Obtained are the locations of two peaks in the radial direction and the local Nusselt number.
就引射、局部换热系数径向分布峰值出现的位置及机理进行了分析、讨论。
The averaged Nusselt number is dramatically increased with the increase of inlet mass flow coefficient.
其它条件不变时,随流量系数的提高,平均努赛尔特数大幅度上升。
A correlation formula of relative difference of local Nusselt number and dimensionless local temperature difference was presented by fitting numerical data.
通过对计算数据进行拟合之后,得到了层流时自由盘盘面局部努塞尔数的相对偏差与盘面无量纲局部温差的计算关联式。
When the cross-flow to jet Reyuolds number ratios are greater than 0. 5, the jet impingement Nusselt numbers arc obviously lower than that without cross-flow.
当横流雷诺数与射流雷诺数之比大于0.5之后,有横流时的冲击射流冷却局部努赛尔数比无横流时有较为显著下降。
The order of slip boundary condition shows an apparent influence on the friction coefficient but only a slight influence on the Nusselt number if compressibility is ignored.
在不考虑可压缩性因素时,滑移边界条件的阶数对阻力系数的影响较大,对换热系数的影响不是十分明显。
It is generally obtained by the experimental method, namely using Newton cooling formula to get tube outside heat transfer coefficient, then get the tube outside Nusselt number.
一般通过实验的方法求得,即运用牛顿冷却公式求出管外对流换热系数,进而求得管外努谢尔数。
As the channel rotated, the Nusselt number of the first pass was found to increase on the trailing wall and to decrease on the leading wall, the reverse was true in the second pass.
旋转状态下,第一通道前后缘换热差异随旋转数的增加而增加,在第二通道中正好相反。
As the channel rotated, the Nusselt number of the first pass was found to increase on the trailing wall and to decrease on the leading wall, the reverse was true in the second pass.
旋转状态下,第一通道前后缘换热差异随旋转数的增加而增加,在第二通道中正好相反。
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