查询词典 vaned

The vaned rear portion of a bomb or missile.

尾部：一枚炸弹或导弹舵的末尾部分

In the present study, the experimental and numerical investigation is carried out at an outward volute of circular cross section cooperating with a centrifugal impeller and a vaned diffuser.

本文对一个包含叶轮、有叶扩压器和蜗壳的单级离心压缩机进行了实验和数值研究。

To study on the turbulent flow in a centrifugal pump with vaned diffusers, based on CFD method, three-dimensional turbulent flow field in suction chamber, impeller and diversion shell was calculated at three different operating conditions, and the velocity and pressure distribution in diversion shell were obtained.

以带有空间导叶的离心泵为研究对象，通过CFD方法，在三种工况下，对包括吸入室、叶轮和导流壳在内的全三维湍流场进行数值计算，获得了导流壳内的速度分布和压力分布。

PIV technique, a non-touch measurement method, was used as the experiment means. The unsteady flow within the vanelesss and vaned diffuser were measured and analyzed first time in our country.

实验中采用非接触式的PIV光学测量技术，在国内首次使用PIV技术对无叶扩压器、有叶扩压器两种结构形式扩压器内部的非定常流动进行了测量，分析了其中的流动特性。

It is shown that the ADFVLN, which has lower losses, high off-design performance and reliability, is superior to the vaned nozzle as the first stage and it also has more advantages than the early AFVLN, such as lower losses and less skewed boundary layer near the inner ring ect..

研究表明，这一新型轴流无叶喷嘴不仅具有原来同类喷嘴的优良性能，而且双出口结构和内环旋转的特点，使其流动效率明显提高，并省去两块隔板，缩短了机组的轴向尺寸，具有较高的工业应用价值。

The reasonable radial gap is discussed to optimum the performance of the compressor. For the analysis of the different vane incline angle, the focus is the investigation on the flow field of the pressure side in the vaned diffuser.

分析了无叶扩压段变化对离心压气机性能的影响方式，以及其对叶轮和扩压器相互作用强度的影响，探讨了合理选择无叶扩压段对于离心压气机性能的优化的可能。

The unsteady flow induced by two blunt bodies between two parallel walls is compared with the STARCD software result. The unsteady turbulent flow field within impeller and vaned diffuser in centrifugal fan is computed for the first time in China.

对Couette流动和同轴旋转圆柱面间流动的计算验证了移动网格方法和改进后PISO算法的可靠性；进而对平行平板间两相对运动钝体绕流的非定常流场进行了计算，其结果与STAR-CD软件结果一致。

For the optimization of the structure parameters and operation ones of the cylindrical three-phase cyclone with a vaned inlet and a direct-current outlet which is used for separating the mixtures of solid and liquid particles from gas flow, gas fluid field in three-phase cyclone was measured by five-hole pressure probe under two fluxes.

为了对用于液固混合物与气相分离的直筒型导叶直流式三相旋流器进行结构参数和操作参数的优化，使用五孔球探针对直筒型导叶直流式三相旋流器的气相流场在两个流量下进行了实验测定。

The gas flow field on the top of the discharged tube of cylindrical three phase cyclone with a vaned inlet and a direct current outlet which separates dusty droplet from the fume of boiler is measured with five hole probe.

使用五孔球探针对一种用于分离锅炉净化烟气中含尘液滴的直筒型导叶直流式三相旋流器排气管上部的气相流场进行了实验测定。

Such as: calibrating the laser system, calibrating the measurement region and focusing the CCD camera for the diffuser passage with complex shape, selecting the best incidence angle for the laser sheet,, setting the time parameter including the time between pulses and the time between records, designing the laser system, and selecting water fog with 1～5μm diameter as seedings for PIV measurement after comparing several particles. All of the work is useful to accumulate the PIV measurement experience in turbomachinery. 2. Experimental research of the unsteady flow in diffusers The instantaneous velocity fields within the vaneless and vaned diffuser were measured by using PIV technique.

本文在国内首次进行PIV测量系统对离心风机扩压器内部非定常流动的测量，为此，作者作了必要的实验前期工作：双谐振激光器工作特性的标定；针对扩压器复杂的流道形状，解决了片光源照射区域位置的标定和CCD相机的聚焦等问题；为复杂流道形状的扩压器内部流动的PIV测量选择了最佳片光源入射角度；选择了合适的PIV测量时间参数；为实现非定常内流的PIV测量设计了PIV系统的光路布置；根据非接触测量示踪粒子的选取原则，对几种示踪粒子进行了筛选，最终1～5μm的水雾粒子在本文实验条件下获得最佳效果。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。