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双锥流量计气水两相流流量测量实验研究

安雅丽 徐志鹏 刘铁军 谢代梁

安雅丽, 徐志鹏, 刘铁军, 等. 双锥流量计气水两相流流量测量实验研究[J]. 实验流体力学, 2016, 30(5): 67-73. doi: 10.11729/syltlx20160044
引用本文: 安雅丽, 徐志鹏, 刘铁军, 等. 双锥流量计气水两相流流量测量实验研究[J]. 实验流体力学, 2016, 30(5): 67-73. doi: 10.11729/syltlx20160044
An Yali, Xu Zhipeng, Liu Tiejun, et al. Experimental study on flowrate measurement of air-water two phase flow by double-cone flowmeter[J]. Journal of Experiments in Fluid Mechanics, 2016, 30(5): 67-73. doi: 10.11729/syltlx20160044
Citation: An Yali, Xu Zhipeng, Liu Tiejun, et al. Experimental study on flowrate measurement of air-water two phase flow by double-cone flowmeter[J]. Journal of Experiments in Fluid Mechanics, 2016, 30(5): 67-73. doi: 10.11729/syltlx20160044

双锥流量计气水两相流流量测量实验研究

doi: 10.11729/syltlx20160044
详细信息
    作者简介:

    安雅丽(1992-), 女, 甘肃兰州人, 硕士研究生。研究方向:气液、固液两相流。通信地址:浙江省杭州市江干区学源街258号(310018)。E-mail:anyali0103@foxmail.com

    通讯作者:

    谢代梁, E-mail:dlxie@cjlu.edu.cn

  • 中图分类号: TH814;O359+.1

Experimental study on flowrate measurement of air-water two phase flow by double-cone flowmeter

  • 摘要: 设计了等效内径比分别为0.424、0.586的双锥流量计,并采用该流量计在多相流实验装置上开展了气水两相流参数测量实验研究。通过对双锥流量计上的差压波动信号时间序列进行分析,采用其特征值建立气水两相流分相含率测量模型;在分相流模型的基础上,通过分析准气相流量比和Lockhart-Martinelli常数的关系建立气水两相流流量测量模型。在多相流实验装置上进行了气水两相流参数测量系列实验,结果表明在实验范围内,所建立的体积含气率测量模型测量相对误差在5%以内;气液两相流总流量和液相流量测量误差在6%以内。气相流量的测量结果表明,在以空气和水为介质、干度很小的工况下,气相流量的测量相对误差明显大于总流量和液相流量的相对误差。
  • 图  1  双锥流量计结构示意图

    Figure  1.  Scheme of the meter structure

    图  2  双锥流量计节流锥体

    Figure  2.  Throttling cone of double-cone flowmeter

    图  3  多相流实验系统实物图

    Figure  3.  The picture of experimental facility for multi-phase flow

    图  4  气液两相流实验系统结构简图

    Figure  4.  Scheme of the experimental system

    图  5  β=0.424无量纲参数R与气相体积含率μ关系图

    Figure  5.  Relationship of the nondimensional parameter R with the gas volume fraction μ with β=0.424

    图  6  β=0.586无量纲参数R与气相体积含率μ关系图

    Figure  6.  Relationship of the nondimensional parameter R with the gas volume fraction μ with β=0.586

    图  7  Lockhart-Martinelli常数与准气相流量比的关系

    Figure  7.  Relationship between Lockhart-Martinelli constant and gas flowrate ratio

    图  8  β=0.424体积含气率模型测量误差

    Figure  8.  Relative errors of the measured gas volume fraction with β=0.424

    图  9  β=0.586体积含气率模型测量误差

    Figure  9.  Relative errors of the measured gas volume fraction with β=0.586

    图  10  β=0.424总流量测量相对误差

    Figure  10.  Relative errors of total mass flowrate with β=0.424

    图  11  β=0.586总流量测量相对误差

    Figure  11.  Relative errors of total mass flowrate with β=0.586

    图  12  β=0.424液相流量测量相对误差

    Figure  12.  Relative errors of measured liquid mass flowrate with β=0.424

    图  13  β=0.586液相流量测量相对误差

    Figure  13.  Relative errors of measured liquid mass flowrate with β=0.586

    图  14  β=0.424气相流量测量相对误差

    Figure  14.  Relative errors of measured gas mass flowrate with β=0.424

    图  15  β=0.586气相流量测量相对误差

    Figure  15.  Relative errors of measured gas mass flowrate with β=0.586

    表  1  标准表参数

    Table  1.   Parameters of standard meters

    管径/mm流量计类型精度等级
    标准气表50旋进旋涡流量计1.5
    25旋进旋涡流量计1.5
    标准水表50电磁流量计0.2
    10电磁流量计0.2
    下载: 导出CSV

    表  2  待定系数实验分析值

    Table  2.   Values of coefficients determined by experiment

    βηλγξ
    0.58610.3193.7980.6240.981
    0.4243.5113.2370.370.858
    下载: 导出CSV

    表  3  准气相流量比与Lockhart-Martinelli常数关系常数

    Table  3.   Coefficients for the formula of Lockhart-Martinelli constant and gas flowrate ratio

    ab
    β=0.4242.15081.0314
    β=0.5862.0261.0875
    下载: 导出CSV
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出版历程
  • 收稿日期:  2016-03-19
  • 修回日期:  2016-05-12
  • 刊出日期:  2016-10-25

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