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Transient free‐surface flows: Fluid advancing through a bed of cylinders
Author(s) -
Behrens R. A.,
Crochet M. J.,
Denson C. D.,
Metzner A. B.
Publication year - 1988
Publication title -
aiche journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.958
H-Index - 167
eISSN - 1547-5905
pISSN - 0001-1541
DOI - 10.1002/aic.690341115
Subject(s) - free surface , mechanics , curvature , viscous liquid , surface (topology) , flow (mathematics) , work (physics) , materials science , range (aeronautics) , fluid dynamics , molding (decorative) , transient (computer programming) , geometry , physics , composite material , mathematics , thermodynamics , computer science , operating system
The flow of a viscous liquid into a bed filled with a regular array of cylinders was observed experimentally and simulated numerically. Viscous forces were always dominant, as is expected to be the case in many actual resin transfer molding operations. Excellent agreement on the shape of the free surface was found between experiment and simulation over the full experimental range. The work accordingly validates a very simple algorithm for representing the surface motion of a fluid at its contact line with a solid surface, and extends its use to surfaces with smaller radii of curvature than considered previously. Consequently, this algorithm is expected to be valid for fluid flow into any irregularly shaped empty domain and to be useful in molding operations in inferring the presence of voiding, and of molecular orientations and conformations adjacent to fibers or other solids.