2018
DOI: 10.1017/jfm.2018.156
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Solution selection of axisymmetric Taylor bubbles

Abstract: A finite difference scheme is proposed to solve the problem of axisymmetric Taylor bubbles rising at a constant velocity in a tube. A method to remove singularities from the numerical scheme is presented, allowing accurate computation of the bubbles with the inclusion of both gravity and surface tension. This paper confirms the long-held belief that the solution space of the axisymmetric Taylor bubble for small surface tension is qualitatively similar to that of the plane Taylor bubble. Furthermore, evidence s… Show more

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Cited by 8 publications
(7 citation statements)
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References 26 publications
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“…It follows that one could approximate the case of a surrounding fluid of infinite radius (D ! 1) by taking a suitably large value of D. This is further confirmed by considering the dispersion relation (14) for various values of D, as shown in figure 22. It can be seen that the dispersion relations for D = 8 and D !…”
Section: B > Bsupporting
confidence: 60%
See 2 more Smart Citations
“…It follows that one could approximate the case of a surrounding fluid of infinite radius (D ! 1) by taking a suitably large value of D. This is further confirmed by considering the dispersion relation (14) for various values of D, as shown in figure 22. It can be seen that the dispersion relations for D = 8 and D !…”
Section: B > Bsupporting
confidence: 60%
“…When there is a minimum in the dispersion curve, we see periodic solutions exhibiting higher mode resonance, as described by equation (16). These solutions exist for integer values of n > 1 when c(k) = c(nk), where c is given by (14). Fixing a value of k and n, we can find a value of B such that this equality is satisfied.…”
Section: B > Bmentioning
confidence: 99%
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“…8 Relationship between μ and F for α = 5 (solid curve) and α = 20 (dashed curve) for β = π . The dotted lines are μ = π/2 and μ = π Table 1 A table for the value of μ when α −1 = 0 On the higher order branches of smooth bubbles, the profiles develop oscillations [39]. It is of interest to note that the solution space of axisymmetric Taylor bubbles exhibit much of the same behaviour [39,40].…”
Section: Results For β = πmentioning
confidence: 98%
“…Bubble in a tube. The second physical model is a classical problem of a bubble rising in a semi-finite long cylindrical tube (see references [10] and [14]). More precisely, it describes that an ideal rotational incompressible fluid acted on by gravity falls into a cylindrical nozzle and the free surface starts from some point D on the symmetric axis and goes into the far field, which is shown in Figure 5.…”
Section: Mathematical Setting Of the Physical Problemmentioning
confidence: 99%