利用螺旋的升力线模型和变分法原理对螺旋桨叶片环量分布进行了数值优化。
The optimum distribution of circulation on a marine propeller blade is numerically determined by using the lift_line vortex model and variational calculus.
纽约洛克·菲勒大学的弗朗西斯·科森利用电脑模型来调查叶片上的环存在的原因。
Francis Corson of Rockefeller University in New York used computer models to examine why these loops exist.
分段连续环叶片是专为相同的任务,但在速度,性能和使用寿命提供了分歧。
Segmented and continuous rim blades are designed for the same task, but offer differences in speed, performance and longevity.
分段刀片一样,连续环叶片也有缺点。
Like segmented blades, continuous-rim blades also have downsides.
结果表明:增压器喷嘴环和涡轮叶片流通面积减少是涡轮增压器喘振的主要原因。
The results show that the reason why surge happened is that flow area of nozzle ring and blade was decreased.
前盖板上的副叶片可以减少叶轮进口的旋涡损失和颗粒对密封环的磨损。
Former deputy leaves on the cover can reduce the imports of the vortex impeller and particle loss of the wear and tear on the seal ring.
干瓦刀片连续环叶片芯片采用无削减瓷砖锯,直角研磨机和圆锯。
Dry tile blades are continuous-rim blades used for chip-free cutting on tile saws, right-angle grinders and circular saws.
调整了筒体倒锥体的角度及环缝隙的距离,并改进了搅拌器的分散叶片的结构和制作。
The Angle of conical structure and the distance of round aperture were adjusted, the structure and production of distribution blade of blender were improved.
对应用气动型与对称型喷嘴环叶片的车用可变几何涡轮增压器进行了研究。
The vehicle variable geometry turbocharger (VGT) with pneumatic and symmetric nozzle ring vane was researched.
经放线菌素D和环己亚胺分别与PEG一起处理,根及叶片ABA增加均明显受抑制,说明此ABA增加可能来源于组织的从头生物合。
Having treated roots with PEG and Actinomycin D or Cycloheximide, the accumulation of ABA in roots and leaves were inhibited clearly.
根据非回转体环向缠绕理论及叶片产品的具体要求,分析缠绕工艺,建立了张力控制系统的数学模型。
Next, according as no - gyrating round fiber winding theory and concrete request of vane, analyzing the winding technics, found the mathematics model of tension control system.
分析了叶片数、叶片局部加厚、上冠下环厚度等因素对转轮强度性能的影响。
The factors of effecting runner intensity performance such as the blades number, local thickness of crown and band are analyzed.
一叶轮,具有一轮毂及多个环设于该轮毂周围的动叶片;
The fan comprises a frame, an impeller formed by a wheel hub and motive blades around the hub.
在考虑了喷嘴环气动转矩的传递过程后,通过换算,求出了气动力作用在喷嘴导流叶片转轴上的转矩。
Based on the consideration of nozzle ring pneumatic torque transmission, the torque of pneumatic force acting upon nozzle guide vane was acquired by calculation.
通过改变叶轮口环间隙的大小对不同叶片型式的低比转速离心泵进行试验,证明口环间隙对低比转速离心泵效率的影响与泵叶轮的叶片的型式无关。
The experiments on different types of impeller are done by changing the clearance of wear-ring to prove that the clearance has no influence on the pump efficiency under various types of impeller.
其特征在于,所述内风扇叶片的轴向外端连接于一环绕所述转轴的回转面。
The motor is characterized in that a revolution surface circling around the rotating shaft is connected with an axial outer end of the inner fan blade.
提出采用壳单元与环单元耦合的方法对带分流叶片整体离心叶轮进行弹塑性分析。
An approach for elastoplastic stress analysis of integrated impeller with splitter is presented in this paper.
复合热障涂层是有用的燃气轮机部件,如密封环段,叶片部分罩,转换和燃烧室。
The composite thermal barrier coating is useful on combustion turbine components such as ring seal segments, vane segment shrouds, transitions and combustors.
在逐点积分法一元理论叶片绘形的基础上,利用导叶水力设计程序设计了等环量叶片。
Based on point-by-point integration method and one dimension theory, designed the guide vane which has uniform velocity moment distribution with a hydraulic design computer code of the guide vane.
结果表明,焊后应力的峰值出现在叶片与上冠或叶片与下环接触面的附近的叶片上。
The simulation result shows that maximal welding stress appears along the adjacent area between blades and bands or blades and crown. The result can explain why fatigue crack on...
结果表明,焊后应力的峰值出现在叶片与上冠或叶片与下环接触面的附近的叶片上。
The simulation result shows that maximal welding stress appears along the adjacent area between blades and bands or blades and crown. The result can explain why fatigue crack on...
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