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High-efficiency mixing process in secondary rotating stream
Wang, Dong-guang1; Wang, Yu-hua1; Sun, Zhen-yu2; Zhou, Rong-tao3; Zhu, Bai-Kang1; Zhang, Ren-Kun1
2017-04-01
发表期刊CHEMICAL ENGINEERING JOURNAL
ISSN1385-8947
卷号313页码:807-814
摘要Primary rotating flow (PRF) and secondary rotating stream (SRS) are two basic rotating flow patterns. We compared their mixing performances via the iodine transfer process from CCI4 to water. When the mixing power consumptions of the SRS mixer and PRF blender were approximated, the maximum value of K alpha(SRS) exceeded 71.7 s(-1). (K alpha) over bar (SRS) was higher than (K alpha) over bar (PRF) 3 orders of magnitude, but the total energy consumption of the SRS mixer was lower than that of the PRF blender 2 orders of magnitude. It was also found that (K alpha) over bar (SRS) increased sharply with the decrease of r, which is consistent with the typical characteristics of Higee technology. Furthermore, computational fluid dynamics (CFD) was applied to simulate the pressure and flow field distributions of SRS. Based on the analysis of the velocity distribution mappings, it is concluded that SRS spontaneously generates intensive convection and vigorous shear stress under the reversing high-gravity field. The curve of K alpha C-SRS versus semi-circle channels is composed of a peak line and a wave line. In theory, we systematically illustrated the reasons for the high efficiency of SRS from four perspectives: time mixing, thermodynamics, momentum and mass transfers, opposite energy flows. Having many advantages and potentials, SRS will be widely explored and applied in chemical engineering field. (C) 2016 Elsevier B.V. All rights reserved.SRS
关键词Secondary Rotating Stream Reversing High-gravity Field Multiscale Mixings Mass Transfer Computational Fluid Dynamics (Cfd) Process Intensification
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.cej.2016.12.069
收录类别SCI
语种英语
关键词[WOS]GRAVITY REACTIVE PRECIPITATION ; HEAT-TRANSFER ; NANOPARTICLES ; TECHNOLOGY ; FLOWS
WOS研究方向Engineering
WOS类目Engineering, Environmental ; Engineering, Chemical
项目资助者National Key Technology R&D Program of China(2009BAB47B08) ; Science & Technical Project of China Petroleum Chemical Co.(314109)
WOS记录号WOS:000394723200082
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/22067
专题多相复杂系统国家重点实验室
作者单位1.Zhejiang Ocean Univ, Petrochem & Energy Engn Sch, 1 Haida South Rd, Zhoushan 316022, Zhejiang, Peoples R China
2.Beijing Univ Chem Technol, State Key Lab Organ Inorgan Composites, 15 Third Ring Rd, Beijing 100029, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, POB 353, Beijing 100190, Peoples R China
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Wang, Dong-guang,Wang, Yu-hua,Sun, Zhen-yu,et al. High-efficiency mixing process in secondary rotating stream[J]. CHEMICAL ENGINEERING JOURNAL,2017,313:807-814.
APA Wang, Dong-guang,Wang, Yu-hua,Sun, Zhen-yu,Zhou, Rong-tao,Zhu, Bai-Kang,&Zhang, Ren-Kun.(2017).High-efficiency mixing process in secondary rotating stream.CHEMICAL ENGINEERING JOURNAL,313,807-814.
MLA Wang, Dong-guang,et al."High-efficiency mixing process in secondary rotating stream".CHEMICAL ENGINEERING JOURNAL 313(2017):807-814.
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