• Obtained are the locations of two peaks in the radial direction and the local Nusselt number.

    引射、局部换热系数径向分布峰值出现位置机理进行分析、讨论。

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  • The averaged Nusselt number is dramatically increased with the increase of inlet mass flow coefficient.

    其它条件不变时,随流量系数提高平均赛尔特大幅度上升

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  • A correlation formula of relative difference of local Nusselt number and dimensionless local temperature difference was presented by fitting numerical data.

    通过计算数据进行合之后,得到层流时自由盘盘面局部塞尔相对偏差盘面无量纲局部温差计算关联式。

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  • 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.

    横流雷诺数射流雷诺数之比大于0.5之后,有横流时冲击射流冷却局部赛尔横流时有较为显著下降

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  • 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.

    不考虑可压缩性因素时,滑移边界条件阻力系数影响较大,对换热系数影响不是十分明显。

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  • 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.

    一般通过实验方法求得运用牛顿冷却公式求出对流系数进而求得管外谢尔

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  • 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,第一通道前后换热差异随旋转增加增加第二通道正好相反。

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  • 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,第一通道前后换热差异随旋转增加增加第二通道正好相反。

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