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Nowak, Andrzej; Sou Kimura; Sławomir Pietrowicz; Naoki Ono, 2026, "Marangoni effect caused by volatile liquid impingement - PIV and Liquid Film Thickness data", https://doi.org/10.18150/YPW2NS, RepOD, V1
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The aim of these measurements was to characterize the Marangoni effect induced by an isopropyl alcohol (IPA) vapour jet directed onto the free surface of a flowing water layer. Based on stereo-micro-PIV (Particle Image Velocimetry) and confocal chromatic sensor measurements, we probe the velocity fields and liquid film thickness under varying gas flow conditions. These measurements show that the injection of IPA vapour triggers localized Marangoni convection, resulting in velocity peaks near the liquid surface (up to 30 mm/s) and specific surface disturbances. Moreover, the data demonstrates the flow field and film thickness response to varying gas flow rates (450–700 mL/min, for both IPA and nitrogen control) under a constant volumetric water flow of 35 mL/s.
The data is provided in a ZIP archive containing two main subfolders: PIV and Liquid film. All data files are in .csv format.
Folder: Liquid film
This folder contains the file "LqFT.csv", which includes time-series data of the liquid film thickness measured by the confocal chromatic sensor.
Folder: PIV
This folder contains 7 files with time-averaged velocity fields obtained from the stereo-micro-PIV measurements. The files are named according to the gas type and flow rate [mL/min]:
Each file contains row-by-row point data organized into columns. The data includes spatial coordinates in micrometers (X, Y, Z) and the corresponding time-averaged velocity components in micrometers per millisecond (u, v, w).
fluid dynamics, interfacial flows, surface tension, convection
Andrzej Ireneusz Nowak, Sou Kimura, Sławomir Pietrowicz, Naoki Ono, 2026, Marangoni effect caused by volatile liquid impingement onto a free-surface of a streaming liquid film - Experimental study, International Journal of Heat and Mass Transfer, 256, Part 2, 128017, 1-12 https://doi.org/10.1016/j.ijheatmasstransfer.2025.128017 doi: 10.1016/j.ijheatmasstransfer.2025.128017
CC BY - Creative Commons Attribution 4.0
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