燃烧室是燃气轮机的核心部件之一,其中的燃烧过程的关键技术之一是如何避免和抑制振荡燃烧现象.本文简要阐述了发生振荡燃烧的机理以及亥姆霍兹共振器抑制振荡燃烧的声学分析,并且通过线性分析与CFD计算相结合的研究方法对燃烧系统的燃烧稳定性进行计算;同时分析了共振器共振频率和安装位置对燃烧稳定性的影响,得出在不同因素影响下,系统的稳定性和模态.这些分析有助于我们在设计和运行燃烧系统时,实现燃烧系统的安全、高效和清洁运行.
参考文献
[1] | Lieuwen T .Modeling Premixed Combustion-Acoustic Wave Interactions:A Review[J].Journal of Propulsion and Power,2003,19:765-781. |
[2] | Reuter D M;Hegde U G;Zinn B T .Flowfield Measurements in an Unstable Ramjet Burner[J].Journal of Propulsion and Power,1990,6:685-865. |
[3] | Iain D. J. Dupere;Ann P. Dowling .The Use of Helmholtz Resonators in a Practical Combustor[J].Journal of engineering for gas turbines and power: Transactions of the ASME,2005(2):268-275. |
[4] | Howe MS. .INFLUENCE OF CROSS-SECTIONAL SHAPE ON THE CONDUCTIVITY OF A WALL APERTURE IN MEAN FLOW[J].Journal of Sound and Vibration,1997(5):601-616. |
[5] | Zhu M;Dowling A P;Bray K N C.Integration of CFD and Low-Order Models for Combustion Oscillations in Aeroengines[A].Bangalore,India,2001 |
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