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CFD-半解析模型混合的管束结构流弹失稳预测方法

赵燮霖 冯志鹏 蔡逢春 叶献辉 周进雄

赵燮霖, 冯志鹏, 蔡逢春, 叶献辉, 周进雄. CFD-半解析模型混合的管束结构流弹失稳预测方法[J]. 应用数学和力学, 2021, 42(3): 248-255. doi: 10.21656/1000-0887.410205
引用本文: 赵燮霖, 冯志鹏, 蔡逢春, 叶献辉, 周进雄. CFD-半解析模型混合的管束结构流弹失稳预测方法[J]. 应用数学和力学, 2021, 42(3): 248-255. doi: 10.21656/1000-0887.410205
ZHAO Xielin, FENG Zhipeng, CAI Fengchun, YE Xianhui, ZHOU Jinxiong. A Hybrid CFD and Semi-Analytical Approach to Predict Cross-Flow-Induced Fluidelastic Instability of Tube Arrays[J]. Applied Mathematics and Mechanics, 2021, 42(3): 248-255. doi: 10.21656/1000-0887.410205
Citation: ZHAO Xielin, FENG Zhipeng, CAI Fengchun, YE Xianhui, ZHOU Jinxiong. A Hybrid CFD and Semi-Analytical Approach to Predict Cross-Flow-Induced Fluidelastic Instability of Tube Arrays[J]. Applied Mathematics and Mechanics, 2021, 42(3): 248-255. doi: 10.21656/1000-0887.410205

CFD-半解析模型混合的管束结构流弹失稳预测方法

doi: 10.21656/1000-0887.410205
基金项目: 国家自然科学基金(11972277)
详细信息
    作者简介:

    赵燮霖(1994—),男,博士生(E-mail: 1064542871@qq.com);周进雄(1970—),男,博士(通讯作者. E-mail: jxzhouxx@mail.xjtu.edu.cn).

  • 中图分类号: TL334

A Hybrid CFD and Semi-Analytical Approach to Predict Cross-Flow-Induced Fluidelastic Instability of Tube Arrays

Funds: The National Natural Science Foundation of China(11972277)
  • 摘要: 横向流作用下管束结构传统流弹失稳模型的建立或多或少需要获取实验流体力参数作为输入条件.因此非常需要开发一种不依赖实验数据的管束结构流弹失稳模型.该文提出了一种改进的CFD仿真与半解析方法混合的管束结构流弹失稳预测方法.采用CFD仿真方法获取半解析模型中关键的相位延迟函数,并根据速度将其表示为简单的分段函数.最终预测了横向流作用下间距比为1.375的平行三角形与正三角形管束结构的流弹失稳阈值,预测结果与文献中的实验结果吻合良好.该文提出的CFD半解析模型混合方法同样适用于其他管束结构的流弹失稳预测,为蒸汽发生器传热管流弹失稳现象的研究提供了一种时间成本较低的预测方法.
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出版历程
  • 收稿日期:  2020-07-15
  • 修回日期:  2021-01-15
  • 刊出日期:  2021-03-01

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