IMECH-IR  > 力学所知识产出(1956-2008)
The use of nonsymmetrical jets for the stabilization of low grade coal flames
Wu CK(吴承康); Chen LF; Li J; Wang HY; Wei JB; Zhan HQ; Zhu FY
Source PublicationProceedings of the 22nd Symposium (International) on Combustion
1989
Pages193-199
Conference NameThe 22nd Symposium (International) on Combustion
Conference Date1988
Conference PlaceBaltimore
Abstract

Two new aerodynamic methods of flame stabilization have been developed which are especially suitable for low grade pulverized coals or coal-water-slurries. One is based on the Coanda effect, which causes the flat inlet jet of air to attach to the bottom of the precombustion chamber and creates a large recirculation in the upper half of the chamber with strong turbulence and mixing. The inertia of the coal particles projects them into the high temperature zone, thus they quickly ignite and burn, leading to a stable flame. The other is based on an off-axis, slightly tilted primary jet, which produces a three-dimensional flow-field with large recirculation and good mixing. The distribution of coal is also favorable for stable combustion.

Indexed ByEI
Language英语
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Document Type会议论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/78039
Collection力学所知识产出(1956-2008)
Recommended Citation
GB/T 7714
Wu CK,Chen LF,Li J,et al. The use of nonsymmetrical jets for the stabilization of low grade coal flames[C],1989:193-199.
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