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波形板分离器中液滴二次携带碰壁模型 被引量:13

The model of secondary droplets in the steam-water separator with wave-shape vanes
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摘要 分析了波形板气水分离器内二次液滴携带现象的机理 ,得出波形板内二次液滴主要来源于气流剪切液膜和液滴撞击液膜的结论 .基于此建立了考虑二次携带现象的新的碰壁模型 .新模型可以求出反弹后液滴的速度、液滴碰壁飞溅后所产生的二次液滴群的直径、数目、速度和角度 . The mechanism of secondary droplets in the steam water with wave shape vanes was analyzed. It is concluded that the secondary droplets mainly come from shearing of airflow and impinging of droplets on film. The new impinging model was founded based on the mechanism of secondary droplets. According to the new model, the velocity of droplet from incident droplet′s rebounding from the film was known, and diameter, number, velocity and angle of droplet groups from incident droplet′s impinging were obtained.
出处 《华中科技大学学报(自然科学版)》 EI CAS CSCD 北大核心 2003年第8期41-43,共3页 Journal of Huazhong University of Science and Technology(Natural Science Edition)
基金 国家重点基础研究发展规划资助项目 (G2 0 0 0 0 2 6 30 3) 中国核动力研究设计院空泡物理和自然循环重点实验室基金资助项目
关键词 二次携带 波形板 模型 气水分离 secondary droplets wave shape vane model steam water separator
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参考文献6

  • 1Toshitsugu Nakao, Yoshinori Saito. Droplet behavior analyses in the BWR dryer and separator, J. of Nuclear Sci. & Tech, 1998, 35(4): 286--293.
  • 2Toshisugu Nnakao, Nakoto Nagase. Development of simolified wave-type vane in BWR steam dryer and assesmaent of vane droplet removal characteristics, J. of Nuclear Sci. & Tech, 1999, 36(5): 424--432.
  • 3Bai Chengxin, Gosman A D. Development of methodology for spray impingement simulation. 1995, SAE Paper 950283.
  • 4Mundo C H R, Sommerfeld M. Droplet-wall collisions:experiment studies of the deformation and breakup process. Int. J. Multiphase Flow, 1995, 21(2): 151--173.
  • 5Stow C D, Stainer R D. The physical products of a splashing water drop. J. of the Meteorological Society of Japan, 1977, 55(2): 518-531.
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