Experimental characterization of vertical downward two-phase annular flows using Wire-Mesh Sensor

Vieira, Ronald E.; Parsi, Mazdak; McLaury, Brenton S.; Shirazi, Siamack A.; Torres, Carlos F.; Schleicher, Eckhard; Hampel, Uwe

doi:10.1016/j.ces.2015.05.013

Cited by 20 publications

(5 citation statements)

References 36 publications

(46 reference statements)

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“…Flow void fractions are collected by utilizing the Wire Mesh Sensor (WMS) while the values of pressure gradient are obtained by the Differential Pressure Transducer (PDT). The mentioned correlations above are used successfully to estimate the flow patterns by the researchers in [1], [10], [13], [15], and [28]. A comparison is performed between the result estimated by the WMS and PDT to assess the validation of using the PDT for identification flow patterns.…”

Section: Result Analysis and Discussionmentioning

confidence: 99%

“…Wire Mesh Sensors (WMSs) and Differential Pressure Transducers (DPTs) were used in the current paper to identify the void fractions and the differential pressure drops of two-phase flow are improved as reliable sensors through numerous published papers such as [11], [12], [13], [14], [15]. While the Wire Mesh Sensor (WMS) is based on the analysis of void fractions to observe the phase distribution with a high resolution, the Differential Pressure Transducers (DPT) recorded the simultaneous pressure drops of two-phase flow in a specified distance along a pipe.…”

Section: Related Workmentioning

confidence: 99%

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Investigation in Gas-Oil Two-Phase Flow using a Differential Pressure Transducer and Wire Mesh Sensor in Vertical Pipes

Musa

Mahmood

Simo

et al. 2022

EMITTER Int'l J. of Engin. Technol.

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The current study is performed to identify the flow regimes of oil-gas two-phase flow experimentally in a vertical pipe has an internal diameter of 6.7 cm. It also aims to provide more details about the possibility of using Differential Pressure Transducers (DPT) for indicating flow patterns. A flow development of oil and gas has been investigated in a vertical pipe of 6 m in length and operated at atmospheric pressure. A series of experiments have been run to cover a range of inlet oil superficial velocities from 0.262 to 0.419 m/s, and inlet gas superficial velocities from 0.05 to 4.7 m/s. Wire Mesh Sensors (WMS) have been used to collect the obtained void fraction values of the flow. The Differential Pressure Transducer (DPT) is utilized to measure the pressure drop values of a one-meter along the pipe. The flow patterns are classified according to the analysis of void fractions, pressure gradients regarding time series, tomographic images, probability density functions of the void fractions, and pressure gradients. A bubbly flow is observed at low superficial velocities of gas and liquid, slug flow is observed at the lower flow rate of liquid and moderate flow rates of gas, while the churn flow pattern is recognized at the higher rates of liquid and gas. Also, the result has revealed the possibility of using Differential Pressure Transducers (DPT) to classify the gas-oil flow patterns in vertical pipes.

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Section: Result Analysis and Discussionmentioning

confidence: 99%

Section: Related Workmentioning

confidence: 99%

Investigation in Gas-Oil Two-Phase Flow using a Differential Pressure Transducer and Wire Mesh Sensor in Vertical Pipes

Musa

Mahmood

Simo

et al. 2022

EMITTER Int'l J. of Engin. Technol.

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show abstract

“…Godbole et al [191] conducted a comprehensive literature review of the void fraction correlations and experimental results in the early years of upward two-phase flow. Most area-averaged void fraction had an increasing trend along the axial direction and decreased after a maximum value of around 80-100 diameters downstream [144,145,148]. However, the decrease in void fraction in the vertical downward annular flow was also observed in some conditions which was a result of the kinematic shock phenomenon.…”

Section: The Void Fraction Of Annular Two-phase Flowmentioning

confidence: 91%

“…Using the wire-mesh sensor technology, they collected different flow properties, including the gas volume fraction, bubble size, and gas velocity. Vieira et al [144,145] used a dual WMS with a sampling frequency of 10 kHz to detect the local instantaneous crosssection distribution of the gas core in a vertical pipe. The dual sensor enables simultaneous measurements of the local void fraction at two positions along the flow direction and the flow velocity can be captured from the correlation of the two signals.…”

Section: Wire-mesh Sensor (Wms)mentioning

confidence: 99%

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Two-Phase Annular Flow in Vertical Pipes: A Critical Review of Current Research Techniques and Progress

Xue¹,

Stewart

Kelly

et al. 2022

Water

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Two-phase annular flow in vertical pipes is one of the most common and important flow regimes in fluid mechanics, particularly in the field of building drainage systems where discharges to the vertical pipe are random and the flow is unsteady. With the development of experimental techniques and analytical methods, the understanding of the fundamental mechanism of the annular two-phase flow has been significantly advanced, such as liquid film development, evolution of the disturbance wave, and droplet entrainment mechanism. Despite the hundreds of papers published so far, the mechanism of annular flow remains incompletely understood. Therefore, this paper summarizes the research on two-phase annular flow in vertical pipes mainly in the last two decades. The review is mainly divided into two parts, i.e., the investigation methodologies and the advancement of knowledge. Different experimental techniques and numerical simulations are compared to highlight their advantages and challenges. Advanced underpinning physics of the mechanism is summarized in several groups including the wavy liquid film, droplet behaviour, entrainment and void fraction. Challenges and recommendations are summarized based on the literature cited in this review.

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Prospect of open-cell solid foams for floating-platform multiphase reactor applications – Maldistribution susceptibility and hydrodynamic behavior

Dashliborun

Füssel

Larachi

2018

Chemical Engineering Journal

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Experimental characterization of vertical downward two-phase annular flows using Wire-Mesh Sensor

Cited by 20 publications

References 36 publications

Investigation in Gas-Oil Two-Phase Flow using a Differential Pressure Transducer and Wire Mesh Sensor in Vertical Pipes

Investigation in Gas-Oil Two-Phase Flow using a Differential Pressure Transducer and Wire Mesh Sensor in Vertical Pipes

Two-Phase Annular Flow in Vertical Pipes: A Critical Review of Current Research Techniques and Progress

Prospect of open-cell solid foams for floating-platform multiphase reactor applications – Maldistribution susceptibility and hydrodynamic behavior

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