多孔错流喷射混合器内液体射流轨迹线

骆培成; 吴俊; 辛传贤; 贾海燕

doi:10.3969/j.issn.0438-1157.2014.07.034

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多孔错流喷射混合器内液体射流轨迹线

流体力学与传递现象 | 更新时间：2025-12-10

- 多孔错流喷射混合器内液体射流轨迹线
- Jet trajectories of liquid mixing in multi-orifice-impinging transverse jet mixer
- 化工学报 2014年第7期页码：2733-2740
- 作者机构：
  
  东南大学化学化工学院,江苏,南京,211189
- 作者简介：
- 基金信息：
- DOI：10.3969/j.issn.0438-1157.2014.07.034
  中图分类号： Q028.8
- 网络首发：2014-07-05，
  
  纸质出版：2014-07-05
- 稿件说明：
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骆培成, 吴俊, 辛传贤, 等. 多孔错流喷射混合器内液体射流轨迹线[J]. 化工学报, 2014,(7):2733-2740.

LUO Peicheng, WU Jun, XIN Chuanxian, et al. Jet trajectories of liquid mixing in multi-orifice-impinging transverse jet mixer[J]. CIESC Journal, 2014, (7): 2733-2740.
骆培成, 吴俊, 辛传贤, 等. 多孔错流喷射混合器内液体射流轨迹线[J]. 化工学报, 2014,(7):2733-2740. DOI： 10.3969/j.issn.0438-1157.2014.07.034.

LUO Peicheng, WU Jun, XIN Chuanxian, et al. Jet trajectories of liquid mixing in multi-orifice-impinging transverse jet mixer[J]. CIESC Journal, 2014, (7): 2733-2740. DOI： 10.3969/j.issn.0438-1157.2014.07.034.

摘要

利用平面激光诱导荧光测试技术对多孔错流喷射混合器内液体混合过程进行了研究，考察了操作条件（射流速度比r、混合流股Reynolds数ReM）和混合器的结构参数（射流小孔直径d、孔径管径比d/D、射流小孔个数n）对射流轨迹线的影响。结果表明，混合流股Reynolds数对射流轨迹线影响较小，射流速度比和混合器的结构参数是影响射流轨迹线的主要因素。建立了射流轨迹线的数学模型，并利用实验结果回归了模型参数。模型预测的液体混合过程射流轨迹线与实验结果基本吻合。

Abstract

Liquid mixing process in a multi-orifice-impinging transverse (MOIT) jet mixer was studied by using planar laser induced fluorescence (PLIF) technique quantitatively. The effects of operation conditions (jet-to-pipe velocity ratio

and Reynolds number of the mixing fluids

ReM) and configuration parameters (orifice diameter

orifice-to-pipe diameter ratio

d/D

and number of the orifices embedded symmetrically on the wall of the pipe

n) on the macro-mixing performance

in particular

in terms of jet trajectories

were investigated. Jet-to-pipe velocity ratio and configuration parameters of the mixer are the main factors affecting the mixing process

whereas ReM had little effect on the jet trajectories. A mathematical model

with x as spanwise coordinate

y as streamwise coordinate

was proposed to predict the jet trajectories of the liquid mixing process in the MOIT jet mixer. The predicted jet trajectories agreed well with those from PLIF experiments.

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