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

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

    Research output: Contribution to journalArticlepeer-review

    17 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 languageEnglish
    Pages (from-to)137-141
    Number of pages5
    JournalKorea Australia Rheology Journal
    Volume24
    Issue number2
    DOIs
    Publication statusPublished - 2012 Jul

    Keywords

    • Carreau-type liquid
    • Operability coating window
    • Slot coating
    • Viscocapillary model

    ASJC Scopus subject areas

    • General Materials Science
    • Condensed Matter Physics

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