突扩间隙对扩压器性能影响的数值研究

下载PDF

导出

摘要为得到性能更好的扩压器,通过数值计算软件研究突扩间隙对扩压器压力、流场特性的影响.研究发现,存在合适的突扩间隙比使扩压器性能达到最佳,较小或较大突扩间隙均会降低扩压器品质.

作者姜琴

机构地区厦门大学航空航天学院

出处《军民两用技术与产品》 2018年第24期173-173,共1页 Dual Use Technologies & Products

关键词突扩间隙扩压器性能

参考文献1

1Fishenden C R, Stevens S J. Performance of Annular Combustor- Dump Diffusers [J]. Journal of Aircraft, 1977, 14(1): 60-67.
2Sanalkumar V R, Muraleedharan A, Khan Y, et al. Studies on Dump Diffusers for Modern Aircraft Engines [R]. AIAA 2007-5161.
3Walker A D, Carrotte J F, McGuirk J J. The Influence of Dump Gap on External Combustor Aerodynamics at High Fuel Injector Flow Rates [ J]. Journal of Engineer- ing for Gas Turbines and Power, 2009, 131 (3): 031506.
4Dunn J J, Rickliek M. Flow Characterization of a Three-Dimensional Separated Annular Diffuser [R]. ASME 2009-EC-10533.
5Klein A. Characteristics of Combustor Diffusers [J]. Progress in Aerospace Sciences, 1995, 31(3): 171-271.
6Kumar V R S, Sahoo S K, Raghunathan S. Internal Flow Simulation of Dump Diffusers for Modern Aircraft Engines[ R]. AIAA 2009-4832.
7Ghose P, Datta A, Mukhopadhyay A. Effect of Dome Shape on Static Pressure Recovery in a Dump Diffuser at Different Inlet Swirl[J]. International Journal of Emerg-ing Technology and Advanced Engineering, 2013, 3: 465-471.
8Bernier B C, Dunn J J, Ricklick M, et al. Performance of Three-Dimensional Annular Diffusers with Varying Dump Gap Ratios[R]. AIAA 2011-745.
9Walker A D, Carrotte J F, Denman P A. Annular Dif- fusers with Large Downstream Blockage Effects for Gas Turbine Combustion Applications[J]. Journal of Propul- sion and Power, 2011, 27(6): 1218-1231.
10Shyy W Heserrmann. Influence of Compressor Exit Con- ditions on Diffuser Performance [R]. AIAA 85-1440.

军民两用技术与产品

2018年第24期

内容加载中请稍等...