图共 11个 表共 1
    • 图  1  刀片式圆孔射流装置

      Figure 1.  Blade-type impingement device with holes

    • 图  2  刀片式圆孔射流实验测量原理示意图

      Figure 2.  Schematic diagram of measurement for blade-type multiplycircular gas jets

    • 图  3  圆孔气体射流实验原理

      Figure 3.  Schematic diagram of experimental apparatus for circular gas jets

    • 图  4  刀片式圆孔喷嘴结构图

      Figure 4.  Geometric drawing of blade-type circular nozzle

    • 图  5  不同喷嘴布置方式下的开孔率

      Figure 5.  Effective openness Af for different nozzle configuration

    • 图  6  努谢尔数NuDav的测量偏差

      Figure 6.  Derivation of measured values of Nusselt number

    • 图  7  不同喷射高度条件下,冲击雷诺数对努谢尔数的影响

      Figure 7.  Effects of Reynolds number on Nusslet number for all normalized standoff distance H/D

    • 图  8  量纲为一喷射高度对量纲为一数NuDav/ReDm的影响

      Figure 8.  Effects of normalized impingement height H/D on dimensionless number NuDav/ReDm

    • 图  9  H/D=7.5实验数据与Gardon公式比较

      Figure 9.  Experimental data for H/D =7.5 reduced according to Gardon’s equation

    • 图  10  H/D =7.5的实验数据与Martin公式和修正Martin公式比较

      Figure 10.  Experimental data for H/D=7.5 reduced according to (a) Martin’s equation and (b) corrected Martin’s equation

    • 图  11  H/D=7.5时函数KG(a)和修正函数KAAf的关系(b)

      Figure 11.  Distribution of the function of K,G (a) and modified K with Af (b) for H/D=7.5

    • D/mmXn/DYn/DH/DE/mmnAf
      86.253.1256.25, 7.5, 12.51501820.0366

      表 1  试验喷嘴的几何尺寸表

      Table 1.  Table of geometric data for blade-type nozzles