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- blade tip speed ratio 叶尖速比
- tip speed ratio 叶尖速比
- Abstract: A 3D numerical solution of transonic turbulent flowfield inside a compressor rotor is analyzed with a consideration of blade tip clearance. 文摘:借助于考虑叶片顶部间隙的压气机转子内跨音速湍流流场的三维数值解,得到了该转子流场中的复杂涡系与波系结构。
- Its h.p.and m.p.sealing glands and blade tip sealing were modified with an American adjustable sealing. 1997年7月在第二次大修中引进了美国布莱登可调式汽封,对其高、中压汽封及叶顶汽封进行改造。
- A worm and worm wheel gives a large speed ratio but with significant sliding. 涡轮和蜗杆可获得很大的降速比,但是存在严重的相对滑动。
- The lower speed ratio could be beneficial to the rapid mixing of fluids. 当转速比较低时,有利于快速反应中介质的快速混合。
- But as forward speed increases, thrust falls away until at about 450 mph, propeller efficiency is seriously impaired as the blade tips approach the speed of sound. 但是当向前的速度增加时,推力会下降直到速度到450海里/小时,当翼尖接近音速的时候螺旋桨的效率会严重削弱。
- The parameter influence of rotor free-wake method was presented, including blade discrete segments, vortices grid density and wake length.Several areas were made from blade root to blade tip. 摘要介绍了自由涡方法中多个参数的影响,包括桨叶离散段数、有弯度翼型的涡网格密度、尾迹的长度。
- The flow separation and great range low energy flow occur at the 10% span range of second rotor blade tip near stall point firstly, which was the main reason for the compressor stall. 在近失速点压气机第二排转子叶片吸力面近尖部10%25叶展范围内,最先出现导致叶片失速的大范围分离和低能堵塞团;
- The engine and speed ratio control models are established, and the matching strategy of CVT vehicle is studied. 本文从金属带式无级变速传动的传动机理入手,通过建立发动机和无级变速器的速比变化率模型,研究了发动机与无级变速器的匹配控制策略。
- It was found that the workpiece can obtain better surface quality ground by the wheels trued at speed ratio 0.4. 研究发现,修整速比为0.;4时修整出来的砂轮磨削后工件表面质量较好。
- Then, using support vector machine classifier to conduct quality classification on speed ratio control valve. 然后,使用支持向量机分类器对速比控制阀进行质量分类。
- The mechanical Continuously Variable Transmission (CVT) canchange its speed ratio according to the car's driving demandcontinuously. 机械式无级变速器(CVT, Continuously Variable Transmission)能按汽车的行使要求,传动速比自动连续变化。
- According to the theoretical results, the rotating speed ratio of the wafer to the diamond millstone influences the track type of grinding surface. 另外可从理论模拟的结果得知,晶圆转速和磨盘转速两者的转速比会影响晶圆表面上的研磨轨迹型态。
- Finally, the effect of the rotating speed ratio of the wafer to the diamond millstone on the track type of grinding surface is theoretically analyzed. 最后,由理论分析晶圆和磨盘两者的转速比对研磨表面的研磨轨迹型态之影响。
- In helicopter mode, exhaust gases will pass through channels in the two-blade rotor before exiting through vents in the blade tips. 在直升机模式,废气会通过渠道在两转子叶片在退出之前,通过通风口,在刀片的秘诀。
- RECOMMEND A SAW BLADE TIP PROFILE ABRASIVE BAND ARC GRINDER 推荐一种锯片刀头仿形砂带磨弧机
- In this paper, the speed ratio control principle on continuously variable unit of electromotor control equipped in power split continuously variable transmission is described. 摘要阐述了功率分流式自动变速器中电机控制式无级变速单元的速比控制原理。
- The end face harmonic gear drive of oscillating teeth is a new type of transmission drive;it can be applied in the reducers where large speed ratio and high power is needed. 活齿端面谐波齿轮传动是一种新型的传动方式,可以应用于大传动比、大功率的减速器中。
- Application of CAD in Blade Tip Grounding Tool Design CAD技术在磨叶片叶尖工具中的应用