2019
DOI: 10.1016/j.ijheatmasstransfer.2019.02.077
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Three-dimensional liquid-vapor interface reconstruction from high-speed stereo images during pool boiling

Abstract: A technique for reconstruction of liquid-gas interfaces based on high-speed stereo-imaging is applied to the liquid-vapor interfaces formed above a heated surface during pool boiling. Template matching is used for determining the correspondence of local features of the liquid-vapor interfaces between the two camera views. A sampling grid is overlaid on the reference image, and windows centered at each sampled pixel are compared with windows centered along the epipolar line in the target image to obtain a corre… Show more

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Cited by 9 publications
(2 citation statements)
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“…It can be adapted to a variety of lighting environments; does not require too much human manipulation in use; can be employed for automatic, online, non-contact detection; has the advantages of adaptability, speed, high accuracy, low cost, etc. [6,[23][24][25][26]; and can be successfully implemented for universal reconstruction projects.…”
Section: Introductionmentioning
confidence: 99%
“…It can be adapted to a variety of lighting environments; does not require too much human manipulation in use; can be employed for automatic, online, non-contact detection; has the advantages of adaptability, speed, high accuracy, low cost, etc. [6,[23][24][25][26]; and can be successfully implemented for universal reconstruction projects.…”
Section: Introductionmentioning
confidence: 99%
“…A first step to overcome the aforementioned limitations was made by the introduction of the planar particle image velocimetry (PIV) in experimental studies focused on the liquid phase, this optical measurement technique being able to provide measurements of two or three components of the flow velocity field over a planar section and without disturbing the flow [6][7][8]. Despite the recent advances in the application of PIV techniques for the simultaneous and separated analysis of two-phase air-water flow by means of phase discrimination algorithms [9][10][11], a robust statistical analysis of fluid kinematics is only possible for low void fraction or noentrainment regimes, because of the reduced visibility of the seeding particles as the void fraction increases. More specifically, in these conditions the seeding particles are occluded by the air bubbles moving between the investigated section and the optics of the PIV system [12].…”
Section: Introductionmentioning
confidence: 99%