Suppressing submerged vortices in a closed pump sump: A novel approach using joint anti-vortex devices

Zhang, Bowen; Cheng, Li; Zhu, Baoshan; Jiao, Weixuan; Luo, Can; Yang, Anlong

doi:10.1016/j.apor.2024.104226

Applied Ocean Research

2024

DOI: 10.1016/j.apor.2024.104226

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Suppressing submerged vortices in a closed pump sump: A novel approach using joint anti-vortex devices

Bowen Zhang,

Li Cheng,

Baoshan Zhu

et al.

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Advances in Flow Control Methods for Pump-Stall Suppression: Passive and Active Approaches

Zhao,

Zhou,

Meng

et al. 2024

Energies

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This article provides a comprehensive review of key approaches to suppressing stall flow in pumps, offering insights to enhance pump performance and reliability. It begins by outlining the formation mechanisms and characteristics of stalls, followed by an in-depth analysis of various stall types. The discussion highlights passive and active flow control methods, emphasizing their roles in suppressing stall phenomena. Passive flow-control strategies, including surface roughness, grooves, obstacles, fixed guide vanes, and vortex generators, are examined with a focus on their mechanisms and effectiveness in suppressing stall. Similarly, active flow-control techniques, such as jets and adjustable guide vanes, are explored for their capacity to regulate the flow field and suppress stall. The novelty of this review lies in its exploration of the effectiveness of passive and active flow-control methods in suppressing pump stall, with a focus on their mechanisms of action and the underlying principles of stall formation. The findings reveal that appropriate flow-control measures can mitigate laminar flow separation and reduce performance losses associated with stall. However, careful attention must be given to the optimal arrangement of control devices. Finally, the article highlights the limitations of current implementations of combined active and passive flow-control methods while offering insights into the future potential of advanced flow-control technologies in regard to suppressing stall.

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Advances in Flow Control Methods for Pump-Stall Suppression: Passive and Active Approaches

Zhao,

Zhou,

Meng

et al. 2024

Energies

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Suppressing submerged vortices in a closed pump sump: A novel approach using joint anti-vortex devices

Cited by 1 publication

References 28 publications

Advances in Flow Control Methods for Pump-Stall Suppression: Passive and Active Approaches

Advances in Flow Control Methods for Pump-Stall Suppression: Passive and Active Approaches

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