A Study of the Taylor-Couette Flow with Finned Surface Rotation

Álvarez, Marta; Vicente, W.; Solorio, F.J.; Mancilla, Ernesto; Salinas, Manuel Flores; Zenit, Roberto

doi:10.29252/jafm.12.05.29583

Cited by 4 publications

(1 citation statement)

References 25 publications

(26 reference statements)

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“…Deng et al [26] investigated the structure of the Taylor vortex within the annular gap using horizontal baffles and observed that the number, position, and width of the baffles affected the vortex structure; however, the study did not include axial flow in the TCF. Álvarez et al [27] examined the flow field within the annular gap in the case of an annular ribbon fin structure and noted the appearance of smaller secondary vortices above the fins, as well as an increase in the vortex size with an increase in fin width. It is important to note that any additional contact surface within the TCR annular gap has a significant impact on the Taylor vortex structure.…”

Section: Introductionmentioning

confidence: 99%

Flow in a Taylor–Couette Reactor with Ribbed Rotors

et al. 2023

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This paper investigates the flow structure and flow pattern transition within a conical ribbed Taylor–Couette reactor (TCR), which is 4 mm in gap width and 200 mm in height, via particle image velocimetry (PIV) and numerical simulation methods. The effect of various parameters on the vortex structure and on flow transition, including the structural parameters of the ribs (rib spacing and rib width) and the operating parameters (Taylor number and axial Reynolds number), were investigated. Without axial flow, the ribbed TCR can control the flow structure while maintaining the symmetry of the flow field. Under certain conditions, a Taylor vortex pair can form between the ribs, with the down vortex rotating clockwise and the up vortex rotating counterclockwise. The axial dimension of the Taylor vortex can be controlled by adjusting the rib spacing, which can be summarized into four different conditions according to the size of the rib spacing. With axial flow, the axial Reynolds number greatly impacts the Taylor vortex structure within the ribbed TCR, and as the axial Reynolds number increases, the up vortex appears to be compressed and the down vortex appears to be stretched. The double vortex flow pattern between the ribs is eventually transformed into a single vortex. The critical axial Reynolds number for flow pattern transition is defined and correlated with the Taylor number and rib spacing. The results show that the critical axial Reynolds number is positively proportional to the Taylor number and is inversely proportional to rib spacing. The empirical correlation equation developed in this study shows strong predictive power and is validated using the experimental results. Overall, this study provides a comprehensive understanding of the flow structure and pattern transition within a ribbed TCR and lays the foundation for the further optimization of TCR design.

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Section: Introductionmentioning

confidence: 99%

Flow in a Taylor–Couette Reactor with Ribbed Rotors

et al. 2023

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Development of Inspired Therapeutics Pediatric VAD: Computational Analysis and Characterization of VAD V3

Tompkins

Gellman²,

Prina³

et al. 2022

Cardiovasc Eng Tech

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Study on Flow Characteristics and Mass Transfer Mechanism of Kettle Taylor Flow Reactor

Wan

Xie

et al. 2022

Energies

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A scheme of a gas–liquid mixed jet is designed by installing gas distributor at the bottom of a stirred tank reactor to generate Taylor vortex. The eddy flow characteristics and mass transfer mechanism in the reactor are analyzed by numerical simulation and experiment. The results show that the evolution law of Taylor vortex in a stirred tank reactor with a rotating Reynolds number is similar to that in a conventional Taylor reactor. The Taylor vortex generated in the stirred tank reactor creates a partial plug flow region in the original complete mixing flow pattern, which reduces back mixing, the plug flow area expands with the increase of rotating Reynolds number. Under the condition of a critical rotating Reynolds number (Recr), the gas phase homogeneity of the reactor is increased by 28% and the dissolved oxygen rate is increased by about 5 times, which effectively improves the flow condition in the reactor and strengthens the mass transfer efficiency between the gas and liquid. The research results provide a theoretical basis for breaking through the limitation of small reaction space of conventional Taylor flow reactor and expanding production scale. The refit of kettle reactor is universal and easy to operate.

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A Study of the Taylor-Couette Flow with Finned Surface Rotation

Cited by 4 publications

References 25 publications

Flow in a Taylor–Couette Reactor with Ribbed Rotors

Flow in a Taylor–Couette Reactor with Ribbed Rotors

Development of Inspired Therapeutics Pediatric VAD: Computational Analysis and Characterization of VAD V3

Study on Flow Characteristics and Mass Transfer Mechanism of Kettle Taylor Flow Reactor

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