| 绕水翼超空化流动数值模拟的湍流模型评价 |
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| 引用本文： | 李向宾,王国玉,张博,余志毅. 绕水翼超空化流动数值模拟的湍流模型评价[J]. 北京理工大学学报, 2008, 28(11): 975-978 |
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| 作者姓名： | 李向宾 王国玉 张博 余志毅 |
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| 作者单位： | 1. 北京理工大学,机械与车辆工程学院,北京,100081;华北电力大学,核科学与工程学院,北京,102206
2. 北京理工大学,机械与车辆工程学院,北京,100081 |
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| 基金项目： | 国家自然科学基金 |
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| 摘 要： | 为深入了解湍流模型对超空化流动计算的影响,分别采用3种不同的湍流模型即标准κ-ε模型、RNGκ-ε模型和SSG雷诺应力模型,对绕水翼的超空化流动进行了数值模拟,并与实验结果进行了对比.结果表明:标准κ-ε模型仅能模拟出定常状态的超空化形态;RNGκ-ε模型和SSG雷诺应力模型能较为准确地模拟出超空化区域内的两相混合非定常特性,并完整再现了空泡内部两相(气相和水气混合相)界面的反向波动过程,而采用RNGκ-ε模型计算得到的最大空泡长度与实验最为接近.
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| 关 键 词： | 超空化 湍流模型 非定常特性 |
| 收稿时间： | 2008-01-09 |
Evaluation of Turbulence Models for the Numerical Simulation of Supercavitating Flows Around a Hydrofoil |
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| LI Xiang-bin,WANG Guo-yu,ZHANG Bo and YU Zhi-yi. Evaluation of Turbulence Models for the Numerical Simulation of Supercavitating Flows Around a Hydrofoil[J]. Journal of Beijing Institute of Technology(Natural Science Edition), 2008, 28(11): 975-978 |
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| Authors: | LI Xiang-bin WANG Guo-yu ZHANG Bo YU Zhi-yi |
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| Affiliation: | School of Mechanics and Vehicular Engineering, Beijing Institute of Technology, Beijing 100081, China;School of Nuclear Science and Engineering, North China Electric Power University, Beijing 102206, China;School of Mechanics and Vehicular Engineering, Beijing Institute of Technology, Beijing 100081, China;School of Mechanics and Vehicular Engineering, Beijing Institute of Technology, Beijing 100081, China;School of Mechanics and Vehicular Engineering, Beijing Institute of Technology, Beijing 100081, China |
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| Abstract: | |
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| Keywords: | supercavitation turbulence model unsteady characteristics |
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