正弯叶片,positive curved blade
1)positive curved blade正弯叶片
1.The flow fields were measured in the blade tip clearances of the cascade with the conventional straight and positive curved blade.详细测量了常规直叶片与正弯叶片栅间隙内与上、下游流场,比较两套叶栅的实验结果发现:叶片正弯减小了叶顶后3/5轴向弦长范围内的横向压力梯度,并消除了上通道涡,因而大大削弱了泄漏流与瑞壁横流之间的相互干扰,相对漏气量与叶栅流动损失都显著降低。
英文短句/例句

1.Effect of Positive Curved Blade on Aerodynamic Performance of High-Turning Compressor Cascade;正弯叶片对大折转角压气机叶栅气动性能的影响
2.Research on Cavitation is Restrained in Axial Water Pump by Crankle Blade;叶片的弯扭对轴流泵汽蚀抑制的研究
3.The Research on the Inner Flow Characteristic of Circumferential Direction Bowed Blade with Mini Flow小流量下周向弯曲叶片内流特性研究
4.Effects of swept-curved blade on the performance of the multistage fan叶片弯掠对多级风扇气动性能的影响
5.An Experimental Investigation by Using Curved Blade to Control Secondary Flow in Compressor Cascade;弯曲叶片控制扩压叶栅二次流动的实验研究
6.Experimental study on the aerodynamic performance of aft-loading positive-curving blade后加载正弯静叶栅气动性能试验研究
7.Numerical simulation of the aerodynamics performance of swept and curved blade on the compressor stator叶片弯掠对压气机静子叶片气动性能影响的三维数值模拟
8.Effects of Circumferential Bowing Direction on the Aerodynamic and Acoustics Performance of the Bowed & Swept Blade Under Low Flow Rate Conditions周向弯曲方向对弯掠叶片小流量工况下气动-声学性能的影响
9.Bend the bushing tabs so that they are contacting the leaf spring.弯曲衬套接头以便接头能与叶片弹簧接触。
10.AEROELASTIC TAILORING FOR ROTOR BLADES OF TRANSONIC SWEPT FANS跨音弯掠风扇转子叶片的气动弹性剪裁
11.Effect of circumferential forward-skewed blade on aeroacoustic performance of axial fan周向前弯叶片对轴流风扇气动声学性能影响
12.Thermal analysis and design optimization for cooling passage of turbine blades涡轮叶片转弯流道换热分析与优化设计
13.Investigation on Application of Dihedral/Swept Blade and Boundary Layer Suction to Control Vortex Configurations in Compressor Cascades;采用叶片弯/掠及附面层抽吸控制扩压叶栅内涡结构的研究
14.Experimental and Numerical Investigation of Using Bowed Blade in Compressor Cascade with Different Turning Angles;不同折转角压气机叶栅中应用弯曲叶片的实验与数值研究
15.Analysis of the Mechanism Governing the Migration of Boundary Layers in a Highly-loaded Turbine Cascade Controlled By Using Bowed Blades采用弯叶片控制高负荷涡轮叶栅内附面层迁移的机理分析
16.Numerical analysis on tip leakage flow of circumferential skewed blades according to flow rates周向弯曲叶片叶顶泄漏流随流量变化特性数值研究
17.A NUMERICAL INVESTIGATION OF APPLICATION OF BOWED BLADE TO CONTROL FLOW SEPARATION ON HIGHLY LOADED TURBINE CASCADES在高负荷涡轮叶栅中应用弯叶片控制流动分离的实验研究
18.Experimental Investigation of the Aerodynamic Performance of Bowed Blades in High-turning Linear Turbine Cascades弯叶片对大转角平面涡轮叶栅气动性能影响的实验研究
相关短句/例句

