| 混流式水轮机转轮流道数据库系统的设计及应用研究 |
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| 引用本文： | 陈红红,张礼达. 混流式水轮机转轮流道数据库系统的设计及应用研究[J]. 四川水力发电, 2001, 20(3): 51-52 |
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| 作者姓名： | 陈红红 张礼达 |
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| 作者单位： | 四川工业学院 |
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| 摘 要： | 阐述了混流式水轮机转轮流道数据库应用软件的研制及实现过程。在研制过程中，应用规范化理论、模式分析方法和实体－联系方法对混流式水轮机转轮流道几何形状尺寸进行分析，得出混流式水轮机转轮流道数据库的概念模式，并从中抽出典型的基本数据结构。根据基本数据结构的特点和数据存取要求，建立了混流式水轮机转轮流道的数据库应用软件，该软件可在混流式水轮机转轮优化设计过程中根据实际要求作出转轮流道图，为混流式水轮机转轮的优化设计作了有益的尝试。
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| 关 键 词： | 混流式水轮机 转轮流道 数据库应用软件 几何形状尺寸分析 优化设计 |
| 文章编号： | 1001-2184(2001)03-0051-02 |
| 修稿时间： | 2001-06-10 |
Design of Main Structures at Yaoheba Hydropower Station |
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| CHEN Hong hong ZHANG Li da. Design of Main Structures at Yaoheba Hydropower Station[J]. Sichuan Water Power, 2001, 20(3): 51-52 |
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| Authors: | CHEN Hong hong ZHANG Li da |
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| Abstract: | Development and Accomplishment of a Database Application System(DAS) for runner channel of Francis turbine is presented in the paper . During development , geometry size of runner channel of Francis turbine is determined by standard theory , mode analysis method and E-R approach to obtain the concept mode of database for runner channel of Francis turbine and abstract the typical basic data structure . Based on the characteristics of basic data structure and requirement of data access , application software for database for runner channel of Francis turbine is developed . Runner channel is plotted by the software in accordance with actual requirements during optimization design of runner of Francis turbine . |
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| Keywords: | Francis turbine runner channel application software for database database |
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