Application of image processing techniques in air/water two phase flow

Dinh, Tri Bui; Choi, Tae‐Sun

doi:10.1016/s0093-6413(99)00050-6

Cited by 28 publications

(13 citation statements)

References 5 publications

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“…Two-phase flow occurs in a variety of engineering applications, such as steam generators, boilers, condensers, oil/gas pipelines and water-cooled nuclear power plants. Bui Dinh and Choi presented the application of image processing techniques to identify and to measure the parameters of bubbles in air/water twophase flow [6]. Their method is based on image processing techniques (i.e.…”

Section: Bubble Identification By Means Of Optical Observationmentioning

confidence: 99%

Online monitoring of transit-time ultrasonic flowmeters based on fusion of optical observation

Dadashnialehi

Moshiri

2011

Measurement

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Section: Bubble Identification By Means Of Optical Observationmentioning

confidence: 99%

Online monitoring of transit-time ultrasonic flowmeters based on fusion of optical observation

Dadashnialehi

Moshiri

2011

Measurement

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“…Bubbles were identified with edge detection and cross-correlation techniques using standard MATLAB routines. Bui-Dinh and Choi [18] measured bubble sizes in a bubbly/slug flow inside a 30 mm vertical pipe using images obtained at a frequency of 20 Hz. In a subsequent publication [19] they estimated bubble velocity by manually selecting an individual cap bubble in two successive frames taking into account the movement of the centre of mass between the two frames.…”

Section: Literature Reviewmentioning

confidence: 99%

Experimental study on bubble motion in a rectangular bubble column using high-speed video observations

Zaruba¹,

Krepper²,

Prasser³

et al. 2005

Flow Measurement and Instrumentation

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“…T.Bui Dinh and T.S. Choi investigated the application of digital image processing in two-phase flow [1]. K.J.…”

Section: Introductionmentioning

confidence: 99%

Fuzzy Recognition for Gas-liquid Two-phase Flow Pattern Based on Image Processing

Shi

2007

2007 IEEE International Conference on Control and Automation

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In order to identify the flow pattern automatically and accurately, a new identification method was developed. Flow images were captured by a high speed CCD in a horizontal pipe. The characteristics of bubbles such as area, width and height were obtained using image processing techniques. First, a fuzzy reasoning method was used to identify stratified flow and annular flow. Then a fuzzy neural network was used to identify the flow pattern of bubbly, slug and plug. Levenberg-Marquart optimized algorithm was used to learn the network, and its constringency is rapid. The experimental results show that the fuzzy method can accurately identify the flow patterns in a horizontal pipe.

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Application of image processing techniques in air/water two phase flow

Cited by 28 publications

References 5 publications

Online monitoring of transit-time ultrasonic flowmeters based on fusion of optical observation

Online monitoring of transit-time ultrasonic flowmeters based on fusion of optical observation

Experimental study on bubble motion in a rectangular bubble column using high-speed video observations

Fuzzy Recognition for Gas-liquid Two-phase Flow Pattern Based on Image Processing

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