| 抽水蓄能电站进/出水口体型优化数值模拟 |
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| 作者姓名： | 苏曼 高学平 |
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| 作者单位： | 天津大学建筑工程学院,天津,300072 |
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| 摘 要： | 利用三维紊流数学模型,对某抽水蓄能电站上水库进/出水口原方案及其优化方案抽水和发电工况进行数值模拟,分析了进/出水口段的水头损失、进/出水口段的流态和流速分布等。原方案在抽水工况下,存在扩散段及调整段顶盖板下部产生水流分离区、拦污栅断面有反向流速、各孔口流速不均匀系数偏大等不利水力学现象。考虑以上不利因素,需对原方案进行优化。优化方案计算结果表明,在扩散段和防涡梁段之间增加调整段、压低扩散段盖板扩散角以及增加扩散段长度等措施均能改善水流流态。
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| 关 键 词： | 抽水蓄能电站 上水库 侧式进/出水口 抽水工况 水力特性 优化 紊流模型 |
3D Numerical Simulation of Intake/Outlet of Pumped Storage Plant |
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| Authors: | SU Man GAO Xue-ping |
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| Affiliation: | SU Man,GAO Xue-ping(School of Civil Engineering,Tianjin University,Tianjin 300072,China) |
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| Abstract: | The intake/outlet at the pumped storage plant is an important component of conveyance system,which will affect the running capability,safety and benefit of the plant.The hydraulic characteristics of intake/outlet at a pumped storage plant was studied in this paper.Using the turbulent model,the running conditions of pumping and generation of the pumped storage plant were simulated in different intake/outlet shapes.The effect on water head loss,flow pattern and velocity distribution was studied.In the former ... |
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| Keywords: | pumped storage plant upper reservoir side intake/outlet running conditions of pumping hydraulic characteristics optimization turbulent mode |
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