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

Hyun Jung Koh; Ilyoung Kwon; Hyun Wook Jung; Jae Chun Hyun

doi:10.1007/s13367-012-0016-z

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

Hyun Jung Koh, Ilyoung Kwon, Hyun Wook Jung, Jae Chun Hyun

Department of Chemical and Biological Engineering

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

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 zeroshear 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.

Original language	English
Pages (from-to)	137-141
Number of pages	5
Journal	Korea Australia Rheology Journal
Volume	24
Issue number	2
DOIs	https://doi.org/10.1007/s13367-012-0016-z
Publication status	Published - 2012 Jul

Keywords

Carreau-type liquid
Operability coating window
Slot coating
Viscocapillary model

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics

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10.1007/s13367-012-0016-z

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abstract = "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 zeroshear 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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AU - Koh, Hyun Jung

AU - Kwon, Ilyoung

AU - Jung, Hyun Wook

AU - Hyun, Jae Chun

PY - 2012/7

Y1 - 2012/7

N2 - 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 zeroshear 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.

AB - 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 zeroshear 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.

KW - Carreau-type liquid

KW - Operability coating window

KW - Slot coating

KW - Viscocapillary model

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

Abstract

Keywords

ASJC Scopus subject areas

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