Investigation of the stability of a planar Oldroyd-B jet

Sterza, Rafael de L.; Mendonça, Márcio; Souza, Leandro Franco de; Brandi, Analice Costacurta

doi:10.1007/s40430-023-04162-5

J Braz. Soc. Mech. Sci. Eng.

2023

DOI: 10.1007/s40430-023-04162-5

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Investigation of the stability of a planar Oldroyd-B jet

Rafael de L. Sterza

Márcio Mendonça

Leandro Franco de Souza

et al.

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2024

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Computational Fluid Dynamics Analysis of Gas Suction in Coaxial Flow Venturi Injector: Impact of Gas–Liquid Interface Structure in Mixing Section

Zu,

Zhong,

et al. 2024

Applied Sciences

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The gas–liquid Venturi injector has been widely applied in industrial production due to its advantages of high entrainment and low energy consumption. In this study, Computational Fluid Dynamics (CFD) was employed to investigate the effect of the gas–liquid interface structure within the mixing section on entrainment behavior by varying the geometry of the mixing section during gas–liquid coaxial flow. The simulation results indicate that along the jet direction, the gas–liquid interface generally transitions from a smooth cylindrical shape to a lobed structure in the mixing section. Surface waves mainly appear in the lobed region. Furthermore, lobed and surface wave structures reduce pressure loss and enhance entrainment. Additionally, the study found that longer mixing sections enhance entrainment under low flow resistance. This study provides valuable insights for achieving high jet entrainment and offers supplementary research on gas–liquid interface structures in jets constrained by solid boundaries.

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Computational Fluid Dynamics Analysis of Gas Suction in Coaxial Flow Venturi Injector: Impact of Gas–Liquid Interface Structure in Mixing Section

Zu,

Zhong,

et al. 2024

Applied Sciences

View full text Add to dashboard Cite

show abstract

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Investigation of the stability of a planar Oldroyd-B jet

Cited by 1 publication

References 17 publications

Computational Fluid Dynamics Analysis of Gas Suction in Coaxial Flow Venturi Injector: Impact of Gas–Liquid Interface Structure in Mixing Section

Computational Fluid Dynamics Analysis of Gas Suction in Coaxial Flow Venturi Injector: Impact of Gas–Liquid Interface Structure in Mixing Section

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