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    Computation and Analysis of Three Dimentional Flow Field for Centrifugal Compressor Impeller with Backward Swept Blades
    离心式压气机后掠叶片叶轮的三元流场计算和分析
    By the contrast experiment study of the same diameter six blades of The Concentrated Wind Energy Turbine, the experiment result is that the rotor power efficiency of propeller rotor is 1.82 times of six blades of The Concentrated Wind Energy Turbine as 4m/s~13m/s,increasing the rotor power efficiency and the output power of The Concentrated Wind Energy Turbine.
    通过和直径相同的浓缩风能型风力发电机专用六叶片叶轮进行对比实验,实验结果表明采用螺旋桨式叶轮后,螺旋桨式叶轮的风能利用系数在 4m/s~13m/s 是现有专用六叶片叶轮的 1.82倍,提高了风能利用系数,增加了现有风力发电机的输出功率。
    The natural frequency and corresponding mode were obtained by analysis of vibration for the blade, impeller and shaft.
    通过软件对各种旋转机械转子的叶片、叶轮和轴进行了振动分析,得出其固有振动频率和相应的振型。
    THE CALCULATING METHOD OF THE DIRECT PROBLEM USED FOR THE TURBOMACHINERY DESIGN WITH COMPOUND SWEEPING AND TWISTING BLADES
    适用于具有弯扭叶片的叶轮机械设计的正问题计算方法
    RESEARCH ON TWO-PHASE FLOW(GAS-PARTICLE)IN IMPELLER WITH 3-D TWISTED BLADES FOR CENTRIFUGAL FANS
    离心风机三元扭曲叶片叶轮中气固两相流动的研究
    ^THEORETICAL AND EXPERIMENTAL RESEARCH ON THE COUPLED VIBRATION CHARACTERISTICES OF BLADED DISK IN STEAM TURBINE
    汽轮机叶片—叶轮系统耦合振动特性的理论计算和实验研究
    Research on the Conpled Vibration of Blade Wheel System for Turbines
    汽轮机叶片—叶轮系统耦合振动研究
    This proves once again that blood pumps based on stream-lined design has lower hemolysis than pumps with straight vanes.
    根据Niimi H的研究结果,再次验证了基于流线型设计的叶轮血泵的溶血要比直叶片的叶轮血泵小。
    The flow field in the impeller and vaned diffuser of two kinds of centrifugal pump are investigated using FLUENT and GAMBIT, a commercial available CFD code. As results, lots of internal flow flied of a centrifugal impeller and vaned diffuser under three different operating conditions are obtained.
    应用GAMBIT软件对扭曲叶片和圆柱形叶片两种不同叶片形状的潜油离心泵进行几何建模并生成网格,应用FLUENT软件分别计算了三种不同工况条件下扭曲叶片和圆柱形叶片叶轮、导轮内部三维紊流流动,得到大量的三维紊流场的分析结果,包括静压分布图、总压分布图、速度矢量分布图等。
    Finally, the finite element results for the impeller and another straight-radial-bladed impeller are compared with the photoelastic results for the same impellers.
    最后,把该叶轮及另一直叶片叶轮的数值计算结果同相应光弹性实验结果作了比较。
    The numerical treatments are made for the calculation of the potential flow field in a impeller with splitter blades.
    文中对具有分流叶片的叶轮势流场计算作出了数值处理。
    When the three dimensional flow fieldabout these impellers is computated by Quasi-Orthogonal Surface Method,the transverse pressure gradient is found to be less than that of theforward inclined and backward bent blade impeller.
    用准正交面法计算这种叶轮的三元流场,横向压力梯度小于前倾后弯叶片叶轮,因此可望配这种叶轮的压气机性能更好些。
    The particle trajectories and the impeller erosion in a centrifugal fan with 3-D twisted blades are studied theoretically and experimentally.
    本文对三元扭曲叶片叶轮离心风机内粒子运动轨迹及叶轮磨损情况进行了理论分析和实验研究。
    It has the following features: small volume, lower cost, higher adjustness, etc. . So that it will be the basis of the integration of measuring and machining for this kind of complex profile.
    这套系统主要适用于封闭型复杂型面(如叶片、叶轮、凸轮等)的测量,将为这类复杂型面的测量加工一体化奠定基础,具有体积小、成本低和对环境适应能力强的特点。
    Comparison with available experimental data was made for three different impellers: backswept log-spiral blade, straight radial blade, and curved blade with backward sweep. Good agreement was obtained for the streamline and velocity distributions.
    就三种不同叶片的叶轮──后掠式对数螺旋线叶片,直线径向叶片,后掠弯曲叶轮──比较它们已有的实验数据,流线与速度的分布基本相同。
    Problems were encountered in the development of liquid hydrogen turbopump of LE-7 engine for many times. All the problems were resolved only when the turbine blade, impeller, guide blade and bearing were significantly modified and tested.
    日本LE-7发动机的液氢涡轮泵在研制过程中多次出现问题,经对涡轮叶片、叶轮、导流叶片、轴系做了大量修改和试验后得到解决。
    According to the principal theory of hydraulics and hydraulic drive,the drive characteristics of hydraulic coupler with plane slant vane wheel are discussed in details on this paper and the mathematical models of the basic parameters-torque coefficient and axial force are proposed.
    本文运用水力学与液力传动基本理论对具有平面倾斜叶片叶轮的液力偶合器传动特性进行了较详细的分析,并得出了力矩系数与轴向力两个主要参数的数学模型。
    Theoretical and experimental research on the coupled vibration characteristics of bladed disk insteam turbine are discussed in this paper.
    对汽轮机叶片—叶轮系统(轮系)耦合振动特性进行了理论和实验研究。
 

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