Operability window of slot coating using viscocapillary model for Carreau-type coating liquids

Based on the simplified viscocapillary models for Newtonian and power-law coating liquids reported in Lee et al. (2011a), the one-dimensional (1-D) viscocapillary model for Carreau-type liquids containing zero-shear viscosity information has been developed for constructing the operability window in...

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Published in:Korea-Australia rheology journal 2012, Vol.24 (2), p.137-141
Main Authors: Koh, Hyun-Jung, Kwon, Il-Young, Jung, Hyun-Wook, Hyun, Jae-Chun
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Kwon, Il-Young
Jung, Hyun-Wook
Hyun, Jae-Chun
description Based on the simplified viscocapillary models for Newtonian and power-law coating liquids reported in Lee et al. (2011a), the one-dimensional (1-D) viscocapillary model for Carreau-type liquids containing zero-shear viscosity information has been developed for constructing the operability window in slot coating. Velocity distribution and position of upstream meniscus were numerically solved to determine onsets of leaking and bead break-up defects. The results obtained by 1-D model are quantitatively corroborated by two-dimensional (2-D) fluent calculations.
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title Operability window of slot coating using viscocapillary model for Carreau-type coating liquids
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