Hydrodynamic forces resulting from liquid motion in capillary tubes |
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| Authors: | P.J. Sell E. Maisch J. Siekmann |
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| Affiliation: | 1. Fraunhofer-Institut für Grenzflächen- und Bioverfahrenstechnik, Stuttgart, FRG;7. Universität-GH-Essen, Fachgebiet Mechanik, Essen, FRG |
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| Abstract: | The wetting kinetics of model tubes of different geometrical shape has been investigated theoretically and experimentally under conditions of simulated zero-gravity (earthbound laboratory experiments) and low gravity (sounding rocket experiments within the TEXUS-programme). The present note deals with the hydrodynamic forces (capillary-, friction-, inertia forces, etc.) resulting from capillary rise in cylindrical, conical and sinusoidal tubes. The rôle of these forces is studied numerically in some detail. |
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