乙烯燃料超燃冲压发动机流场振荡及其控制研究

推进技术 ›› 2015, Vol. 36 ›› Issue (7): 961-967.

• 总体与系统 • 下一篇

乙烯燃料超燃冲压发动机流场振荡及其控制研究

田　野,乐嘉陵,杨顺华,肖保国

中国空气动力研究与发展中心吸气式高超声速技术研究中心，四川绵阳 621000,中国空气动力研究与发展中心吸气式高超声速技术研究中心，四川绵阳 621000,中国空气动力研究与发展中心吸气式高超声速技术研究中心，四川绵阳 621000,中国空气动力研究与发展中心吸气式高超声速技术研究中心，四川绵阳 621000

发布日期:2021-08-15
作者简介:田　野(1987—)，男，博士生，研究领域为超燃冲压发动机燃烧室技术。
基金资助:
国家自然科学基金(51376193；51376194)。

Study on Flow Oscillation and Its Control Methods in an Ethylene-Fueled Scramjet Combustor

Airbreathing Hypersonics Research Center of China Aerodynamics Research and Development Center，Mianyang 621000，China,Airbreathing Hypersonics Research Center of China Aerodynamics Research and Development Center，Mianyang 621000，China,Airbreathing Hypersonics Research Center of China Aerodynamics Research and Development Center，Mianyang 621000，China and Airbreathing Hypersonics Research Center of China Aerodynamics Research and Development Center，Mianyang 621000，China

Published:2021-08-15

摘要/Abstract

摘要： 为了研究超燃冲压发动机燃烧室内的流场振荡原因与抑制振荡的方法，采用非定常数值模拟研究了乙烯燃料超燃冲压发动机的流场振荡现象。结果表明:在燃烧室入口马赫数2，静温530K，静压0.1MPa的入流条件下，冷流流场存在振荡现象，主要是由于凹槽内低速流体与主流高速流体形成的剪切层周期性的振荡，流场振荡周期为13.6ms，振荡频率为73.5Hz；K1或K2油位注油当量比0.1，均可以有效地抑制流场的振荡，流场达到稳定所需时间分别为8ms和30ms；K3油位注油当量比0.1或0.2均不能抑制流场的振荡，但使振荡周期由15.13ms转为5.7ms，振荡频率由66.1Hz转变为175.3Hz；五点注油有效地提高了发动机的推力性能。

关键词: 超燃冲压发动机；非定常数值模拟；振荡；频率；性能

Abstract: In order to study the flow oscillation and its control methods，unsteady numerical simulation was used to investigate the oscillation in an ethylene-fueled scramjet combustor. Results show that under the inflow air condition Mach number 2.0，static temperature 530K，static pressure 0.1MPa，the cold flow field is oscillatory for the shear layer produced by the small velocity field in the cavity and the large velocity field in the main flow is periodic oscillatory at the cycle time 13.6ms and the frequency 73.5Hz. The field-oscillation can be controlled by fueled on K1 or K2 location with the equivalence ratio 0.1，the time for the field gets steady is 8ms or 30ms. The field-oscillation can not be controlled by fueled on K3 location with the equivalence ratio 0.1 or 0.2，but the flow cycle time changes from 15.13ms to 5.7ms，the frequency changes from 66.1Hz to 175.3Hz. Fueled on five locations can improve the thrust performance of the scramjet.

Key words: Scramjet；Unsteady simulation；Oscillation；Frequency；Performance

田　野,乐嘉陵,杨顺华,肖保国. 乙烯燃料超燃冲压发动机流场振荡及其控制研究[J]. 推进技术, 2015, 36(7): 961-967.

TIAN Ye,LE Jia-ling,YANG Shun-hua,XIAO Bao-guo. Study on Flow Oscillation and Its Control Methods in an Ethylene-Fueled Scramjet Combustor[J]. Journal of Propulsion Technology, 2015, 36(7): 961-967.

