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double channel
    Hydraulic Design Method of Impeller With Width-Variation Double Channel and its CAD Software
    变宽双流道叶轮的水力设计方法及CAD软件
    Computer Aided Design of a Non clogging Double Channel Impeller
    无堵塞双流道式叶轮的CAD设计
    Application of VB in The Secondary Development of Solidworks on The Double Channel Impeller
    VB技术对Solidworks的二次开发在双流道叶轮中的应用
    Research on Non-overload Design of Double Channel Impeller Hydraulic Model
    双流道叶轮水力模型无过载设计研究
    Design and Application of Special Double Channel Pumps
    特种双流道无堵塞泵设计与应用
    The Design and Experimental Research on Underwater Liquid-solid Two Phase Double Channel Pump
    水下运行环境的固液两相双流道泵的设计与试验研究
    4) Basis on the hydraulic test, the hydraulic performance and wear of flow parts of the double channel pump delivering different liquid-solid fluid are studied, and some performance and wear features are revealed, which lays experimental and theoretical basis to further research.
    4)在试验基础上,对双流道泵输送含不同固体颗粒的固液两相流的水力性能及过流部件的磨损情况进行了研究分析,得出了双流道泵在输送该两相流时的水力性能变化及磨损情况,为以后进一步深入研究积累了经验基础和理论基础。
    Under the environment of Visual C++6.0, the parametric 3-D modeling software PCAD-3D is developed, which includes column blade, curved blade, double channel impeller, volute and radial vaned diffuser, etc.
    在Visual C++6.0编程环境下,开发了扭曲叶片、圆柱叶片、双流道叶轮、蜗壳和径向导叶等的参数化三维造型软件PCAD-3D。
    On the basis of analyses of hydraulic losses, volume losses and machinery losses of impellers and volutes of double channel pumps, the performance prediction methods of the head curve and efficiency curve of double channel pump were provided.
    通过对双流道泵叶轮和蜗壳里的水力损失、容积损失、机械损失的分析 ,提出了双流道泵扬程曲线、效率曲线的性能预测方法。
    The calculation methods of friction losses, diffuser losses and main local hydraulic losses of impellers and volutes of double channel pumps were given.
    分别给出了双流道泵叶轮和蜗壳内各种摩擦损失、扩散损失 ,及主要局部损失的计算方法。
    The Drawing of Vane of Double Channel Impeller
    双流道叶轮叶片绘型
    Research of 3-Dimension Solid Model on the Double Channel Pump
    双流道泵三维实体造型过程的研究
    Numerical simulation of 3-D steady turbulent flow in a double channel impeller
    双流道叶轮内部三维定常湍流数值模拟
    2) The hydraulic design motheds of double channel pump are summarized, and two double channel pumps are developed with velocity-coefficient method for tranfering liquid-solid fluid with big solid particles. Then experiment of pumping water is carried out on the two double channel pumps.
    2)较为全面的总结了目前双流道泵水力设计方法,结合大粒径固体颗粒的输送的特殊要求,用速度系数法设计了两台固液两相双流道泵,并针对这两台泵进行了清水试验及试验总结。
    3) How to make the double channel pump test bed to transport liquid-solid fluid with big solid particles is put forward for the first time and the method on how to test the pump's hydraulic performance when pumping liquid-solid fluid with big solid particles can be summarized.
    3)以双流道泵作为试验泵,在国内首次针对大粒径固体颗粒的水力输送搭建了流量可调的固液两相输送试验装置,提出了一套可行的含大粒径固体颗粒的固液两相输送试验方案。
    Research results shows that it is feasibile to adopt double channel pump as the transfer pump for seabed minerals and lays basis to improvement on hydraulic design and wearability of double channel pump of liquid-solid fluid. It not only accelerates the development of deepsea exploiting, but also furthers the application of the double channel pump as a solid-liquid pump.
    研究结果表明了采用双流道泵作为海底矿物质输送泵是可行的,为双流道固液两相泵的水力设计改进和抗磨损改进提供了参考依据,不仅促进海底矿物质双流道输送泵的发展,而且对双流道泵作为固液两相泵而推广应用也具有重大的意义。
    This paper introduces the determination of design parameters of impeller with width-variation double channel and the drawing method of axial projection and plain projection; Also it introduces its CAD application software that can operating beyond Windows 95 system.
    较为详尽地介绍了变宽双流道叶轮设计参数的确定,轴面投影图及平面图的绘型方法,并介绍了可在Windows95以上系统下运行的该CAD应用软件。
    With reference to the design method of plan hydraulic design of double channel impeller, the new design method of plan hydraulic of single channel impeller is put forward.
    借鉴双流道叶轮水力设计中平面图的设计方法 ,提出了新的单流道叶轮平面图水力设计方法。
    Inspect the design way of plan hydraulic design of double channel impeller, it provides the new design way of plan hydraulic of single channel impeller.
    借鉴双流道叶轮平面图水力设计的方法 ,提出了改进的单流道叶轮平面图水力设计方法 ,改进方法较原方法简单 ,尤其便于编制 CAD软件。
    The paper introuduces the methods of making drawing of double channel impeller in classical works, points out some problems in the drawing and gives out a correct method of making drawing after combine atual situation.
    简述了现有文献中双流道叶轮的叶片绘型方法 ,指出文献中绘型存在的问题 ,并结合设计实例给出了正确的绘型方法。
 

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