bowed blade弯叶片
1.A bowed blade modeling method based on natural spline is proposed.提出了一种基于自然样条思想的弯叶片生成方法,推导了其积迭线的解析表达式。
2.Bowed blade technique is applied to micro axial fans and the numerical investigation is implemented on its aerodynamic performance of the different types of bowed blades.将弯叶片技术运用于微型轴流风扇,并通过CFD数值模拟的手段研究了各种形式的弯叶片的气动特点。
3.For a better and complete understanding of bowed blade s action in diffusion cascade,a numerical investigation on flow field of bowed stators was carried out through keeping conditions other than aspect ratio unchanged.为观察弯叶片在扩压叶栅中的适用条件,在保持其它条件不变的情况下,对一直列叶栅三种展弦比条件下的弯叶片流场进行了数值模拟。
3)flectional cascade可弯叶片
1.Aerodynamic analysis was carried out on a flectional cascade.气动特性计算分析结果表明,采用可弯叶片技术方案可在较高的进气马赫数下获得较大的气流折转角和较宽的气流角调节范围。
4)bowed blade弯曲叶片
1.Correctly selected bowed blade can reduce the energy loss and improve the corner flow.结果表明,优化的弯角和弯高范围随叶型折转角的增大而减小,合理选择弯曲方案将可以达到改善角区流动、减小损失的目的;叶片弯曲优化匹配设计可扩展现代压气机中弯曲叶片的应用范围,也表明了在大转角压气机中采用弯曲叶片设计方法的巨大潜力。
2.It is pointed out that the positively bowed blade under the low Reynolds number condition is a good choice from the view of losses reduction and efficiency improvement according to the field analyzing for the different bowed blades under the low Reynolds number condition.通过对不同弯曲叶片在低雷诺数条件下的流场分析,指出了在低雷诺数条件下正弯叶片仍是一种较好的降低损失的有效手段,并且在低雷诺数条件下正弯叶片的采用比在高雷诺数条件下所带来的收益更大。
3.The exit flow fields of cascades with straight and positively bowed blades, with bowing angles of +10°,+20° and +30°, respectively,are measured by using a micro-five-hole probe.通过采用微型5孔探针测量了常规直叶栅和端部周向倾斜角分别为10°、 20°、 30°的正弯曲叶片叶栅的出口流场。
5)curved blade弯叶片
1.Compared with the original design,the modified design changed many geometry parameters,including adopted optimizing meridional endwall profile,positively curved blade,aft-loading airfoil and negative incidence angle at the leading edge,so the incidence characteristics of these two designs differ significantly.与原型低压导向器相比,改型低压导向器多种几何参数发生了改变,主要包括采用优化的子午型线、正弯叶片、后部加载叶型以及前缘负冲角设计等,因此二者的冲角特性有较大差异。
2.The flow field structure and loss distribution of straight and positively curved blade under the condition of different incidences, which includes 0°、±10°、±20° and ±30°, at high Mach number are studied systematically.计算结果表明,在较大的攻角范围内,正弯叶片可以减小叶栅流道内通道涡的强度,并且由于两端壁的附面层被吸入主流,使得正弯叶片中的能量损失减小。
3.The charactetistics of compressor cascades with curved blades at different inlet boundary layers are studied in detail, and experimental results show that with the thickening of the inlet boundary layer, the secondary losses at the cascade ends increase, the overturning of the fluids near the two ends is enhanced.采用人工加厚叶栅进口附面层厚度的方法,研究了弯叶片压气机叶栅在不同叶栅进口附面层厚度条件下叶栅特性的变化。
6)curved blade弯曲叶片
1.The numerical simulation has been carried out to investigate the secondary flow in the compressor cascades composed of the positive curved blades and negative curved blades.为了研究压气机中采用弯曲叶片对叶栅流场气动性能的影响,本文应用Beam Warming近似隐式因子分解格式以及MML代数湍流模型,采用拟压缩性方法求解雷诺平均拟压缩N S方程组,对弯曲叶片压气机叶栅内三维粘性流场进行了数值模拟。
2.The numerical simulation has been carried out to investigate the three dimensional viscosity flow in the compressor cascades with curved blades of different types of stacking lines.本文采用拟压缩性方法对不同积叠线弯曲叶片压气机叶栅内三维粘性流场进行了数值模拟。
3.The numerical simulation has been carried out to investigate the viscosity flow in the compressor cascades with curved blades of different circumferential bow angles.为了改善扩压叶栅气动性能 ,采用拟压缩性方法对不同周向弯曲角度的正弯曲叶片压气机叶栅内三维粘性流场进行了数值模拟 。
延伸阅读

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