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http://dx.doi.org/10.5407/jksv.2021.19.2.032

Reverse tracking method for concentration distribution of solutes around 2D droplet of solutal Marangoni flow with artificial neural network  

Kim, Junkyu (Department of Mechanical Engineering, KAIST)
Ryu, Junil (Department of Mechanical Engineering, KAIST)
Kim, Hyoungsoo (Department of Mechanical Engineering, KAIST)
Publication Information
Journal of the Korean Society of Visualization / v.19, no.2, 2021 , pp. 32-40 More about this Journal
Abstract
Vapor-driven solutal Marangoni flow is governed by the concentration distribution of solutes on a liquid-gas interface. Typically, the flow structure is investigated by particle image velocimetry (PIV). However, to develop a theoretical model or to explain the working mechanism, the concentration distribution of solutes at the interface should be known. However, it is difficult to achieve the concentration profile theoretically and experimentally. In this paper, to find the concentration distribution of solutes around 2D droplet, the reverse tracking method with an artificial neural network based on PIV data was performed. Using the method, the concentration distribution of solutes around a 2D droplet was estimated for actual flow data from PIV experiment.
Keywords
Artificial Neural Network; Machine Learning; Solutal Marangoni Flow; Inverse Problem; Particle Image Velocimetry;
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