| 水泵水轮机双向流动控制优化设计 |
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| 引用本文： | 李凤超,樊红刚,陈乃祥. 水泵水轮机双向流动控制优化设计[J]. 水力发电学报, 2010, 29(1) |
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| 作者姓名： | 李凤超 樊红刚 陈乃祥 |
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| 作者单位： | 清华大学,热能工程系,水沙科学与水利水电工程国家重点实验室,北京,100084 |
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| 基金项目： | 国家自然科学基金资助项目(50479006) |
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| 摘 要： | 本文建立了能够控制双向流动性能的水泵水轮机在线优化设计模型.模型中采用全三维反问题方法设计转轮叶片,采用叶型逼近方法求解水轮机工况和水泵工况的流场.综合考虑双向流动的能量性能和空化性能,提出了综合性能评价函敫.采用单纯形加速方法,对一高水头水泵水轮机进行优化设计,得到了综合流动性能较好的转轮.全流道的定常湍流计算结果表明,优化后两个流动方向的转轮效率都提高,空化系数降低,证明了优化方法是可行的.模型可以实现计算机的在线优化计算,减少了人工干预.
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| 关 键 词： | 水力机械 优化设计 双向流动 单纯形加速法 |
Optimum design of pump-turbine for bidirectional flow control |
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| LI Fengchao , FAN Honggang , CHEN Naixiang. Optimum design of pump-turbine for bidirectional flow control[J]. Journal of Hydroelectric Engineering, 2010, 29(1) |
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| Authors: | LI Fengchao FAN Honggang CHEN Naixiang |
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| Affiliation: | LI Fengchao,FAN Honggang,CHEN Naixiang(State Key Laboratory of Hydroscience , Engineering,Department of Thermal Engineering,Tsinghua University,Beijing 100084) |
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| Abstract: | In this paper a model for on-line optimum design is established to control the bidirectional flow performance of pump-turbine,including a full 3D inverse method for the design of runner's blades,a method of blade shape approximation to obtain the flow fields at the turbine and pump modes,and a function for comprehensive evaluation of performance in terms of efficiency and cavitation.The SIMPLEX accelerating method is used to design a high-head pump-turbine runner to improve the comprehensive performance.Num... |
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| Keywords: | hydraulic machinery optimum design bidirectional flow accelerating SIMPLEX method |
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