Gas-liquid flow rates measurement based on dual differential pressures of a power-driven swirler

IF 5.2 2区工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY

Measurement Pub Date : 2024-11-20 DOI:10.1016/j.measurement.2024.116276

Haocun Wang, Qiang Xu, Xuemei Zhang, Xiaojun Ma, Lulu Li, Liejin Guo

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引用次数: 0

Abstract

In recent years, swirlers have gained increasing attention in gas–liquid flow rates measurement. A power-driven swirler device is designed suitable for low gas–liquid flow rates conditions. Variation characteristics of swirler differential pressure (

Δ P_{s}

) and radial differential pressure (

Δ P_{r}

) are investigated under three swirler rotational speeds (0, 300, and 600 rpm). An average reduction of 9 % and 15 % can be seen in fluctuations of

Δ P_{s}

and

Δ P_{r}

signals, respectively. Wider measurement range can be achieved by increasing the rotational speed, the minimum liquid superficial velocity decreases from 1.53 m/s to 1.02 m/s and the maximum gas volume fraction increases from 41.8 % to 51.9 %. Then, a new gas–liquid flow rate measurement model is established considering the gas–liquid slip and interfacial interaction. As the rotational speed increases from 0 to 600 rpm, the relative errors of liquid and gas mass flow rates decrease from ± 3.4 % to ± 2.7 % and ± 24 % to ± 10 %, respectively.

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基于动力驱动漩涡器双压差的气液流速测量技术

近年来，漩涡器在气液流量测量中越来越受到关注。动力驱动漩涡装置设计适用于低气液流速条件。研究了三种漩涡转速（0、300 和 600 rpm）下漩涡压差（ΔPs）和径向压差（ΔPr）的变化特征。结果表明，ΔPs 和 ΔPr 信号的波动分别平均降低了 9% 和 15%。通过提高转速可以获得更宽的测量范围，最小液体表面速度从 1.53 m/s 降至 1.02 m/s，最大气体体积分数从 41.8 % 增至 51.9 %。然后，考虑到气液滑移和界面相互作用，建立了新的气液流速测量模型。随着转速从 0 转/分增加到 600 转/分，液体和气体质量流量的相对误差分别从 ± 3.4 % 和 ± 24 % 下降到 ± 2.7 % 和 ± 10 %。

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来源期刊

Measurement 工程技术-工程：综合

CiteScore

10.20

自引率

12.50%

发文量

1589

审稿时长

12.1 months

期刊介绍： Contributions are invited on novel achievements in all fields of measurement and instrumentation science and technology. Authors are encouraged to submit novel material, whose ultimate goal is an advancement in the state of the art of: measurement and metrology fundamentals, sensors, measurement instruments, measurement and estimation techniques, measurement data processing and fusion algorithms, evaluation procedures and methodologies for plants and industrial processes, performance analysis of systems, processes and algorithms, mathematical models for measurement-oriented purposes, distributed measurement systems in a connected world.