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http://dx.doi.org/10.5407/jksv.2019.17.3.039

Sloshing Flow of Highly-Viscous Fluid in a Rectangular Box  

park, Jun Sang (School of Mechanical & Automotive Engineering, Halla University)
Publication Information
Journal of the Korean Society of Visualization / v.17, no.3, 2019 , pp. 39-45 More about this Journal
Abstract
A study on the sloshing flow of highly-viscous fluid in a rectangular box was made by both of theoretical approach and experimental visualization method. Assuming a smallness of external forcing to oscillate the container, it was investigated a linear sloshing flow of highly-viscous fluid utilizing asymptotic analysis by Taylor-series expansion as a small parameter Re (≪1) in which Re denotes Reynolds number. The theory predict that, during all cycles of sloshing, a linear shape of free surface will prevail in a bulk zone and it has confirmed in experiment. The relevance of perfect slip boundary condition, adopted in theoretical approach, to the bulk zone flow at the container wall was tested in experiment. It is found that quasi-steady coated thin film, which makes a lubricant layer between bulk flow and solid wall, is generated on the wall and the film makes a role to perfect slip boundary condition.
Keywords
Dip Coating Flow; Free Surface; Slip Condition; Sloshing Flow; Natural Oscillation;
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