间隙涡,tip clearance vortex
1)tip clearance vortex间隙涡
1.From a computation of the three dimensional flow in the first stage in a power turbine,it can be indicated that when tip clearance height is 3 mm,the fluid roll up to formtip clearance vortex at the corner between blade tip and suction surface at about 25% axial chord,resulting in the blockage of main flow.对某动力涡轮第一级内三维流动的数值计算结果表明,流体在经过动叶叶顶间隙以后在约25%叶顶轴向弦长处(τ=3 mm)在叶顶与吸力边夹角处卷起形成间隙涡,造成流动阻塞,同时在间隙内叶片顶部10%叶顶轴向弦长处(τ=3 mm)开始在压力边出现叶顶分离涡,使得间隙流动损失增加。
2.Based on the distributions of secondary velocity and averaged azimuthal flow angle, the form of mixing process oftip clearance vortex with passage vortex and its influences on secondary flow structure were studied.对不同动叶顶部间隙的Aachen一级半轴流透平内部流动进行了数值模拟,以二次速度矢量和周向平均气流角的分布为依据,分析了间隙流、间隙涡与动叶顶部通道涡掺混的方式及其对二次流结构的影响。
3.Another moretip clearance vortex appears near the leading edge,which dissipates quickly and keeps the regular one almost near the suction surface.通过间隙的流量增加,同时吸力面侧在叶片前缘、叶片中部各形成一个间隙涡。
2)clearance vortex间隙涡流
1.Noise and Characteristics tests are conducted on an axial flow fan and the effect of theclearance vortex of the fan is analysed.分析了轴流式风机叶尖间隙涡流对噪声特性和气动性能的影响 ,通过试验验证了在叶片端部加装旋转环控制间隙涡流的效果 ,结果表明了加旋转环可在一定程度上降低噪声并改善气动性能。
3)turbine clearance; turbine gap涡轮间隙
英文短句/例句
1.Effects of casing air injection position on controlling tip clearance flow in axial turbines机匣喷气位置对涡轮间隙流动控制的影响
2.Effects of casing air injection massflow rates on controlling tip clearance flow in axial turbines机匣喷气量对涡轮间隙流动控制的影响
3.SIMULATION OF EFFECTS OF BLADE ROTATION ON TIP CLEARACNE FLOW IN AXIAL TURBINES叶片转动对涡轮间隙内部流动影响的数值研究
4.Research on Numerical Calculation and Analysis of HPT Tip Clearance;高压涡轮叶尖间隙数值计算与分析研究
5.The Visualization of Axial Interval Adjustment between Stator and Rotor of Turbodrill涡轮钻具定转子轴向间隙调整的可视化研究
6.Numerical Research of Tip Clearance Flow Structure in a Pivoting-Stator of Radial Inflow Turbines向心涡轮可调导叶间隙流动的数值研究
7.Effects of endwall relative motion on tip clearance flow in turbine rotors机匣相对转动对涡轮叶顶间隙流动的影响
8.A Numerical Simulation Consideration an Exhaust Gas Turbine Stage Cascade with Tip Clearance计及动叶顶部间隙影响的烟气涡轮数值模拟
9.Effect of different incidences on turbine cascades flow in blade tip clearance冲角变化对涡轮叶栅内间隙流动的影响
10.Effects of Turbine Tip Clearance on Gas Turbine Performance叶尖间隙对涡轮气动性能影响的试验研究
11.Design of High Efficiency Turbine with Large Tip Clearance for Rocket Engine大叶顶间隙高效率火箭发动机涡轮设计
12.impeller clearance叶轮间隙;叶片间隙;导向叶片与工作叶片的间隙
13.Clogging up of the cooling air slits in the turbine blades is primarily caused by ultrafine particles with a high specific surface area.涡轮叶片之间冷却空气缝隙的堵塞主要是因为存在高比表面积的超细粒子。
14.impeller-diffuser clearance(浮选机) 叶轮扩散器间隙
15.Gear-to-Body Clearance (Radial)齿轮至缸体间隙(径向)
16.Study of Three-dimensional Velocity of Vortices in Rotary Tubular Membrane Separator;旋转管式膜分离器环隙间涡区域速度场分析
17.The Investigation on the Tolerance of Gap and Its Influence of Low Pressure Case Type Scroll Compressor间隙公差对低压外壳型涡卷压缩机之影响
18.Thermal Effect of the Eddy Current Sensor Probe for Measuring the Gaps Between Curved Surfaces曲面间隙测量电涡流传感器探头的热效应研究
相关短句/例句
clearance vortex间隙涡流
1.Noise and Characteristics tests are conducted on an axial flow fan and the effect of theclearance vortex of the fan is analysed.分析了轴流式风机叶尖间隙涡流对噪声特性和气动性能的影响 ,通过试验验证了在叶片端部加装旋转环控制间隙涡流的效果 ,结果表明了加旋转环可在一定程度上降低噪声并改善气动性能。
3)turbine clearance; turbine gap涡轮间隙
4)tip leakage vortex间隙泄漏涡
5)eddy current clearance sensor电涡流间隙传感器
6)turbocharger bearing clearance涡轮增压器轴承间隙
延伸阅读
白鼋涡（杂言走笔）【诗文】：南山之瀑水兮，激石滈瀑似雷惊，人相对兮不闻语声。翻涡跳沫兮苍苔湿，藓老且厚，春草为之不生。兽不敢惊动，鸟不敢飞鸣。白鼋涡涛戏濑兮，委身以纵横。王人之仁兮，不网不钓，得遂性以生成。【注释】：【出处】：全唐诗：卷125_118
