Liquid Backmixing and Circulation in Rectangular Downcomer

机译：矩形降液管中的液体回混和循环

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Liquid backmixing in rectangular downcomer of φ 1900mm plate column was investigated by fibre-optic tracer technique. Experimental results showed that significant backmixing existed in downcomer and circulation existed in the middle of it. Circulation was characterized by the second parallel flow. Relative time square deviation in downcomerrnvaried from 0.3 to 0.6. Axial eddy diffusivity varied from 0.00077 to 0.0014.m~2/s.

机译：利用光纤示踪技术研究了φ1900mm板柱矩形下降管中的液体回混。实验结果表明，降液管中存在明显的返混，而在降液管中部则存在循环。循环的特征是第二次平行流动。下降时间的相对时间平方偏差从0.3到0.6。轴向涡流扩散率为0.00077至0.0014.m〜2 / s。

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来源
《'95 China-Korea conference on separation science and technology》|1995年|155-159|共5页
会议地点 Tianjin(CN);Tianjin(CN)
作者
Yu Xiaomei;
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作者单位

Department of Chemical Engineering Zhejiang University of Technology Hangzhou, 310014, China;

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会议组织
原文格式 PDF
正文语种 eng
中图分类分离过程;
关键词
rectangular downcomer; backmixing; circulation; square deviation;

机译：矩形降液管回混循环;平方偏差;

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专利

1. LIQUID BACKMIXING AND CIRCULATION IN RECTANGULAR DOWNCOMER [J] . Yu Xiaomei, Tian Jun Chinese Journal of Chemical Engineering . 1997,第4期

机译：矩形降液管中的液体回流混合和循环
2. LIQUID BACKMIXING AND CIRCULATION IN RECTANGULAR DOWNCOMER [J] . 俞晓梅, 田军中国化学工程学报：英文版 . 1997,第004期

机译：矩形落水器中的液体后混和循环
3. Liquid backmixing in an inclined rotating tubular fixed bed reactor - Augmenting liquid residence time via flow regime adjustment (vol 156, pg 2, 2015) [J] . Haerting Hans-Ulrich, Berger Ronny, Lange Ruediger, Chemical Engineering and Processing . 2020,第1期

机译：液体背混在倾斜旋转管状固定床反应堆中 - 通过流动制度调整增强液体停留时间（Vol 156，PG 2，2015）
4. Liquid Backmixing and Circulation in Rectangular Downcomer [C] . China-Korea conference on separation science and technology . 1995

机译：矩形落水器中的液体后混和循环
5. Micromolding in capillaries: A study of wetting and spreading of liquids in rectangular capillaries and applications to materials science. [D] . Kim, Enoch. 1996

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6. An Ultrashort Wavelength Multi/Demultiplexer via Rectangular Liquid-Infiltrated Dual-Core Polymer Optical Fiber [O] . Qiang Xu, Kang Li, Nigel Copner, 2019

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7. Evaluation on Driving Force of Natural Circulation in Downcomer for Passive Residual Heat Removal System in JAERI Passive Safety Reactor JPSR [O] . Katsuhiko KUNII, Takamichi IWAMURA, Yoshio MURAO 1997

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8. Thermal Mixing in a Rectangular Geometry Model of a Cold Leg with High-Pressure Injection and a Downcomer (PWR) [R] . Hashemi, A., Goodman, J. 1983

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Liquid Backmixing and Circulation in Rectangular Downcomer

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