1990
DOI: 10.1016/0021-9991(90)90008-o
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The motion of Taylor bubbles in vertical tubes. I. A numerical simulation for the shape and rise velocity of Taylor bubbles in stagnant and flowing liquid

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Cited by 79 publications
(43 citation statements)
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“…For example, for U L 6X2 cm/s, negative velocities are detected at 1 mm in front of the bubble. The same trend was found by Nakoryakov et al (1989) and Mao and Dukler (1989) who studied slug¯ow at high velocities of liquid and gas. They observed the onset of the reverse¯ow at a short distance down from the bubble tip, the reverse point is moving down as the mixture velocity increases.…”
Section: Flow ®Eld In Front Of a Rising Bubblesupporting
confidence: 84%
See 1 more Smart Citation
“…For example, for U L 6X2 cm/s, negative velocities are detected at 1 mm in front of the bubble. The same trend was found by Nakoryakov et al (1989) and Mao and Dukler (1989) who studied slug¯ow at high velocities of liquid and gas. They observed the onset of the reverse¯ow at a short distance down from the bubble tip, the reverse point is moving down as the mixture velocity increases.…”
Section: Flow ®Eld In Front Of a Rising Bubblesupporting
confidence: 84%
“…Radial and axial velocity pro®les were obtained. Mao and Dukler (1989) measured the distribution of the wall shear stress in vertical slug¯ow. They demonstrated a double change in the¯ow direction in a slug unit: close to the bubble nose where the ®lm formation begins; and in the beginning of the liquid slug where the mixing zone ends.…”
Section: International Journal Of Multiphase Flow 25 (1999) 957±975mentioning
confidence: 99%
“…The rise of a single bubble in stagnant and moving liquid in a vertical pipe has been studied by numerous researchers, both theoretically (Dumitrescu, 1943;Davies and Taylor, 1949;Goldsmith and Mason, 1962;Collins et al, 1978;Mao and Dukler, 1990) and experimentally (White and Beardmore, 1962;Zukoski, 1966;Mao and Dukler, 1991). However, most of the data are related to the¯ow around the nose of the bubble.…”
Section: Introductionmentioning
confidence: 99%
“…There have been several papers performing numerical simulations of the slug flow in a vertical pipe. Mao and Dukler [18,19] developed a method for determining the shape and rise velocity of a single Taylor bubble rising in stagnant or flowing liquid. Bugg et al [20] extended the numerical model of Mao and Dukler [18,19] to simulate a single Taylor bubble rising in stagnant liquid over a large range of conditions.…”
Section: Introductionmentioning
confidence: 99%