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纵列式双扇翼气动特性数值模拟与试验

杜思亮 唐正飞 赵文静 陈荟 王英宇

杜思亮, 唐正飞, 赵文静, 等 . 纵列式双扇翼气动特性数值模拟与试验[J]. 北京航空航天大学学报, 2018, 44(6): 1164-1175. doi: 10.13700/j.bh.1001-5965.2017.0393
引用本文: 杜思亮, 唐正飞, 赵文静, 等 . 纵列式双扇翼气动特性数值模拟与试验[J]. 北京航空航天大学学报, 2018, 44(6): 1164-1175. doi: 10.13700/j.bh.1001-5965.2017.0393
DU Siliang, TANG Zhengfei, ZHAO Wenjin, et al. Numerical simulation and test on aerodynamic characteristics of tandem fan wing[J]. Journal of Beijing University of Aeronautics and Astronautics, 2018, 44(6): 1164-1175. doi: 10.13700/j.bh.1001-5965.2017.0393(in Chinese)
Citation: DU Siliang, TANG Zhengfei, ZHAO Wenjin, et al. Numerical simulation and test on aerodynamic characteristics of tandem fan wing[J]. Journal of Beijing University of Aeronautics and Astronautics, 2018, 44(6): 1164-1175. doi: 10.13700/j.bh.1001-5965.2017.0393(in Chinese)

纵列式双扇翼气动特性数值模拟与试验

doi: 10.13700/j.bh.1001-5965.2017.0393
基金项目: 

大学生创新训练计划项目 201811049075X

大学生创新训练计划项目 201811049006XJ

江苏省高校优势学科建设工程 

详细信息
    作者简介:

    杜思亮  男, 博士, 讲师。主要研究方向:空气动力学、飞行力学与控制、流体力学

    唐正飞  男, 博士, 副教授, 硕士生导师。主要研究方向:空气动力学、新概念无人飞行器

    通讯作者:

    杜思亮, E-mail:kjofchina@qq.com

  • 中图分类号: V211.52

Numerical simulation and test on aerodynamic characteristics of tandem fan wing

Funds: 

Student's Platform for Innovation and Entrepreneurship Training Program 201811049075X

Student's Platform for Innovation and Entrepreneurship Training Program 201811049006XJ

the Priority Academic Program Development of Jiangsu Higher Education Institutions 

More Information
  • 摘要:

    扇翼飞行器是一种新概念新原理飞行器, 尤其是其具有独特空气动力学原理。扇翼能够同时产生升力和推力, 为了进一步改善扇翼的气动特性, 在不改变扇翼基本几何参数的前提下, 沿机身纵向布置前后2个扇翼, 组成了纵列式双扇翼飞行器。通过数值模拟的方法, 计算了前后扇翼间距、高度和安装角变化时的扇翼升力和推力值, 分析了前后扇翼气动特性相互影响的规律。此外还设计了纵列式双扇翼的风洞试验模型, 将获得的风洞试验结果与数值计算结果进行了初步的对比验证。结果表明, 在一定前后扇翼间距、高度和安装角下, 纵列式双扇翼的气动力相比单个扇翼更具优势。因此, 纵列式双扇翼布局的飞行器具有很好的发展前景和应用优势。

     

  • 图 1  纵列式双扇翼布局

    Figure 1.  Tandem fan wing layout

    图 2  扇翼截面几何尺寸定义

    Figure 2.  Geometry definition of fan wing section

    图 3  横流风扇叶片几何尺寸定义

    Figure 3.  Geometry definition of cross flow fan blade

    图 4  升力系数与推力系数随横流风扇转速变化

    Figure 4.  Change of lift coefficient and thrust coefficient with cross flow fan speed

    图 5  纵列式双扇翼前后扇翼间距定义示意图

    Figure 5.  Schematic of definition of distance between front and rear fan wings of tandem fan wing

    图 6  纵列式双扇翼气动力随前后扇翼间距变化

    Figure 6.  Change of aerodynamic force of tandem fan wing with distance between front and rear fan wings

    图 7  纵列式双扇翼前后扇翼间距变化时的速度云图和流线图

    Figure 7.  Velocity contours and streamlines when distance between front and rear fan wings of tandem fan wing changes

    图 8  纵列式双扇翼前后扇翼高度差定义示意图

    Figure 8.  Schematic of definition of height difference between front and rear fan wings of tandem fan wing

