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内分液结构调控竖直管间歇流型建模研究

马晓林 徐进良 谢剑 邢峰 程永攀

马晓林, 徐进良, 谢剑, 邢峰, 程永攀. 内分液结构调控竖直管间歇流型建模研究[J]. 力学学报, 2015, 47(1): 61-70. doi: 10.6052/0459-1879-14-218
引用本文: 马晓林, 徐进良, 谢剑, 邢峰, 程永攀. 内分液结构调控竖直管间歇流型建模研究[J]. 力学学报, 2015, 47(1): 61-70. doi: 10.6052/0459-1879-14-218
Ma Xiaolin, Xu Jinliang, Xie Jian, Xing Feng, Cheng Yongpan. MODEL RESEARCH ON MECHANISM OF MODULATED FLOW PATTERNS FOR VERTICAL UPFLOW[J]. Chinese Journal of Theoretical and Applied Mechanics, 2015, 47(1): 61-70. doi: 10.6052/0459-1879-14-218
Citation: Ma Xiaolin, Xu Jinliang, Xie Jian, Xing Feng, Cheng Yongpan. MODEL RESEARCH ON MECHANISM OF MODULATED FLOW PATTERNS FOR VERTICAL UPFLOW[J]. Chinese Journal of Theoretical and Applied Mechanics, 2015, 47(1): 61-70. doi: 10.6052/0459-1879-14-218

内分液结构调控竖直管间歇流型建模研究

doi: 10.6052/0459-1879-14-218
基金项目: 国家重点基础研究发展计划项目(2011CB710703)和国家自然科学基金重大国际合作项目(51210011)资助.
详细信息
    作者简介:

    徐进良,教授,主要研究方向:微纳流动与传热;多相流动与传热. E-mail: xjl@ncepu.edu.cn

  • 中图分类号: O359+.1

MODEL RESEARCH ON MECHANISM OF MODULATED FLOW PATTERNS FOR VERTICAL UPFLOW

Funds: The project was supported by the National Basic Research Program of China (2011CB710703) and the National Natural Science Foundation of China of International cooperation project (51210011).
  • 摘要: 内分液流型调控管依靠微尺度网孔阻气通液的毛细力学特性,调控气液两相间歇流型以实现传热强化.基于Lockhart-Martinelli 分相模型以及Zuber-Findlay 漂移流动模型,建立描述内分液竖直管内流体动力特性的一维数学模型. 采用模型求解实验工况,计算结果与实验结果误差均在20% 以内. 计算发现,液速对流动现象起决定作用,而气速影响通过丝网的渗透程度. 在定性分析基础上,采用三角立方插值与最小二乘B 样条拟合获得了流动特性与气速、液速的定量函数关系. 据此得出结论,当Rel < 693 7 时,一定出现第1 类工况;当Rel > 693 7,且Reg < 67 时,可能会出现第2 类工况,此时较低的气速会促进第2 类工况的出现. 根据建立的模型与拟合关系式可实现内分液调控管的优化设计.

     

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出版历程
  • 收稿日期:  2014-07-24
  • 修回日期:  2014-12-09
  • 刊出日期:  2015-01-18

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