Effect of Air Pressure Difference on the Stability and Sensitivity in Simplified Curtain Drawing Flow
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概要
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Stability and sensitivity in curtain drawing flow have been investigated employing the simplified one-dimensional viscocapillary model. Time-dependent model has been derived using lubrication approximation and integral momentum balance approach of two-dimensional curvilinear Navier-Stokes equations based on Kistler (1983), Jung et al. (2004a), and Youn et al. (2006). Process stability and sensitivity have been scrutinized from linear stability and frequency response methods for linearized curtain system, respectively. Among process conditions affecting curtain dynamics, the effect of air pressure difference across the curtain has been mainly focused here. It has been revealed that the air pressure difference makes the system less stable and more sensitive to any disturbances, leading to curtain deflection and slightly longer trajectory.
著者
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JUNG Hyun
Department of Botanical Resources, Sangji University
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LEE Joo
LG Chem
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Lee Si
Department Of Biology Sungkyunkwan University
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Hyun Jae
Department Of Chemical And Biological Engineering Korea University
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YOUN Suk
LG Chem/Research Park
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