    图 9  纵列式双扇翼气动力随前后扇翼高度变化

    Figure 9.  Change of aerodynamic force of tandem fan wing with height of front and rear fan wings

    图 10  纵列式双扇翼前后扇翼高度变化时的速度云图和流线图

    Figure 10.  Velocity contours and streamlines when height of front and rear fan wings of tandem fan wing changes

    图 11  纵列式双扇翼前后扇翼安装角定义示意图

    Figure 11.  Schematic of definition of installation angle between front and rear wings of tandem fan wing

    图 12  前扇翼安装角固定时前后扇翼的升力和推力曲线(αf=0)

    Figure 12.  Curves of lift and thrust of front and rear fan wings when installation angle of front fan wing is fixed (αf=0)

    图 13  前扇翼安装角固定时前后扇翼的速度云图和流线图

    Figure 13.  Velocity contours and streamlines of front and rear fan wings when installation angle of front fan wing is fixed

    图 14  后扇翼安装角固定时前后扇翼的升力和推力曲线(αb=0)

    Figure 14.  Curves of lift and thrust of front and rear fan wings when installation angle of rear fan wing is fixed (αb=0)

    图 15  后扇翼安装角固定时前后扇翼的速度云图和流线图

    Figure 15.  Velocity contours and streamlines of front and rear fan wings when installation angle of rear fan wing is fixed

    图 16  前后扇翼安装角随动时前后扇翼的升力和推力曲线

    Figure 16.  Curves of lift and thrust of front and rear fan wings when front and rear fan wings have the same installation angle

    图 17  前后扇翼安装角随动时前后扇翼的速度云图和流线图

    Figure 17.  Velocity contours and streamlines of front and rear fan wings when front and rear fan wings have the same installation angle

    图 18  前后扇翼安装角差动时前后扇翼的升力和推力曲线

    Figure 18.  Curves of lift and thrust of front and rear fan wings when front and rear fan wings have opposite installation angle

    图 19  前后扇翼安装角差动时前后扇翼的速度云图和流线图

    Figure 19.  Velocity contours and streamlines of front and rear fan wings when front and rear fan wings have opposite installation angle

    图 20  低速开口回流式风洞

    Figure 20.  Low-speed open reverse-flow wind tunnel

    图 21  单个扇翼试验模型

    Figure 21.  Test model of single fan wing

    图 22  纵列式双扇翼试验模型在风洞位置

    Figure 22.  Location map of tandem wing fan test model in wind tunnel

    图 23  前扇翼安装角不变时数值计算结果与试验结果对比(αf=0)

    Figure 23.  Comparison between numerical calculation results and test results when installation angle of front fan wing is fixed (αf=0)

    图 24  后扇翼安装角不变时数值计算结果与试验结果对比(αb=0)

    Figure 24.  Comparison between numerical calculation results and test results when installation angle of rear fan wing is fixed (αb=0)

    图 25  前后扇翼安装角随动时数值计算结果与试验结果对比

    Figure 25.  Comparison between numerical calculation results and test results when front and rear fan wings have the same installation angle

    表  1  扇翼几何尺寸参数

    Table  1.   Geometric parameters of fan wing

    参数 数值
    扇翼展长l/mm 500
    横流风扇半径R/mm 150
    弧形槽内径Rarcin/mm 155
    弧形槽外径Rarcout/mm 160
    扇翼弦长c/mm 561
    后缘夹角θ/(°) 18
    前缘开口角ψ/(°) 24
    下载: 导出CSV

    表  2  横流风扇叶片参数

    Table  2.   Cross flow fan blade parameters

    参数 数值
    叶片宽度b/mm 36
    横流风扇内径Rin/mm 98
    叶片外弧半径rout/mm 96
    叶片内弧半径rin/mm 68
    叶片根部圆弧半径rroot/mm 3
    叶片安装角Φ/(°) 36.5
    叶片间距σ/(°) 22.5
    下载: 导出CSV

    表  3  试验风洞参数

    Table  3.   Parameters of test wind tunnel

    参数 数值
    试验区尺寸/(m×m) 3.4×2.4
    最大风速/(m·s-1) 40
    最小稳定风速/(m·s-1) 5
    收缩比 4
    下载: 导出CSV
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出版历程
  • 收稿日期:  2017-06-12
  • 录用日期:  2017-09-11
  • 刊出日期:  2018-06-20

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