Volume 22 Issue 11
Nov.  2007
Turn off MathJax
Article Contents
ZHANG Bo, JI Hong-hu, LUO Ming-dong, HUANG Wei, CAI Xu. Research of the influence of aspect ratio on infrared suppressing characteristics of rectangular nozzles[J]. Journal of Aerospace Power, 2007, 22(11): 1820-1825.
Citation: ZHANG Bo, JI Hong-hu, LUO Ming-dong, HUANG Wei, CAI Xu. Research of the influence of aspect ratio on infrared suppressing characteristics of rectangular nozzles[J]. Journal of Aerospace Power, 2007, 22(11): 1820-1825.

Research of the influence of aspect ratio on infrared suppressing characteristics of rectangular nozzles

  • Received Date: 2006-11-14
  • Rev Recd Date: 2007-02-06
  • Publish Date: 2007-11-28
  • Based on a fanjet currently used in an advanced unmanned vehicle,an axisymmetric nozzle AR0 of 4.3 expansion ratio was obtained.Under the same exit area,five rectangular convergent nozzle models(AR1AR16)of different W/H(W/H=116) were experimentally investigated.The infrared radiation of nozzles and hot jet streams at 35 μm were tested using Fourier Infrared Spectroscope.The results indicate that the magnitude of infrared radiation from rectangular nozzle is smaller than axisymmetric one,and the infrared suppressing effect of rectangular nozzles improves with the increase of aspect ratio.

     

  • loading
  • [1]
    Dusa D J,Speir D W,Rowe R K.Advanced technology fxhaust nozzle development[R].AIAA 83-1286,1983.
    [2]
    理查森 D.现代隐身飞机[M].魏志祥,顾维征,李景忠,等译.北京:科学出版社,1991.Richardson D.Modern stealth airplane[M].Translated by WEI zhixiong,GD Weilun,LI Jingzhong,et al.Beijing:Science Press,1991.
    [3]
    山骐骥,卜满.热喷流红外辐射特性的测试实验研究[J].南京航空航天大学学报,1995,26(6):791-796.SHAN Qiji,BO Man.The experimental study on the infrared radiation characteristics of hot jet[J].Journal of Nanjing University of Aeronautics and Astronautics,1995,26(6):791-796.
    [4]
    郑礼宝.全尺寸二元喷管红外辐射特性研究[J].航空学报,2002,23(2):140-142.ZHEN Libao.Infrared emissions from turbojet with two dimensional nozzle[J].Acta Aeronautic et Astronautic Sinica,2002,23(2):140-142.
    [5]
    Conway W R.Apparatus for suppressing infrared radiation emitted from gas turbine engines[P].United Stated Patent,No.4800715,1989.
    [6]
    罗明东,吉洪湖,黄伟,等.无加力涡扇发动机二元喷管的红外辐射特征实验研究[J].航空动力学报,2006,21(4):631-636.LUO Mingdong,JI Honghu,HUANG Wei,et al.An experimental investigation on infrared radiation characteristics of 2-D nozzles of turbofan engine without afterburning[J].Journal of Aerospace Power,2006,21(4):631-636.
    [7]
    Ludwig C B,Malkmus W,Reardon J E,et al.Handbook of infrared radiation from combustion gases[R].NASA-SP-3080,1973.
    [8]
    Marran D,Kenny P,Markham J,et al.The application of FT-IR spectro-scopy to turbine engine exaust measurement[R].AIAA-2000-2211.
    [9]
    张勃,吉洪湖.大宽高比矩形喷管的射流与外流的掺混特性的数值研究[J].航空动力学报,2005,20(1):104-110.ZHANG Bo,JI Honghu.Numerical investigation of mixing characteristics of jets from rectangular nozzles with large aspect ratio[J].Journal of Aerospace Power,2005,20(1):104-110.
  • 加载中

Catalog

    通讯作者: 陈斌, bchen63@163.com
    • 1. 

      沈阳化工大学材料科学与工程学院 沈阳 110142

    1. 本站搜索
    2. 百度学术搜索
    3. 万方数据库搜索
    4. CNKI搜索

    Article Metrics

    Article views (1889) PDF downloads(422) Cited by()
    Proportional views
    Related

    /

    DownLoad:  Full-Size Img  PowerPoint
    Return
    Return