Experimental study on the bubble generation characteristics for an venturi type bubble generator
Yin, JL; Li, JJ; Li, H; Liu, W; Wang, DZ; Wang, DZ (reprint author), Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai 200240, Peoples R China.
2015
发表期刊INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
ISSN0017-9310
卷号91页码:218—224
文章类型期刊文献
摘要Bubble generation plays a significant role for mass transfer. An experimental study was performed in a Venturi type bubble generator to evaluate the development of the bubble size distribution in the turbulence flow of an air-water system. As the air stream enters into the flowing water stream through small feedholes, it breaks into bubbles in the diverging section of the venturi tube. Based on the results of Kress's formulation on turbulence dissipation rate, the bubble size correlation with the Reynolds number and the surface tension coefficient was derived. For purpose of validation, the bubbly flow under various Re and gas volume ratios was measured by visualization technique. The experimental data proved that the volume averaged bubble diameter has a -1 power dependence on the Re, which agrees well with the theoretical derivation. Also, it is found that the bubble size is a linear function of the gas volume ratio and a revised formulation which includes the gas volume ratio effect was proposed. (C) 2015 Elsevier Ltd. All rights reserved.
关键词Simulation Dynamics Columns Breakup Flows
收录类别SCI
语种英语
WOS记录号WOS:000362130700024
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/24926
专题中科院上海应用物理研究所2011-2018年
通讯作者Wang, DZ (reprint author), Shanghai Jiao Tong Univ, Sch Mech Engn, Shanghai 200240, Peoples R China.
推荐引用方式
GB/T 7714
Yin, JL,Li, JJ,Li, H,et al. Experimental study on the bubble generation characteristics for an venturi type bubble generator[J]. INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER,2015,91:218—224.
APA Yin, JL,Li, JJ,Li, H,Liu, W,Wang, DZ,&Wang, DZ .(2015).Experimental study on the bubble generation characteristics for an venturi type bubble generator.INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER,91,218—224.
MLA Yin, JL,et al."Experimental study on the bubble generation characteristics for an venturi type bubble generator".INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER 91(2015):218—224.
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