If the reference separation point approaches the outlet, the test results are satisfactory, which state that the practical position of boundary layer separation point will be close to the outlet.
若分离参考点接近于出口端,则可获得满意的测试结果,这说明边界层实际分离点的位置已经很接近于叶片的出口端。
The basic equations of the boundary layer for blade surface flow of arbitrary cyclical surface are established, and the rotating effect for boundary layer separation is analyzed.
建立任意廻转面叶片表面边界层基本方程组,分析边界层分离的旋转效应。
When boundary conditions exists jump discontinuity, how to treat by an appropriate way is important in process to make use of the separation of variable.
当边界条件有间断时,在应用分离变量法过程中如何适当处理问题是值得注意的。
We derive the analytic solution of the non-homogeneous fractional diffusion-wave equation under the mixed boundary conditions using the method of separation of variables.
利用分离变量方法导出了在混合边界条件下的非齐次分数阶扩散-波动方程的解析解。
Pay attention to the material model, meshing, boundary condition, and chip separation criterion of the model, which can affect calculation precision directly.
在建立有限元模型时要注意材料模型、网格划分、边界条件、切屑分离准则等方面,因为这些直接将影响模拟计算的精度。
Micro-shear stress sensor plays an important role in detecting separation point of the boundary layer due to small-scale structures and the desired spatial and temporal resolution.
微型剪应力传感器以尺寸小、时空分辨率高的特点在边界层分离点测量中表现出了突出的优势。
Secondly, the method of separation of variables and the eigensolution expansion method are used to obtain the analytical solutions of thick plates under corresponding boundary conditions.
然后,采用分离变量法和特征函数展开法在相应的边界条件下求出级数解。
The temperature field around a straight buried pipe was analyzed using conformal mapping, separation of variables and boundary discretization. A series solution was obtained for the temperature field.
为了对直埋管道保温层及其土壤邻域的温度场进行较精确的分析,采用保形映射、分离变量和边界离散法对地下直埋管道的温度场进行分析,得到了级数形式的解。
The paper investigates the problem on vortex generator control boundary layer's separation of supercritical airfoil and wing for body configuration wing.
本文研究涡流发生器控制超临界翼型和翼身组合体机翼的附面层分离问题。
It has been confirmed by experiments that the boundary layer suction can efficiently eliminate the separation due to interaction of a reflected shock wave with the wall boundary layer.
实验证实了边界层抽吸可以有效地减小激波与壁面边界层相互作用所产生的分离现象。
Based on linear wave making resistance theory and on & technique of boundary layer separation control, the present paper gives an optimized study of hull form below the design water line.
本文基于线性兴波阻力理论,把控制尾流分离作为约束条件,利用优化计算方法对设计水线下船体外形进行优化研究。
Separation of variables is employed to solve the differential equation under the boundary condition of two ends of the girder being simply supported, and the solution of stress is…
在两端简支的边界条件下采用分离变量法求解偏微分方程,得到用级数表示的应力解,然后根据剪力滞系数的定义即可得到组合箱梁翼板的剪力滞系数。
The technology of oil flow and silk thread can reflect effect of the vertex generators controlling the boundary layer separation of the wing truly.
油流和丝线流动显示技术可真实反映涡流发生器对机翼附面层分离的控制效果。
The theoretical analysis and experimental results show that boundary layer separation will produce pressure drag.
理论分析和实验的结果说明:边界层分离将引起压差阻力。
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.
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。
This design proposal of micro pressure sensor array can effectively meeting the measuring requirement of boundary - layer separation point, and expand engineering applied scope of MEMS devices.
设计的微型压力传感器阵列可有效满足边界层分离点的检测要求,进一步拓展了MEMS器件的工程应用范围。
The boundary layer separation points, minimum pressure positions on the surface and the drag coefficients are in agreement with numerical solutions and experimental results.
边界层分离点、物面最小压力点及阻力系数的计算结果与一些数值解及实验结果是符合的。
The introduction of micro pressure sensor array expands ways detecting boundary layer separation point.
微型压力传感器阵列的引入,拓宽了边界层分离点检测的解决途径。
The separation flow is three dimensional in hydraulic machine. The pressure gradient in cross direction produces secondary flow in boundary layer.
水力机械的分离为三维流动,三维流动的侧向压力梯度产生边界层的二次流动。
In this paper, the optimal penalty factor for the boundary element separation solution to the contact problems is given and the accuracy of the results is proved through practical example.
对接触问题中的分离解法给出了最优罚因子,并通过实例验证了方法的正确性。
According to the analysis on the boundary layer separation condition, parameter equation of vane curve for centrifugal pump is established.
通过对压力面边界层分离条件的分析得出叶片型线方程并给出计算实例。
Finally recent studies of turbulent boundary layer separation are also briefly reviewed.
最后简单介绍了目前在研究湍流边界层分离方面的进展。
The choice of vane curve should satisfy the conditions of boundary layer non-separation and theoretical distance head by Eular equation-the basic equation of pumps.
叶片型线的选择应满足边界层不分离条件及由欧拉方程——泵的基本方程所确定的理论扬程条件。
The jet penetration height, the separation distance, the separation boundary and the pressure coefficient within the separation region are estimated, and the 3-D correction is also adopted.
该模型可计算喷流穿透高度、分离区长度、二维分离区边界、分离区平台压力系数,并可对分离特性进行三维修正。
By using separation of variables and double Fourier series, we obtain a solution to the initial-boundary value problem of the forced vibration of this rectangular membrane.
利用分离变量法和二重傅里叶级数的方法,得到了矩形膜的受迫振动初边值问题的解。
The control of supercritical airfoil boundary layer separation is adapted using micro-vortex generators.
超临界翼型附面层分离控制适合采用微型涡流发生器。
As the boundary between crust and upper mantle, it is closely related with the separation and regulation of deep matter and the movement and coupling of shallow and deep substance.
这不仅由于它是地壳与上地幔的分界,而且它与深部物质的分异、调整及其深、浅物质的运移和耦合密切相关。
Therefore, the present problem is indeed a problem of nonlinear boundary value. The mixed boundary conditions involve unknown intervals (the slip, separation and stick zones). It …
由于边界上的区域(滑移、分离和粘着)是未知的,所以,笔者研究的实际上是个复杂的边界非线性问题。
This paper introduces the method suited to the separation of land parcel by means of analytic coordinate definition boundary point in the routine cadastral surveying and mapping.
本文介绍了地籍测绘日常工作中宗地分割的方法。该法适合于用解析坐标定义界址点的宗地分割;
Art gallery advocates the "diffuse boundary" in order to break the usual separation in exhibition by a dispersed display mode. This helps build a miraculous space with widespread possible path.
艺术馆的“边界扩散”的主张以分散展陈的方式打开了以往封闭展陈的壁垒,开拓出弥漫性的探索氛围。
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