Wet air flow rate metering based on a longwavelength sound propagation

IF 2.7 3区工程技术 Q2 ENGINEERING, MECHANICAL

Flow Measurement and Instrumentation Pub Date : 2025-09-20 DOI:10.1016/j.flowmeasinst.2025.103064

Johann E. Castro-Bolivar , Marlon M. Hernandez-Cely , Oscar M.H. Rodriguez

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引用次数: 0

Abstract

Measuring gas flow rate accurately is an ongoing challenge, primarily due to the stringent requirements for low metering uncertainty demanded by regulatory agencies. Gas transport systems, for instance gas flare systems employed in the metallurgical and oil and gas industries, comprise mixed gases, large pipe sizes, and rapid fluctuations in operational conditions, and the presence of dispersed liquid droplets. All those factors can significantly impact the performance of commercial flow meters, including thermal, Pitot tubes, orifice plates and ultrasonic meters. This study introduces a novel technique for measuring flow rates in water–air dispersed flow in ducts. This method relies on harnessing one-dimensional acoustic waves within the duct. The prototype was rigorously tested in a controlled laboratory condition. A signal treatment and analysis methodology was proposed to calculate the transit time of the plane sound waves in wet gas flow, and the results obtained from these experiments demonstrate the effectiveness of the proposed methodology for accurately measuring flow rates across a wide range of water–air flow conditions in a

2^{”}

duct. The results are promising and suggest the scalability of this technology for application in full-scale systems.

Abstract Image

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基于长波声波传播的湿空气流速测量

准确测量气体流速是一个持续的挑战，主要是由于监管机构对低计量不确定度的严格要求。气体输送系统，例如冶金、石油和天然气工业中使用的气体火炬系统，包括混合气体、大管道尺寸、操作条件快速波动和分散液滴的存在。所有这些因素都会显著影响商用流量计的性能，包括热、皮托管、孔板和超声波流量计。介绍了一种测量风管中水-气分散流流量的新方法。这种方法依赖于利用管道内的一维声波。原型机在受控的实验室条件下进行了严格的测试。提出了一种信号处理和分析方法来计算湿气流中平面声波的传递时间，实验结果表明，所提出的方法可以准确测量2英寸管道中各种水-空气流动条件下的流量。结果很有希望，并表明该技术在全尺寸系统中的应用具有可扩展性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Flow Measurement and Instrumentation 工程技术-工程：机械

CiteScore

4.30

自引率

13.60%

发文量

123

审稿时长

6 months

期刊介绍： Flow Measurement and Instrumentation is dedicated to disseminating the latest research results on all aspects of flow measurement, in both closed conduits and open channels. The design of flow measurement systems involves a wide variety of multidisciplinary activities including modelling the flow sensor, the fluid flow and the sensor/fluid interactions through the use of computation techniques; the development of advanced transducer systems and their associated signal processing and the laboratory and field assessment of the overall system under ideal and disturbed conditions. FMI is the essential forum for critical information exchange, and contributions are particularly encouraged in the following areas of interest: Modelling: the application of mathematical and computational modelling to the interaction of fluid dynamics with flowmeters, including flowmeter behaviour, improved flowmeter design and installation problems. Application of CAD/CAE techniques to flowmeter modelling are eligible. Design and development: the detailed design of the flowmeter head and/or signal processing aspects of novel flowmeters. Emphasis is given to papers identifying new sensor configurations, multisensor flow measurement systems, non-intrusive flow metering techniques and the application of microelectronic techniques in smart or intelligent systems. Calibration techniques: including descriptions of new or existing calibration facilities and techniques, calibration data from different flowmeter types, and calibration intercomparison data from different laboratories. Installation effect data: dealing with the effects of non-ideal flow conditions on flowmeters. Papers combining a theoretical understanding of flowmeter behaviour with experimental work are particularly welcome.