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http://hdl.handle.net/2183/37163 Experimental Characterization of the Jet Wiping Process
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Méndez, Miguel Alfonso
Enache, Adriana
Anne, Gosset
Buchlin, Jean-Marie
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Mendez, M. A., Enache, A., Gosset, A., & Buchlin, J.-M. (2018). Experimental Characterization of the Jet Wiping Process. EPJ Web of Conferences, 180. https://doi.org/10.1051/EPJCONF/201818002064
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Abstract
[Abstract]: This paper presents an experimental characterization of the jet wiping process, used in continuous coating applications to control the thickness of a liquid coat using an impinging gas jet. Time Resolved Particle Image Velocimetry (TR-PIV) is used to characterize the impinging gas flow, while an automatic interface detection algorithm is developed to track the liquid interface at the impact. The study of the flow interaction is combined with time resolved 3D thickness measurements of the liquid film remaining after the wiping, via Time Resolved Light Absorption (TR-LAbs). The simultaneous frequency analysis of liquid and gas flows allows to correlate their respective instability, provide an experimental data set for the validation of numerical studies and allows for formulating a working hypothesis on the origin of the coat non-uniformity encountered in many jet wiping processes.
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Creative Commons Attribution License 4.0
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Except where otherwise noted, this item's license is described as Creative Commons Attribution License 4.0 https://creativecommons.org/licenses/by/4.0/