Journal
CHEMICAL ENGINEERING SCIENCE
Volume 63, Issue 7, Pages 1882-1889Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ces.2007.12.015
Keywords
fluid mechanics; porous media; filtration; modelling; papermaking
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We consider flow of a viscous Newtonian fluid in a curved channel with moving porous walls; the upper wall is flexible and its position in unknown a priori. This work is motivated from a papermaking application namely roll forming. We solve the leading order terms in equations of motion using perturbation methods and present analytical expressions for the variation in channel size, pressure, and viscous shear. The stability of the solution is also examined and we report the conditions for marginal stability (C) 2008 Elsevier Ltd. All rights reserved.
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