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变截面毛细通道中气泡的运动特性分析

曹瑜 张佐光 赵卫娟

曹瑜, 张佐光, 赵卫娟等 . 变截面毛细通道中气泡的运动特性分析[J]. 北京航空航天大学学报, 2006, 32(07): 847-851.
引用本文: 曹瑜, 张佐光, 赵卫娟等 . 变截面毛细通道中气泡的运动特性分析[J]. 北京航空航天大学学报, 2006, 32(07): 847-851.
Cao Yu, Zhang Zuoguang, Zhao Weijuanet al. Mobility behavior for driving bubble traversing constricted capillary tubes[J]. Journal of Beijing University of Aeronautics and Astronautics, 2006, 32(07): 847-851. (in Chinese)
Citation: Cao Yu, Zhang Zuoguang, Zhao Weijuanet al. Mobility behavior for driving bubble traversing constricted capillary tubes[J]. Journal of Beijing University of Aeronautics and Astronautics, 2006, 32(07): 847-851. (in Chinese)

变截面毛细通道中气泡的运动特性分析

基金项目: 国家973资助项目(2003CB615602) ; 国家863资助项目(2001AA335020)
详细信息
  • 中图分类号: TB 332

Mobility behavior for driving bubble traversing constricted capillary tubes

  • 摘要: 为了确定复合材料成型过程中气泡的运动条件,利用变截面毛细模拟通道实验系统,研究了气泡在变截面毛细管中的运动行为,分析了气泡长度、毛细管半径及液体种类对气泡垂直穿出行为的影响,并从理论角度推导出气泡穿出的临界压力方程.研究结果表明,气泡垂直穿出变截面毛细通道所需要的临界压力差,随气泡长度和毛细管半径的增大而减小,液体种类对其也有明显影响,实验结果与理论计算值基本吻合.该研究结果将为复合材料成型中工艺参数的优化提供实验依据.

     

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出版历程
  • 收稿日期:  2005-08-18
  • 网络出版日期:  2006-07-31

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