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Guide apparatus for experimental testing of francis type hydro turbine models

机译:弗朗西斯型水轮机模型实验测试的导向装置

摘要

The invention relates to a novel design of the guide apparatus including the mechanism for controlling the movement of guide varies of model Francis turbines such that the said mechanism can be universally used for testing Francis turbines models of all specific speeds for the complete working range of model runner discharge diameters as per requirement of the experimental test-bed set up. The novel guide apparatus replaces the conventional one consisting of only turning joints with a combination of turning joints and a sliding joint in conjunction with a number of newly designed features such that the universal mechanism can be applied for testing Francis turbine models of all specific speeds with equal number of guide vanes irrespective of the value of Guide Vane Pitch Circle Diameter (PCD).
机译:本发明涉及一种导向装置的新颖设计,该导向装置包括用于控制型号弗朗西斯涡轮机的导向变化运动的机构,使得该机构可以普遍用于测试整个模型工作范围内所有特定速度的弗朗西斯涡轮机模型。流道排放直径符合实验测试台设置的要求。新颖的导向装置取代了传统的仅由回转接头组成的传统导向装置,结合了许多新设计的特征,将回转接头和滑动接头结合在一起,从而通用机构可用于测试所有特定转速的弗朗西斯涡轮机模型,相等的导叶数量,与导叶节距圆直径(PCD)的值无关。

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