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Structure optimization of gas-liquid combined loop reactor using a CFD-PBE coupled model
  • ISSN号：1672-5107
  • 期刊名称：Petroleum Science
  • 时间：2012.9
  • 页码：379-388
  • 分类：TQ052.5[化学工程] P641.2[天文地球—地质矿产勘探;天文地球—地质学]
  • 作者机构：[1]School of Energy Power and Mechanical Engineering, North China Electric Power University, Beijing 102206, China, [2]School of Chemical Engineering, University of Adelaide, South Australia, SA 5005, Australia
  • 相关基金：Financial support from the Central Universities （12QN02）,National Natural Science Foundation of China （51025624 and 51076043）, and 111 Project （B12034） is gratefully acknowledged. We also thank Mr. Qin Yumin for his contribution in the paper.
  • 相关项目：热力学，节能理论与技术，先进能量系统
作者： Qi Nana|Zhang Kai|Xu Gang|Yang Yongping|Zhang Hu|
关键词： 循环反应器, 耦合模型, 结构优化, 气液联合, 计算流体动力学, 环管反应器, 气泡直径, 液体循环, Loop reactor, Structure optimization, Hydrodynamics, CFD-PBE coupled model
中文摘要：

流动特征在有外部液体循环的一个内部环反应堆，煤气的劫盗，和水泡尺寸分发例如流动模式，被模仿由使用联合的人口平衡方程(PBE ) 建模的计算液体动力学(CFD ) 调查反应堆内幕的影响。数字结果揭示那介绍一个 downcomer 试管和草稿试管罐头帮助通过提高的液体循环，增加的煤气的劫盗和减少的水泡直径改进团和反应堆的热转移。在有外部液体循环的内部环反应堆的水动力学行为能被调整直径和草稿试管的轴的位置有效地管理。

英文摘要：

Flow characteristics, such as flow pattern, gas holdup, and bubble size distribution, in an internal loop reactor with external liquid circulation, are simulated to investigate the influence of reactor internals by using the computational fluid dynamics （CFD）-population balance equations （PBE） coupled model. Numerical results reveal that introducing a downcomer tube and a draft tube can help to improve the mass and heat transfer of the reactor through enhanced liquid circulation, increased gas holdup and reduced bubble diameter. The hydrodynamic behavior in the internal loop reactor with external liquid circulation can be managed effectively by adjusting the diameter and axial position of the draft tube.

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期刊信息
  • 《石油科学：英文版》
  • 主管单位:
  • 主办单位:中国石油大学
  • 主编：朱秀芹
  • 地址：北京海淀区学院路20号15号楼
  • 邮编：100083
  • 邮箱：ps0092@163.com
  • 电话：010-82370092 82375872 89734040
  • 国际标准刊号：ISSN：1672-5107
  • 国内统一刊号：ISSN：11-4995/TE
  • 邮发代号:80-379
  • 获奖情况:
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘（网络版）,荷兰文摘与引文数据库,美国剑桥科学文摘,美国科学引文索引（扩展库）,美国石油文摘
  • 被引量:150