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Effect of Bottom Undulations on the Film Thickness in Gravity Driven Flow
Author(s) -
Wierschem A.,
Scholle M.,
Aksel N.
Publication year - 2002
Publication title -
pamm
Language(s) - English
Resource type - Journals
ISSN - 1617-7061
DOI - 10.1002/1617-7061(200203)1:1<302::aid-pamm302>3.0.co;2-z
Subject(s) - inclined plane , materials science , mechanics , horizontal plane , perturbation (astronomy) , plane (geometry) , flow (mathematics) , vertical plane , geometry , geology , optics , physics , geodesy , mathematics , engineering , mechanical engineering , quantum mechanics
We study the flow of a liquid down an inclined plane with sinusoidal bottom profile and show how long wavy bottom variations modify the film thickness with respect to that down a flat inclined plane. The experimental results on the film thickness are compared to different perturbation analyses.