author	Gao, N. Zhao, D.Q. Wang, X.H. Yang, H.L. Zhang, L.Z. Yang, W.B.
Copyright Year	2013
Description	Author affiliation: Key Lab. of Renewable Energy & Gas Hydrate, Guangzhou Inst. of Energy Conversion, Guangzhou, China (Gao, N.; Zhao, D.Q.; Wang, X.H.; Yang, H.L.; Zhang, L.Z.; Yang, W.B.)
Abstract	This paper presents numerical simulations of premixed combustion of low calorific value gases (LCVGs), providing a description of the flame characteristics in a tubular flame burner. The investigated gaseous fuels were methane diluted with nitrogen, simulating LCVGs with different heat values by regulating quantity of nitrogen. The flame shape and thermal field are consistent with experimental results. It consists of two segments of different feature, the lengths of which dependent on inlet velocity. Comparative study of flow fields at cold and thermal states were carried out with an aim to gain further understanding of the flow/flame interaction in the tubular burner. Heat release from combustion diverts the main pressure gradient to axial direction, thereby tangential velocity drop tends to close with axis of swirling, and axial velocity distribution changes to be trapezoid-shaped. Changing in low heat values influences the burning positively, while the flow does not exert an apparent effect.
Starting Page	770
Ending Page	773
File Size	129065
Page Count	4
File Format	PDF
ISBN	9781479933358
e-ISBN	9781479933365
DOI	10.1109/ICMREE.2013.6893788
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-08-19
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Gases Tubular flame Furnaces Heating Flame stability Swirling flow Fires Combustion LCVG Fuels Mathematical model
Content Type	Text
Resource Type	Article

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