Numerical investigation of the scale effects of pump-jet propulsor with a pre-swirl stator [PDF]
, 2023 In this study, the performance of a pump-jet propulsor (PJP) with pre-swirl stator in open water is numerically investigated. Both full-scale and model-scale configurations are considered.
Yang, Chun +17 more
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Experimental study of controlling tip clearance flow in a pump-jet propulsor
, 2023 ObjectiveThis paper aims to suppress the adverse effects of tip clearance flow on the hydrodynamic performance and unsteady excitation force of a pump-jet propulsor. MethodAs for the pre-swirl stator pump-jet propulsor, an annular flexible seal structure
Haiting YU +5 more
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Comparative study on the wake dynamics of pump-jet and ducted propeller based on dynamic mode decomposition [PDF]
, 2023 A comparative study on the wake dynamics of a pump-jet propulsor (PJP) and a ducted propeller (DP) is conducted to investigate the effects of the pre-swirl stator and corresponding stator-rotor interaction on the wake evolution and destabilization ...
Shen, Xi +4 more
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Study on Vibration Attenuation Performance of Pump-Jet Propulsor Duct with an Axial Slot Structure
, 2023 To reduce the structural vibration of the duct structure in pump-jet propulsors (PJPs) and lower the induced vibration noise, this study learned from the “processor box” in an aero-engine and set a certain number of axial slots in the PJP ...
Lin Ke, Jinming Ye, Xiaoyu Zou
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Numerical simulation of flow field in water-pump sump and inlet suction pipe [PDF]
, 2010 There are several important considerations in the design of a suction supply sump. It is imperative that the amount of turbulence and entrained air be kept to a minimum.
BOIS, Gérard +2 more
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Fundamentals of Centrifugal Pump and System Interaction [PDF]
, 2011 Short CoursePumps are an integral part of your industry, yet engineers, operators, and maintenance technicians are seldom fully trained to handle the pump problems they encounter daily.
Volk, Michael, Volk, Mike
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To address the difficulty of obtaining high fidelity flow field information for unmanned underwater vehicle pump-jet propulsor, the accuracy of super-resolution flow field reconstruction by using a hybrid down-sampling skip connection/multi-scale ...
LIU Haiguang +4 more
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Numerical analysis of unsteady forces in a pump-jet propulsor due to dynamic tip-clearance changes [PDF]
ObjectiveThis study aims to investigate the effects of dynamic variations in rotor tip-clearance on the unsteady forces of a pump-jet propulsor, while analyzing the role of a flexible isolation system in influencing the excitation characteristics of the ...
Jingyi HE +5 more
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Validation Of Numerical Procedure For Assessment Of Centrifugal Pump Cavitation Erosion [PDF]
, 2009 LectureThis paper presents validation of a novel method for assessment of the centrifugal pump cavitation erosion with two configurations of a model feed centrifugal pump: with thru shaft, and Cantilever impeller.
Timouchev, Serguei F. +3 more
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Improving The Reliability Of A Decoking Jet Pump Train With A Hydrodynamic Variable Speed Drive [PDF]
, 2010 LectureDelayed coking is a refining process that consists of the upgrading of petroleum residues into lighter and more valuable hydrocarbon fractions by promoting thermal cracking on the residue stream.
Bermudez, Reinaldo
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