倾斜管道中的单个毛细管在气泡运动过程中形成链簇

IF 0.5 4区工程技术 Q4 MECHANICS Journal of Applied Mechanics and Technical Physics Pub Date : 2024-08-21 DOI:10.1134/S0021894424010127

A. E. Gorelikova, O. N. Kashinsky, A. V. Chinak

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引用次数: 0

摘要

摘要在通过毛细管的不同气体流速下（3.0-5.5 ml/min），测定了截面为圆形的倾斜通道中固定液体中气泡的大小和上升速度。气泡的大小和速度通过阴影摄影进行了研究。结果表明，在通道倾角 40-60° 的范围内，可以形成稳定的气泡结构--由相同大小（1.5-1.8 毫米）的气泡组成的气泡簇。在没有形成链状气泡簇的情况下，由于气泡的凝聚，气泡的平均直径会增大（2.0-2.2 毫米）。

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FORMATION OF CHAIN CLUSTERS DURING BUBBLE MOTION FROM A SINGLE CAPILLARY IN AN INCLINED PIPE

The sizes and rise velocity of bubbles in a stationary liquid in an inclined channel with a circular cross-section at different gas flow rates through a capillary were determined (3.0–5.5 ml/min). The size and velocity of gas bubbles were studied by shadow photography. It is shown that in the range of channel inclination angles 40–60°, the formation of stable bubble structures—clusters consisting of bubbles of the same size (1.5–1.8 mm) — is possible. In regimes without the formation of chain clusters, the average diameter of gas bubbles increased (2.0–2.2 mm) due to their coalescence.

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来源期刊

Journal of Applied Mechanics and Technical Physics 物理-力学

CiteScore

1.20

自引率

16.70%

发文量

审稿时长

4-8 weeks

期刊介绍： Journal of Applied Mechanics and Technical Physics is a journal published in collaboration with the Siberian Branch of the Russian Academy of Sciences. The Journal presents papers on fluid mechanics and applied physics. Each issue contains valuable contributions on hypersonic flows; boundary layer theory; turbulence and hydrodynamic stability; free boundary flows; plasma physics; shock waves; explosives and detonation processes; combustion theory; multiphase flows; heat and mass transfer; composite materials and thermal properties of new materials, plasticity, creep, and failure.