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非均匀速度来流条件下液体射流喷雾特性

孔祥壮 何悟 郭志辉

孔祥壮, 何悟, 郭志辉. 非均匀速度来流条件下液体射流喷雾特性[J]. 航空动力学报, 2022, 37(3): 534-544. doi: 10.13224/j.cnki.jasp.20210151
引用本文: 孔祥壮, 何悟, 郭志辉. 非均匀速度来流条件下液体射流喷雾特性[J]. 航空动力学报, 2022, 37(3): 534-544. doi: 10.13224/j.cnki.jasp.20210151
KONG Xiangzhuang, HE Wu, GUO Zhihui. Spray characteristics of liquid jet in nonuniform crossflow[J]. Journal of Aerospace Power, 2022, 37(3): 534-544. doi: 10.13224/j.cnki.jasp.20210151
Citation: KONG Xiangzhuang, HE Wu, GUO Zhihui. Spray characteristics of liquid jet in nonuniform crossflow[J]. Journal of Aerospace Power, 2022, 37(3): 534-544. doi: 10.13224/j.cnki.jasp.20210151

非均匀速度来流条件下液体射流喷雾特性

doi: 10.13224/j.cnki.jasp.20210151
基金项目: 国家科技重大专项(2017-Ⅲ-0008-0034)
详细信息
    作者简介:

    孔祥壮(1996-),男,硕士生,主要从事航空发动机燃烧室雾化研究。

  • 中图分类号: V231.2

Spray characteristics of liquid jet in nonuniform crossflow

  • 摘要: 实验研究了非均匀速度来流条件下液体横向射流喷雾特性。实验利用多孔板实现速度的不均匀,应用片光照相得到喷雾中心截面照片,使用相位多普勒粒子分析仪(PDPA)测量液滴的直径和速度。实验结果表明:在非均匀速度来流中,射流的弯曲和破碎机理有所不同,导致穿透深度和雾化特性发生改变。与均匀速度来流相比,正速度梯度来流时射流穿透深度更大,液柱破碎高度增大,浓度场分布更加均匀,射流呈现平抛形态;负速度梯度时喷雾场整体内移,浓度场呈明显分层结构,射流尾迹区增长,射流为坍塌形态。初步提出适用于非均匀速度来流条件下的射流穿透深度经验公式。非均匀速度来流可以改善雾化及均匀度,其中负速度梯度来流时液雾的索太尔平均直径(SMD)最小。

     

  • [1] LOVETT J,BROGAN T,PHILIPPONA D,et al.Development needs for advanced afterburner designs[R].AIAA 2004-4192,2004.
    [2] EBRAHIMI H.Overview of gas turbine augmentor design,operation,and combustion oscillation[R].AIAA 2006-4916,2006.
    [3] FOUST M,THOMSEN D,STICKLES R,et al.Development of the GE aviation low emissions TAPS combustor for next generation aircraft engines[R].AIAA 2012-0936,2012.
    [4] WU P K,KIRKENDALL K A,FULLER R P,et al.Breakup processes of liquid jets in subsonic crossflows[J].Journal of Propulsion and Power,1997,13(1):64-73.
    [5] BIROUK M,AZZOPATDI B J,STABLER T.Primary break-up of a viscous liquid jet in a cross airflow[J].Particle and Particle Systems Characterization,2003,20(4):283-289.
    [6] BROUMAND M,BIROUK M.Liquid jet in a subsonic gaseous crossflow:recent progress and remaining challenges[J].Progress in Energy and Combustion Science,2016,57:1-29
    [7] 林宇震,李林,张弛,等.液体射流喷入横向气流混合特性研究进展[J].航空学报,2014,35(1):46-57.
    [8] ELSHAMY O,TAMBE S,CAI J,et al.Structure of liquid jets in subsonic crossflow at elevated ambient pressures[R].AIAA-2006-1224,2006.
    [9] LAKHAMRAJU B.Liquid jet breakup studies in subsonic airstream at elevated temperatures[D].Lincinnati,Ohio,US:University of Cincinnati,2005.
    [10] STENZLER J N,LEE J G,SANTAVICCA D A,et al.Penetration of liquid jets in a crossflow[R].AIAA-2013-1327,2003.
    [11] TAMBE S B,ELSHAMY O JENG S M.Liquid jets injected transversely into a shear layer[R].Reno,Nevada,US:45th AIAA Aerospaces Science Meeting and Exhibit,2013.
    [12] TAMBE S B,ELSHAMY O,JENG S M.Spray properties of liquid jets injected transversely into a shear layer[R].Cincinnati,US:43rd AIAA/ASME/SAE/ASEE Joint Propulsion Conference and Exhibit,2013.
    [13] BECKER J,HASSA C.Liquid fuel placement and mixing of generic aeroengine premix module at different operating conditions[J].Journal of Engineering for Gas Turbines and Power,2003,125(4):901-908.
    [14] LIN C K,KENNEDY J P,JACKSON T A.A review of penetration heights of transverse liquid jets in high-speed flows[R].Lavergne,France:15th Annul Conference on Liquid Atomization and Spray System,1999.
    [15] WANG Q,MONDRAGON U M,BROWN C T,et al.Characterization of trajectory,break point,and break point dynamics of a plain liquid jet in a crossflow[J].Atomization and Sprays,2011,21(3):203-219.
    [16] ESLAMIAN M,AMIGHI A,ASHGRIZ N.Atomization of liquid jet in high-pressure and high temperature subsonic crossflow[J].AIAA Journal,2014,52(7):1374-1385.
    [17] RANGER A A,NICHOLLS A J.Aerodynamic shattering of liquid drops[J].AIAA Journal,1969,7(2):285-290.
    [18] WU P K,FULLER R P,KIRKENDALL K A,et al.Spray structures of liquid jets atomized in subsonic crossflows[J].Journal of Propulsion and Power,1998,14(2):173-182.
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出版历程
  • 收稿日期:  2021-04-06
  • 刊出日期:  2022-03-28

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