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Breakup and coalescence regularity of non-diluteoil drops in a vane-type swirling flow field
Liu S(刘硕); Zhang D(张栋); Yang LL(杨乐乐); Xu JY(许晶禹); Xu JY(许晶禹)
2018-01
发表期刊Chemical Engineering Research & Design
卷号129页码:35–54
摘要

In this work, in order to investigate the behavior of non-dilute drops, including breakup,coalescence and trajectory, in a 100-mm inner-diameter horizontal swirling flow field with low inlet mixture velocity, both an experimental study and numerical simulation were con-ducted. Inlet oil phase concentration was under 3.0% volume fraction, with an inlet flowrate ranging from 12 m3/h to 18 m3/h. Malvern RTsizer and Electrical Resistance Tomog-raphy were applied for measuring the drop size distribution and oil phase concentration,respectively. Correspondingly, numerical simulations applying a Renormalization-group k-εturbulent model, coupled with a Discrete Phase Model simulating oil phase, were conductedas well. The results showed that small drops in the flow field tended to coalescence, whilethe behavior of large drops was determined by the inlet flow rate. A higher inlet flow rate ledto a thinner oil core with constant inlet oil concentration. Moreover, the simulation results,which corresponded well with the experimental observations, presented oil drops distribu-tion laws of breakup, coalescence and trajectory in a 100-mm inner diameter swirling flowfield and established a prediction model in a similar flow field. Finally, regularity of swirlingintense distribution and drop-turbulence interaction in a swirling flow field with a low inletvelocity was established. These results provide new information helpful for the design ofvane-type separator.

学科领域多相流体力学
DOI10.1016/j.cherd.2017.10.033
收录类别SCI ; EI
语种英语
课题组名称LMFS多相流及流固耦合(LHO)
引用统计
被引频次:1[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://dspace.imech.ac.cn/handle/311007/71896
专题流固耦合系统力学重点实验室
通讯作者Xu JY(许晶禹)
作者单位1.中国科学院力学研究所
2.中国科学院大学 工程学院
推荐引用方式
GB/T 7714
Liu S,Zhang D,Yang LL,et al. Breakup and coalescence regularity of non-diluteoil drops in a vane-type swirling flow field[J]. Chemical Engineering Research & Design,2018,129:35–54.
APA Liu S,Zhang D,Yang LL,Xu JY,&许晶禹.(2018).Breakup and coalescence regularity of non-diluteoil drops in a vane-type swirling flow field.Chemical Engineering Research & Design,129,35–54.
MLA Liu S,et al."Breakup and coalescence regularity of non-diluteoil drops in a vane-type swirling flow field".Chemical Engineering Research & Design 129(2018):35–54.
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