Authors: Grünendahl, Sabrina
Brandner, Dean Martin
Erhard, Peter
Title: Experimental investigations on rising bubbles in vertical capillaries
Language (ISO): en
Abstract: We investigate how the walls of cylindrical capillaries affect the velocity of rising gas bubbles of various diameters. Of course, as the capillary diameter increases, the velocity of the rising bubble will approach the case of free rising. Such systematic experiments on bubble rise in capillaries, in which the ratio of bubble diameter and capillary diameter is varied from one towards smaller values, can hardly be found in literature. First orienting experiments within the system water/air have been conducted and will be discussed in this paper.
Issue Date: 2021-01-25
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Appears in Collections:Arbeitsgruppe Strömungsmechanik

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