| 贯流式水轮机尾水管设计与试验研究 |
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| 引用本文： | 陈新方 季盛林. 贯流式水轮机尾水管设计与试验研究[J]. 河海大学学报(自然科学版), 1995, 23(2): 32-38 |
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| 作者姓名： | 陈新方 季盛林 |
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| 作者单位： | Chen Xinfang(Dept.of Hydro-power Engineering，Hohai Univ.)Ji Shenlin Zhang Jin(Dept.of Electrical Engineering，Hohai Univ.) |
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| 摘 要： | 从工程实际需要出发，研究了贯流式水轮机水平扩散型尾水管的水力性能，提出了这种尾水管的设计方法，从理论上分析了其水力损失。然后对这种管和常用的圆方型尾水管进行了模型水力性能对比试验，用五孔测流探针测量了模型尾水管的流速分布。对试验结果进行了分析和探讨，论证了水平扩散型尾水管用于实际工程的可能性。
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| 关 键 词： | 贯流式水轮机 尾水管 设计 试验 水力损失 |
Design and Study of Draft Tubes of Tubular Turbines |
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| Chen Xinfang. Design and Study of Draft Tubes of Tubular Turbines[J]. Journal of Hohai University (Natural Sciences ), 1995, 23(2): 32-38 |
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| Authors: | Chen Xinfang |
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| Abstract: | new type of draft tube of tubular turbines on level expansion draft tube is studied.The design method of this type of draft tube is proposed and the hydraulic losses of the tube is analysed theoretically.The hydraulic characteristics of the tube is compared with those of the frequently applied type by means of turbine model tests,and the flow field in the model tube is measured by means of five-hole pivot sphere probe. The experimental results are analysed and discussed.The feasibility of application of the tube to practical engineering has been proved. |
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| Keywords: | tubular turbine small head hydraulic resources hvdraulic losses conical type draft tube draft tube efficiency |
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