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基于CCERT与声发射技术的气液固三相流相含率测量

张凯 胡东芳 王保良 冀海峰 黄志尧 李海青

张凯, 胡东芳, 王保良, 等 . 基于CCERT与声发射技术的气液固三相流相含率测量[J]. 北京航空航天大学学报, 2017, 43(11): 2352-2358. doi: 10.13700/j.bh.1001-5965.2017.0065
引用本文: 张凯, 胡东芳, 王保良, 等 . 基于CCERT与声发射技术的气液固三相流相含率测量[J]. 北京航空航天大学学报, 2017, 43(11): 2352-2358. doi: 10.13700/j.bh.1001-5965.2017.0065
ZHANG Kai, HU Dongfang, WANG Baoliang, et al. Measurement of phase holdup in gas-liquid-solid three-phase flow based on CCERT and acoustic emission[J]. Journal of Beijing University of Aeronautics and Astronautics, 2017, 43(11): 2352-2358. doi: 10.13700/j.bh.1001-5965.2017.0065(in Chinese)
Citation: ZHANG Kai, HU Dongfang, WANG Baoliang, et al. Measurement of phase holdup in gas-liquid-solid three-phase flow based on CCERT and acoustic emission[J]. Journal of Beijing University of Aeronautics and Astronautics, 2017, 43(11): 2352-2358. doi: 10.13700/j.bh.1001-5965.2017.0065(in Chinese)

基于CCERT与声发射技术的气液固三相流相含率测量

doi: 10.13700/j.bh.1001-5965.2017.0065
基金项目: 

国家自然科学基金 61371161

详细信息
    作者简介:

    张凯  男, 硕士研究生。主要研究方向:检测技术与自动化装置

    王保良  男, 博士, 教授, 博士生导师。主要研究方向:过程参数检测、运动控制

    通讯作者:

    王保良, E-mail: blwang@iipc.zju.edu.cn

  • 中图分类号: TP212

Measurement of phase holdup in gas-liquid-solid three-phase flow based on CCERT and acoustic emission

Funds: 

National Natural Science Foundation of China 61371161

More Information
  • 摘要:

    传统的相含率测量方法在测量三相流相含率时只能对某单一相进行检测,针对此问题,基于电容耦合电阻层析成像(CCERT)技术与声发射技术,建立了相含率测量模型,提出了一种三相流各相相含率的非侵入式测量方法。利用偏最小二乘回归法,在静态情况下建立CCERT技术的相含率测量模型,同时在鼓泡床上进行动态实验,采用差压法进行同步测量作为参考值验证模型的有效性,实现了对两相相含率的非接触测量。在此基础上,通过对声发射技术采集到的声音信号进行处理,建立声发射技术的气相相含率预测模型,利用该模型测量出三相体系中的气相相含率,结合CCERT技术测量出三相体系中的不导电相相含率,从而利用非侵入式测量方法得到三相流中的各相相含率。

     

  • 图 1  C4D传感器示意图

    Figure 1.  Schematic of C4D sensor

    图 2  C4D传感器的等效电路

    Figure 2.  Equivalent circuit of C4D sensor

    图 3  CCERT传感器示意图

    Figure 3.  Schematic of CCERT sensor

    图 4  CCERT整体结构

    Figure 4.  Integral structure of CCERT

    图 5  PLSR的气相相含率预测模型

    Figure 5.  Gas phase holdup prediction model of PLSR

    图 6  差压法测量示意图

    Figure 6.  Schematic of differential pressure method measurement

    图 7  CCERT与差压法相含率测量值对比

    Figure 7.  Comparison of phase holdup measurement values between CCERT and differential pressure method

    图 8  声发射技术的气相相含率预测模型

    Figure 8.  Gas phase holdup prediction model of acoustic emission

    图 9  三相流各相相含率测量结果

    Figure 9.  Measurement results of phase holdup in three-phase flow

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出版历程
  • 收稿日期:  2017-02-15
  • 录用日期:  2017-08-23
  • 刊出日期:  2017-11-20

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