Online rheological measurement of dilute liquid-solid two-phase flow with ultrasound Doppler technique

被引：2

作者：

Zhang, Hanrui ^{[1
]}

Dong, Feng ^{[1
]}

Murai, Yuichi ^{[2
]}

Tan, Chao ^{[1
]}

机构：

[1] Tianjin Univ, Sch Elect & Informat Engn, Tianjin Key Lab Proc Measurement & Control, Tianjin 300072, Peoples R China

[2] Hokkaido Univ, Fac Engn, Lab Flow Control, N13W8, Sapporo, Hokkaido 0608628, Japan

来源：

FLOW MEASUREMENT AND INSTRUMENTATION | 2023年 / 90卷

基金：

中国国家自然科学基金;

关键词：

Liquid -solid two-phase flow; Flow parameter; Rheological characteristic; Ultrasound Doppler technique; Measurement model; SPINNING RHEOMETRY; YIELD-STRESS; PIPE-FLOW; PROFILE; MODEL;

D O I：

10.1016/j.flowmeasinst.2023.102326

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

An online and non-invasive ultrasound Doppler based rheometric method is proposed to measure the flow parameters in a dilute liquid-solid two-phase flow and analyze its rheological behaviours. The flow rate is obtained by integrating the ultrasound Doppler velocity profiles through annuluses formed across the cross-sectional area of the pipe while the pressure drop is calculated by choosing suitable models that captures the working conditions of quasi-homogeneous and heterogeneous dilute liquid-solid flows. Wall shear rate and wall shear stress are obtained from the above measurements with the rheological measurement models established. An experimental platform is built to form polystyrene-water and sand-water liquid-solid two-phase fluids for tests. The proposed method has mean absolute errors of 2.53% and 3.49% in flow rate measurement and 3.67% and 5.87% in pressure measurement for polystyrene-water and sand-water fluids, respectively. The experimental results have shown that the rheological characteristics of both fluids fit well with the power law fluid model.

引用

页数：10

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