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不同重力下90°弯管内气液两相流流型及流动特性研究

刘赵淼 刘佳 申峰

刘赵淼, 刘佳, 申峰. 不同重力下90°弯管内气液两相流流型及流动特性研究[J]. 力学学报, 2015, 47(2): 223-230. doi: 10.6052/0459-1879-14-264
引用本文: 刘赵淼, 刘佳, 申峰. 不同重力下90°弯管内气液两相流流型及流动特性研究[J]. 力学学报, 2015, 47(2): 223-230. doi: 10.6052/0459-1879-14-264
Liu Zhaomiao, Liu Jia, Shen Feng. SIMULATION ON FLOW PATTERNS AND CHARACTERISTICS OF TWO-PHASE GAS-LIQUID FLOW IN A 90° BEND UNDER DIFFERENT GRAVITY[J]. Chinese Journal of Theoretical and Applied Mechanics, 2015, 47(2): 223-230. doi: 10.6052/0459-1879-14-264
Citation: Liu Zhaomiao, Liu Jia, Shen Feng. SIMULATION ON FLOW PATTERNS AND CHARACTERISTICS OF TWO-PHASE GAS-LIQUID FLOW IN A 90° BEND UNDER DIFFERENT GRAVITY[J]. Chinese Journal of Theoretical and Applied Mechanics, 2015, 47(2): 223-230. doi: 10.6052/0459-1879-14-264

不同重力下90°弯管内气液两相流流型及流动特性研究

doi: 10.6052/0459-1879-14-264
详细信息
    通讯作者:

    刘赵淼,教授,主要研究方向:微流体力学、计算流体力学、流固耦合分析.E-mail:lzm@bjut.edu.cn

  • 中图分类号: V211.1+7

SIMULATION ON FLOW PATTERNS AND CHARACTERISTICS OF TWO-PHASE GAS-LIQUID FLOW IN A 90° BEND UNDER DIFFERENT GRAVITY

  • 摘要: 研究了不同重力条件下90°弯管内气液两相流流型分布形态及流动特性. 通过建立90°弯管内气液两相流流动的三维数学物理模型,采用VOF 方法,对10-6g0, 10-4g0, 10-2g0, 1g0 (g0= 9.8m/s2) 重力下的90°弯管内气液两相流流型分布特征、截面空隙率、滑速比及气相尾部最大斜向角进行了比较分析. 研究结果表明:所建立的模型能够正确模拟不同重力条件下90°弯管内气液两相流流型和截面空隙率,并得到气液两相弯管二次流与单相二次流的不同特性. 随着重力水平的提高,90°弯管对气相流型的影响作用减弱,气相整体向弯管内侧积聚靠拢,弯管对尾部的斜向作用减弱.

     

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出版历程
  • 收稿日期:  2014-09-03
  • 修回日期:  2014-12-09
  • 刊出日期:  2015-03-18

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