tip of blade

In comparison with these of the straight cascade the blade positively curving reduces the quantity of the critical points, eliminates the upper passage vortex, and transform the closed separated flow of the secondary vortex along the blade tip suction side into the open separated flow.

与直叶栅比较，叶片正弯明显减少了壁面与横截面流场中奇点的数量，消除了上通道涡，并使叶顶吸力边的二次涡分离流动由闭式分离转变为开式分离。

The prediction capabilities of computational fluid dynamics ( CFD) used for simulation of flow fields in stirred vessels were assessed, and flow behavior at blade tip and the vicinity of blade was analyzed.

考察了计算流体力学（CFD）模拟搅拌设备流场的预测能力，分析了搅拌桨叶端及附近区域的流动行为。

Study on Tip Clearance Flow of Turbine Blade-Endwall Secondary Flow Structure

透平动叶顶部间隙流的端壁二次流结构研究

Elbows parallel to the body, not prominent, and well set back to allow a line perpendicular to the ground to be drawn from tip of the shoulder blade through to elbow.

肘部与身躯平行，不突出，位置恰当，从肩胛顶端到地面的垂直线正好经过肘部。

ⅲ region is tip leakage flow that direction of blade flange clearance turn to suction side;

Ⅲ区为叶片轮缘部中间隙泄漏流动的流动方向转向背面；

In IMP thrusters, the motor stator ( core and winding) installed in the duct, the rotor ( permanent magnet pole) installed at the tip of with rings propeller blade leaves and appeared in the form of rings.

IMP推进方式中，电机的定子（铁心及绕组）安装在导管中，转子（永磁磁极）安装在带环螺旋桨桨叶的叶梢以环的形式出现。

Secondly, the stress intensity factor at the tip of crack of rotating blade was calculated using weight function method.

然后根据权函数思想，推导出了高速旋转叶片裂纹尖端处的应力强度因子公式；

He put the tip of the blade into Gus's shirt and then made an arc with his arm, as though cutting a circle.

他把尖刀伸进格斯的衬衫，随手用胳膊划了个弧圈，仿佛要圆圆地剐下一块肉来。

The Euler/ Kirchhoff method is adopted to calculate the far field noise of UH-1H rotor, and the calculated results are compared with the measured data. The effect of rotor blade tip shape on high speed rotor noise is investigated.

采用CFD与计算声学相结合的Euler Kirchhoff方法对UH-1H直升机旋翼跨声速悬停流动的远场噪声进行定量计算，并将计算结果与实验值进行比较，验证了Euler Kirchhoff方法的正确性。

Welding of Rivets on the Tip of Blade for Turbine

汽轮机叶片端部铆钉的焊接修复

Test performance comparison of rotor model with two kinds of tip shape of blade

两种桨尖形状旋翼模型试验特性对比

Application of superheterodyne FM reception in measurement of blade tip clearance

超外差调频接收技术在叶尖间隙测量中的应用

The result shows: short splitter has weak influence on the suction pressure distribution, leakage flux and the position leakage vortex rotated on the tip of principle blade.

结果表明：短弦长小叶片对大叶片吸力面负荷分布、泄漏量以及泄漏涡的产生位置的控制作用较弱；

To slice, tip the cutting knife up on an angle, to use the far end ( away from you) of the blade.

对于切片而言，先把刀的一端抬起，成三角形，然后用离你较远的那一段的刀刃来切菜。

The efficiency of pump will be reduce with the increase of tip clearance of blade.

泵的效率随轮缘处间隙变大会有明显减小。

ⅳ region is trailing edge vortex region of tip near the flange of blade.

Ⅳ区为叶片出水边靠尾部的轮缘出口尾涡区。

In addition, the tip of the blade is always thinner, which lead to deformation easily, so there is a higher demand for the stability of the machining system.

此外，桨叶叶梢部分较薄，加工中易引起变形，这给加工系统的稳定性提出了更高的要求。

NUMERICAL STUDY OF UNSTEADY TIP LEAKAGE FLOW AND HEAT TRANSFER IN A SQUEALER TIP BLADE Each of them had plastered a large lotus leaf on his head to keep off the midday sun.

凹槽叶顶非定常间隙泄漏流动和传热的数值研究一人摘了一片大荷叶顶在头上，抵挡正午的太阳。

Thus, 30% from the tip of leaf blade was the best measuring position.

因此，距叶尖30%处是最合适的测定位置。