| 双抽吸缝除湿方法的数值研究 |
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| 引用本文： | 王祥锋. 双抽吸缝除湿方法的数值研究[J]. 科学技术与工程, 2011, 11(27): 6598-6604 |
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| 作者姓名： | 王祥锋 |
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| 作者单位： | 1. 哈尔滨工业大学能源科学与工程学院,哈尔滨150001;哈尔滨汽轮机厂有限责任公司,哈尔滨150046
2. 哈尔滨工业大学能源科学与工程学院,哈尔滨,150001 |
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| 摘 要： | 采用两相流模型对开双抽缝除湿槽的某末级中空静叶片进行了数值模拟研究。根据除湿机理设计了两种双抽吸缝结构,数值模拟了采用双抽吸缝结构一级蒸汽透平叶栅流场。比较了两种双抽吸缝方案条件下不同叶高上湿度场和压力场。指出应该将除湿效果和对蒸汽流场的影响进行同步评估,方案A(缝宽3.5 mm)具有较好的处理蒸汽和水膜的能力,其除湿效果要优于方案B(缝宽5 mm)。
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| 关 键 词： | 静叶片 抽吸 除湿 数值研究 |
| 收稿时间： | 2011-06-19 |
| 修稿时间： | 2011-06-19 |
Numerical Simulation on Double Moisture Removal Suction Slots |
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| wangxiangfeng. Numerical Simulation on Double Moisture Removal Suction Slots[J]. Science Technology and Engineering, 2011, 11(27): 6598-6604 |
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| Authors: | wangxiangfeng |
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| Affiliation: | 1(School of Energy Science and Engineering,Harbin Institute of Technology1,Harbin 150001,P.R.China; Harbin Turbine Company Ltd2,Harbin 150001,P.R.China) |
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| Abstract: | The structure of double moisture removal suction slot in a final stage hollow vane was investigated using two-phase numerical simulation methods. Two types of suction slots configuration were designed according to the moisture removal suction mechanism. The flow filed of a steam turbine stage with employ double moisture removal suction slots was calculated. The moisture field and pressure field at different span wise were compared for the two types of cases. It is pointed that the moisture removal effectiveness and its influence on steam flow field should be evaluated synchronously. The Structure of case A had the ability to the treatment of steam and water film, which is superior to case B. |
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| Keywords: | guide vane suction moisture removal numerical simulation |
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