参考文献

[1] Zhang X, Edwards J A. An Investigation of Supersonic Oscillatory Cavity Flows Driven by Thick Shear Layers [J]. Aeronautical Journal, 1990, 94(12): 355-364.
[2] Kumar A, Bushnell D M, Hussaini M Y. Mixing Augmentation Technique for Hypervelocity Scramjet[J]. Journal of Propulsion and Power,1989, 5(5): 514-522.
[3] Krishnamurty K. Acoustic Radiation from Two-Dimensional Cut-Out in Aerodynamic Surface[R] . NACA TN 3487, 1955.
[4] Rizzetta D P. Numerical Simulation of Supersonic Flow over a Three-Dimensional Cavity[J]. AIAA Journal, 1988, 26 (7): 799～807.
[5] Sato N, Imamura A, Shib S. et al. Advancing Mixing Control in Supersonic Airstream with a Wall-Mounted Cavity[R]. AIAA 96-4510.
[6] 王西耀, 杨顺华, 乐嘉陵. 超燃冲压发动机带凹槽的燃烧室流场振荡研究[J].推进技术, 2013, 34(5). (WANG Xi-yao, YANG Shun-hua , LE Jia-ling, et al. A Study on Flow Oscillation in Scramjet Combustor with Cavity [J]. Journal of Propulsion Technology, 2013, 34(5).)
[7] 杨顺华. 碳氢燃料超燃冲压发动机数值研究 [D]. 绵阳: 中国空气动力研究与发展中心, 2006.
[8] 赵慧勇. 超燃冲压整体发动机并行数值研究 [D]. 绵阳: 中国空气动力研究与发展中心, 2005.
[9] 田野. 空气节流对超燃燃烧室燃烧性能影响研究[D]. 绵阳: 中国空气动力研究与发展中心, 2013.
[10] Jeong Y C, Jinhyeon N, Jong R B, et al. Numerical Investigation of Combustion/Shock-Train Interactions in a Dual-Mode Scramjet Engine [R]. AIAA 2011-2395.
[11] 田野, 乐嘉陵, 杨顺华, 等. 空气节流对超燃燃烧室流场结构和燃料混合影响的数值研究[J]. 推进技术, 2013, 34(1): 47-53. (TIAN Ye, LE Jia-ling, YANG Shun-hua, et al. Numerical Study on Air Throttling Influence of Flow Structure and Fuel-Air Mixing in the Scramjet Combustor [J]. Journal of Propulsion Technology, 2013, 34(1): 47-53)
[12] 田野, 乐嘉陵, 杨顺华, 等. 空气节流对超燃燃烧室火焰稳定影响的数值研究[J]. 推进技术, 2013, 34(6). (TIAN Ye, LE Jia-ling, YANG Shun-hua, et al. Numerical Study on Air Throttling Influence of Flame Stabilization in the Scramjet Combustor [J].Journal of Propulsion Technology, 2013, 34(6).)
[13] 田野, 杨顺华, 邓维鑫, 等. 超燃冲压发动机燃烧室空气节流技术研究[J].推进技术, 2014, 35(4). (TIAN Ye, YANG Shun-hua, DENG Wei-xin et al. Study on Air Throttling Technology in the Scramjet Combustor [J]. Journal of Propulsion Technology, 2014, 35(4): 499-506.)
[14] 田野, 乐嘉陵, 杨顺华, 等. 空气节流对超燃燃烧室起动点火影响的数值研究[J]. 航空动力学报, 2013, 28(7): 1495-1502.
[15] 邓维鑫, 乐嘉陵, 杨顺华, 等. M3 条件下乙烯燃料超燃冲压发动机空气节流点火试验[J]. 推进技术, 2013, 34(9).(DENG Wei-xin, LE Jia-ling, YANG Shun-hua, et al.Air-Throttling Ignition Experiments of Ethylene Fueled Scramjet at Mach 3 [J]. Journal of Propulsion Technology, 2013, 34(9).)(编辑:梅瑛)　　　　　　　　　　　　　*　收稿日期:2014-05-15；修订日期:2014-06-30。基金项目:国家自然科学基金(51376193；51376194)。作者简介:田野(1987—),男,博士生,研究领域为超燃冲压发动机燃烧室技术。E-mail:tianye_cardc@163.com

乙烯燃料超燃冲压发动机流场振荡及其控制研究

Study on Flow Oscillation and Its Control Methods in an Ethylene-Fueled Scramjet Combustor

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