本文采用改进的流线曲率法对跨声速多级轴流压气机非设计点进行了性能模拟。
An improved streamline curvature numerical method is modified and applied to better approximate the flow fields of multi-stage transonic axial compressors.
本文采用改进的流线曲率法+对跨声速多级轴流压气机非设计点进行了性能模拟。
An improved streamline curvature numerical method is modified and applied to better approximate the flow fields of multi-stage transonic axial compressors.
对所设计的三种外形方案，计算了设计点和非设计点的气动性能，并对影响性能的因素进行了讨论。
The aerodynamic performances of on-design and off-design for the three conceptual configurations designed were computed, and the factors affected the performance were also discussed.
全局布线器不会把非格点引脚看成是阻挡层，这样导致你有一个过度乐观的设计结果。
The global router might not recognize off-grid pins as blocking the routing track and, as a result gives you optimistic results.
针对复杂型面刀具的设计要求和结构特点，研究开发了一种基于点采集的高精度非接触式激光扫描测量系统。
Aiming at the design demand and structure character of complex surface tools, a high precision non-touching laser scanning system based on point sampling was studied and developed.
由于这种类型的微带滤波器实现传输零点不需要通过滤波器非相邻谐振器间的交叉耦合来获得，因此，设计过程非常简单。
As this kind of microstrip hairpin filter does not require cross coupling between the non-adjacent resonators of the filter to obtain transmission zero, the design procedure of the filter is simple.
基于上述原理，提出了一种非中心波长下变周期光栅“象点”位置的优化设计方法。
Finally, an optimization method for reaching at an image point at an arbitrary wavelength is given.
混流式水轮机在非设计工况点下运行时，尾水管内部的非定常流动是由死水域和螺旋涡带的动态行为引起的，尾水管上部的螺旋涡带旋转引起流动的基频脉动。
The unsteady flow in a draft tube of Francis turbine under the off-design operation is produced by the dynamic behavior of a helical vortex rope with the dead core.
混流式水轮机在非设计工况点下运行时，尾水管内部的非定常流动是由死水域和螺旋涡带的动态行为引起的，尾水管上部的螺旋涡带旋转引起流动的基频脉动。
The unsteady flow in a draft tube of Francis turbine under the off-design operation is produced by the dynamic behavior of a helical vortex rope with the dead core.
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