实验证明通过改变叶片型线参数方程中的速度系数的取值,可以控制边界层的分离,进而改善泵的性能,提高其水力效率。
The experiment shows that by changing the velocity coefficient , the separation of boundary layer on pump vane can be controlled, and the performance of pump is improved and its hydraulic efficiency.
本文概述了边界层转捩对空天飞机性能的影响。
The leverage on the performance of aerospace plane from boundary layer transition is presented in outline.
本文阐述了水下流噪声产生的机理以及物体表面状态性能对湍流边界层的影响。
In this paper, the mechanism of flow noise production and the methods of flow noise reduction are presented.
时序效应对涡轮性能的影响主要体现在尾迹与主流之间的掺混损失和尾迹诱导的边界层转涙损失两方面。
The influence of clocking effect on turbine performance is mainly embodied in the mixing loss between wake and mainstream and the wake-induced transitional loss.
本发明加强了烟气旋流边界层的扰动和混合,使烟气的传热性能增强;
It speeds up the stirring and mixing of the swirling boundary layer of the smokes to improve the heat conductivity of smokes.
本发明加强了烟气旋流边界层的扰动和混合,使烟气的传热性能增强;
It speeds up the stirring and mixing of the swirling boundary layer of the smokes to improve the heat conductivity of smokes.
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