Revisiting Taylor bubble motion in an oscillating vertical tube
In this study, we numerically investigate the rise of a Taylor bubble in a vertically oscillating round tube. The results show that increasing the oscillation frequency and amplitude reduces the bubble rise velocity, which is consistent with previously reported experimental findings. Analysis of the...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2025-05-01
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| Series: | Theoretical and Applied Mechanics Letters |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2095034925000133 |
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| Summary: | In this study, we numerically investigate the rise of a Taylor bubble in a vertically oscillating round tube. The results show that increasing the oscillation frequency and amplitude reduces the bubble rise velocity, which is consistent with previously reported experimental findings. Analysis of the flow in the annular film region indicates that the influence of tube wall oscillations is minimal. This suggests that the effect of tube oscillations is essentially equivalent to that of an oscillating piston above the bubble, leading to a similar mechanism for bubble deceleration. Using a theoretical formula from the literature, we demonstrate that at sufficiently high frequencies, the amplitude of the tube velocity oscillations becomes the sole control parameter affecting bubble deceleration. This study enhances our understanding of Taylor bubble behavior in mechanically oscillating environments and provides useful insights into the design of control strategies for Taylor bubble motion in vertical slug flows. |
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| ISSN: | 2095-0349 |