vane efficiency

Filter adopts novel vane design with high division efficiency and differential pressure discharge device.

过滤器采用新颖的旋风叶片设计,分水效率高,并带差压排水装置.

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This take the method of optimization of hydraulic design whose target specification is efficiency. Also, it uses combination vane and double-seal system which was tested by hydraulic experiment and field primary operation that kind of pump is a combination of ideal performance and seal reliability.

理论上采用以效率为目标函数的优化水力设计方法，并采用复合叶轮和双密封结构，经水力试验和现场运行表明，该泵具有很理想的性能和密封可靠性。

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The mathematical model of steam vane is established with 2 × 3 degree nurbs method to improve the quality and efficiency of vane machining. The expression of three-dimensional point and unit vector matrix are put forward and the numeric show of vane is realized.

为了提高汽轮机叶片数控加工的质量和效率，用2×3次非均匀有理B样条方法，建立了叶片的数学模型，推导了其三维点和法矢量矩阵表达式，实现了叶片的数字化表示。

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A new-style vane steering pump based on twin pump is put forward in this thesis to reduce the energy loss and improve the efficiency of power steering pump.

本文提出了一种新型的采用双联泵结构的叶片式转向泵，目的在于降低转向泵的能耗，提高其工作效率。

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Compared with the conventional two-segment start-up, the intelligent start-up can make the unit achieve quick start-up, without over speed, independent with the head. The governor regulates automatically the guide vane and the blade in pump operation, to provide the highest efficiency.

实现智能闭环开机，与传统的两段开机相比，开机过程与水头无关，且迅速平滑。在抽水工况根据水头的变化自动调整导叶和轮叶，使机组达到最高效率。

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