全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

水滴撞击特性的动态图像测量方法

, PP. 254-258

Full-Text   Cite this paper   Add to My Lib

Abstract:

用石膏脱模的方法制作圆柱实验件.实验采集圆柱试件表面不同位置染色过程的动态视频数据;依据圆柱驻点处色度值时序信号的增长曲线,将实验划分为欠饱和区、平衡区和过饱和区3个阶段;将平衡区RGB色度空间的色度值c与水滴撞击特性的局部水收集系数建立关联.结果表明平衡区的比色分布符合局部水收集系数相对驻点处β/βm分布;不同位置c值增长曲线具有相似性,缩比时间尺度1/tb分布符合数值仿真欧拉法β/βm分布的定义;实验结果与数值仿真结果对比误差率小于10%.

References

[1]  张强,胡利,曹义华.过冷水滴撞击三维机翼的数值模拟[J].航空动力学报,2009,24(6):1345-1350 Zhang Qiang,Hu Li,Cao Yihua.Three-dimensional numerical simulation of supercooled droplets impinging on a wing[J].Journal of Aerospace Power,2009,24(6):1345-1350(in Chinese)
[2]  Rachman A,Bidwell C S,Vu G T.Experimental study of supercooled large drop impingement on ice shapes [R].DOT/FAA/AR-08/13,2008
[3]  杨胜华,林贵平,申晓斌.三维复杂表面水滴撞击特性计算[J].航空动力学报,2010,25(2):284-290 Yang Shenghua,Lin Guiping,Shen Xiaobin.Water droplet impingement prediction for three-dimensional complex surface[J].Journal of Aerospace Power,2010,25(2):284-290 (in Chinese)
[4]  Bourgault Y,Boutanios Z,Habashi W G.Three-dimensional eulerian approach to droplet impingement simulation using FENSAP-ICE,part 1:model,algorithm,and validation[J].Journal of Aircraft,2000,37(1):95-103
[5]  Papadakis M,Elangonan R,Freund G A,et al.An experimental method for measuring water droplet impingement efficiency on twoand three-dimensional bodies [R].NASA CR 4257,1989
[6]  Thomas F,Gelde T F,Smyers W H,et al.Experimental droplet impingement on several two-dimensional airfoils with thickness ratios of 6 to 16 percent [R].NACA TN 3839,1956
[7]  von Glahn U H,Gelder T F,Smyers W H.A dye-tracer technique for experimentally obtaining impingement characteristics of arbitrary bodies and a method for determining droplet size distribution [R].NACA TN 3338,1955
[8]  Bidwell C S,Mohler S R.Collection efficiency and ice accretion calculations for a sphere,a swept MS(1)-317 wing,a swept NACA-0012 wing tip,an axisymmetric inlet,and a Boeing 737-300 [R].NASA TM 106831,1995
[9]  Papadakis M,Elangonan R,Freund G A,et al.An experimental method for measuring water droplet impingement efficiency on twoand three-dimensional bodies [R].NASA CR 4257,1989
[10]  Papadakis M,Rachman A,Wong S C.Water impingement experiments on a NACA 23012 airfoil with simulated glaze ice shapes [R].AIAA 2004-0565,2004
[11]  Bidwell C S,Mohler S R.Collection efficiency and ice accretion calculations for a sphere,a swept MS(1)-317 wing,a swept NACA-0012 wing tip,an axisymmetric inlet,and a Boeing 737-300 [R].NASA TM 106831,1995
[12]  Papadakis M,Hung K E,Vu G T,et al; Experimental investigation of water droplet impingement on airfoils,finite wings,and an S-duct engine inlet [R].NASA/TM-2002-211700,2002
[13]  Papadakis M,Rachman A,Wong S C.Water impingement experiments on a NACA 23012 airfoil with simulated glaze ice shapes [R].AIAA 2004-0565,2004
[14]  Rachman A,Bidwell C S,Vu G T.Experimental study of supercooled large drop impingement on ice shapes [R].DOT/FAA/AR-08/13,2008
[15]  Papadakis M,Hung K E,Vu G T,et al; Experimental investigation of water droplet impingement on airfoils,finite wings,and an S-duct engine inlet [R].NASA/TM-2002-211700,2002
[16]  张强,胡利,曹义华.过冷水滴撞击三维机翼的数值模拟[J].航空动力学报,2009,24(6):1345-1350 Zhang Qiang,Hu Li,Cao Yihua.Three-dimensional numerical simulation of supercooled droplets impinging on a wing[J].Journal of Aerospace Power,2009,24(6):1345-1350(in Chinese)
[17]  于润伟.MATLAB基础及应用[M].北京:机械工业出版社,2005:148-150 Yu Runwei,MATLAB foundation and application[M].Beijing:China Machine Press,2005:148-150 (in Chinese)
[18]  杨胜华,林贵平,申晓斌.三维复杂表面水滴撞击特性计算[J].航空动力学报,2010,25(2):284-290 Yang Shenghua,Lin Guiping,Shen Xiaobin.Water droplet impingement prediction for three-dimensional complex surface[J].Journal of Aerospace Power,2010,25(2):284-290 (in Chinese)
[19]  于润伟.MATLAB基础及应用[M].北京:机械工业出版社,2005:148-150 Yu Runwei,MATLAB foundation and application[M].Beijing:China Machine Press,2005:148-150 (in Chinese)
[20]  刘丹阳,韩雅慧,丁立,等.水滴撞击特性参数的动态图像处理测量方法[J].航空动力学报,2012,27(5):986-992 Liu Danyang,Han Yahui,Ding Li,et al.Dynamic image processing measurement method of droplets impingement characteristics[J].Journal of Aerospace Power,2012,27(5):986-992(in Chinese)
[21]  Bourgault Y,Boutanios Z,Habashi W G.Three-dimensional eulerian approach to droplet impingement simulation using FENSAP-ICE,part 1:model,algorithm,and validation[J].Journal of Aircraft,2000,37(1):95-103
[22]  刘丹阳,韩雅慧,丁立,等.水滴撞击特性参数的动态图像处理测量方法[J].航空动力学报,2012,27(5):986-992 Liu Danyang,Han Yahui,Ding Li,et al.Dynamic image processing measurement method of droplets impingement characteristics[J].Journal of Aerospace Power,2012,27(5):986-992(in Chinese)

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133