2018
DOI: 10.1016/j.ijthermalsci.2017.11.010
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Flow bifurcation routes to chaos of thermocapillary convection for low Prandtl number fluid in shallow annular pool with surface heat dissipation

Abstract: In order to understand clearly the transition characteristics of thermocapillary convection of low Prandtl number fluid in shallow annular pool with surface heat dissipation, some bifurcation routes to chaos of thermocapillary convection have been numerically investigated by using the finite volume method in this paper. The annular pool was filled with the low Prandtl (Pr) number fluid of Pr = 0.011. The range of Biot number is from 0 to 1. Results indicate that the flow bifurcation route of thermocapillary co… Show more

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Cited by 18 publications
(9 citation statements)
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“…With the increase of Biot number, the free surface temperature near the inner wall drops, the radial temperature gradient decreases gradually and the thermocapillary effect weakens. However, near the outer wall, the radial temperature gradient and the thermocapillary force increase, and thus the thermocapillary convection cell moves outward slightly, which is different from the results in a shallow annular pool [36,37]. Meanwhile, the flow intensity strengthens continuously, and the dimensionless flow function increases.…”
Section: Resultsmentioning
confidence: 70%
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“…With the increase of Biot number, the free surface temperature near the inner wall drops, the radial temperature gradient decreases gradually and the thermocapillary effect weakens. However, near the outer wall, the radial temperature gradient and the thermocapillary force increase, and thus the thermocapillary convection cell moves outward slightly, which is different from the results in a shallow annular pool [36,37]. Meanwhile, the flow intensity strengthens continuously, and the dimensionless flow function increases.…”
Section: Resultsmentioning
confidence: 70%
“…When both the numerical accuracy and the computational expense are taken into account, the grid of 52 R Â 52 Z Â 180 h is chosen for all cases. On the other hand, the code version for 3D numerical simulation of thermocapillary convection has been verified in the previous papers [12,[16][17][18][36][37][38].…”
Section: Calculation Conditions and Numerical Methodsmentioning
confidence: 62%
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