混流式水轮机转轮叶片的延伸(张礼达; 廉玲军; 任腊春)

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【作者】张礼达; 廉玲军; 任腊春 【作者单位】西华大学能源与环境学院水利论文.k6MMs,\#]F'Z

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【论文摘要】 对混流式水轮机转轮叶片进行了自由曲面延伸的研究。利用传统的木模图来表示混流式水轮机叶片时存在表示不完整和无法引入计算机辅助设计和制造的不足,针对这一问题, 本研究提出了自由曲面满足切平面连续的延伸方法,并基于 UG NX 4.0强大的实体化曲面处理能力,从叶片木模图提供的数据出发,建立了完整的叶片实体模型,并与实物叶片进行比较,结果显示了该延伸方法的可行性.

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【英文论文摘要】 In this paper,extension of Francis turbine blades was researched.The traditional wooden patterns used for describing turbine blade could not be used to describe the whole blade and to be introduced into techniques of CAD/CAM,So,a new extending method for free-form surface satisfying tangent plane continuity was presented in the article,and on the basis of powerful capacity of materializing surface of UG NX 4.0 and the data of wooden patterns,a complete solid model of blade was established.The results of comparing with actual blade proved that this extension method was feasible.

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【论文关键词】 叶片; 延伸; 自由曲面; 木模图水利论文)U+N.vR!p%s_cM _0Y
【英文论文关键词】 blade; extension; free-formsurface; wooden patterns水利论文+rDT6e3a5S2{ K
【基金】四川省科技厅应用基础研究计划课题(04JY029-054)。水利论文7}uD&Xn p(~y

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TAG: 张礼达 叶片 水轮机转轮 混流式
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