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Article
Unsteady flow structures in centrifugal pump under two types of stall conditions
The stall is an unsteady flow phenomenon that always causes instabilities and low efficiency for pumps. This paper focuses on the unsteady flow structures and evolutions under two types of stall conditions in ...
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Article
Effect of bionic mantis shrimp groove volute on vortex pump pressure pulsation
In order to reduce pressure pulsation of vortex pumps, the mantis shrimp was chosen as biological prototype and a bionic engineering model was developed from its abdominal segment grooves. Bionic mantis shrimp...
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Article
Characteristics and mechanism investigation on drag reduction of oblique riblets
This work primarily focuses on the drag reduction characteristics and mechanism investigation of oblique riblets. First, a calculation model of the oblique riblets surface is established, and Reynolds stress m...
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Article
Investigation of rotating stall for a centrifugal pump impeller using various SGS models
The accurate modeling and prediction of the rotating stall in a centrifugal pump is a significant challenge. One of the modeling techniques that can improve the accuracy of the flow predictions is the large ed...
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Article
Effect of pum** chamber on performance of non-overload centrifugal pump
In order to specify the characteristics of un-overloaded centrifugal pumps, the IH100-65-200 pump was chosen as the model pump. Different calculation models for centrifugal pumps were established under differe...