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Dynamics of liquid dispersion in a rotating packed bed with single‐layer wire mesh

Chen, Wen‐Cong ; Liu, Zhi‐Hao ; Chu, Guang‐Wen ; Zhang, Liang‐Liang ; Chen, Jian‐Feng

AIChE journal, 2023-08, Vol.69 (8), p.n/a [Periódico revisado por pares]

Hoboken, USA: John Wiley & Sons, Inc

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Título:
Dynamics of liquid dispersion in a rotating packed bed with single‐layer wire mesh
Autor: Chen, Wen‐Cong ; Liu, Zhi‐Hao ; Chu, Guang‐Wen ; Zhang, Liang‐Liang ; Chen, Jian‐Feng
Assuntos: breakup ; Dispersion ; dispersion dynamics ; Droplets ; Finite element method ; Ligaments ; liquid ligament ; Mass transfer ; Mathematical models ; Micromixing ; numerical simulation ; Packed beds ; Photography ; Rotating liquids ; Rotation ; RPB ; Simulation ; Wire cloth
É parte de: AIChE journal, 2023-08, Vol.69 (8), p.n/a
Descrição: The improvement of liquid dispersion by rotating wire mesh is one of the major causes for the mass transfer and micromixing intensification in rotating packed beds (RPBs). In particular, the initial dispersion region has been proved to have the greatest mass transfer and micromixing efficiency. However, the dispersion mechanism has not been revealed. This study investigated the dynamics of liquid dispersion in an RPB with single‐layer wire mesh. The liquid dispersion behaviors were obtained by high‐speed photography and numerical simulation. The liquid was found to stretch into ligaments and break into the main droplet and several satellite droplets. A new theoretical model was established to reveal the dispersion mechanism of these two stages. The stretching stage depends on the liquid initial momentum and acquired impulse, while the breakup stage was determined by the competition of ligaments recoil and pinch‐off behaviors. The model was validated in good agreement with the experimental and simulation results of the dispersion characteristics.
Editor: Hoboken, USA: John Wiley & Sons, Inc
Idioma: Inglês

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Dynamics of liquid dispersion in a rotating packed bed with single‐layer wire mesh

Chen, Wen‐Cong ; Liu, Zhi‐Hao ; Chu, Guang‐Wen ; Zhang, Liang‐Liang ; Chen, Jian‐Feng

Hoboken, USA: John Wiley & Sons, Inc

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