Assessment of transition modeling for the unsteady performance of a pump-jet propulsor in model scale
Sign Up to like & getrecommendations! Published in 2021 at "Applied Ocean Research"
DOI: 10.1016/j.apor.2021.102537
Abstract: Abstract The generally adopted strategy to investigate the flow on a pump-jet propulsor (PJP) is in model scale, but the flow is often overestimated as full turbulence in numerical prediction. The effects of transition modeling… read more here.
Keywords: performance; pump jet; jet propulsor; transition modeling ... See more keywords
Serration of the duct trailing edge to affect the hydrodynamics and noise generation for a pump-jet propulsor
Sign Up to like & getrecommendations! Published in 2024 at "Physics of Fluids"
DOI: 10.1063/5.0180347
Abstract: Inspired by the silent gliding feather of owl wings, the trailing edge of the duct of a pump-jet propulsor was designed with a similar serrated structure in order to reduce noise generation. Two distinct serrated… read more here.
Keywords: pump jet; hydrodynamics; jet propulsor; edge ... See more keywords
Sources and mechanisms of flow loss and hydroacoustics in a pre-swirl stator pump-jet propulsor
Sign Up to like & getrecommendations! Published in 2024 at "Physics of Fluids"
DOI: 10.1063/5.0192405
Abstract: Accurately identifying sources of flow loss and hydroacoustics and clarifying the mechanism of their generation are crucial for directing the optimal design of efficient and quiet pump-jet propulsors (PJPs). In this paper, numerical simulations of… read more here.
Keywords: loss hydroacoustics; pump jet; loss; stator ... See more keywords
Study on rotor–stator interaction in a pump-jet propulsor based on dynamic mode decomposition
Sign Up to like & getrecommendations! Published in 2024 at "Physics of Fluids"
DOI: 10.1063/5.0196459
Abstract: For a pre-swirl pump-jet propulsor (PJP), the stator inevitably induces the problem of rotor–stator interaction (RSI). In this paper, the mechanism of RSI in a PJP is analyzed through dynamic mode decomposition (DMD). The coherent… read more here.
Keywords: pump jet; jet propulsor; rotor; stator ... See more keywords
Missing compensation of flow field in pump jet based on U-shaped attention-driven deformable generative adversarial network
Sign Up to like & getrecommendations! Published in 2025 at "Physics of Fluids"
DOI: 10.1063/5.0271700
Abstract: The pump-jet propulsor (PJP), as a new type of propulsion system for underwater vehicles characterized by high efficiency, low noise, and high critical speed, plays a significant role in advancing marine engineering. Obtaining complete internal… read more here.
Keywords: pump jet; flow field; flow fields; network ... See more keywords
Development of a pump-jet piezoelectric swimmer with acoustic radiation actuation
Sign Up to like & getrecommendations! Published in 2024 at "Smart Materials and Structures"
DOI: 10.1088/1361-665x/ad6962
Abstract: The acoustofluidic actuation produced by piezoelectric transducer is capable of propelling micro underwater robots forward, yet the motion pattern is relatively simplistic. To solve this problem, a pump-jet swimmer with a combination of the underwater… read more here.
Keywords: pump jet; pump; actuation; acoustic radiation ... See more keywords
Biomimetically Inspired Design of a Low-Noise Pump-Jet Impeller Based on Hydrodynamic–Acoustic Coupling Analysis
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Journal of Oceanic Engineering"
DOI: 10.1109/joe.2025.3586266
Abstract: Pump-jet propulsion technology is increasingly applied in uncrewed underwater vehicle propulsion. A key research focus is the biomimetic design of pump-jets to improve efficiency and reduce noise. However, accurately evaluating the impact of such designs… read more here.
Keywords: pump jet; pump; acoustic coupling; hydrodynamic acoustic ... See more keywords
Research on the Horizontal Yaw Dynamic Characteristics of Pump-Jet Propulsors Based on Dynamic Mesh Technology
Sign Up to like & getrecommendations! Published in 2025 at "Applied Sciences"
DOI: 10.3390/app15052408
Abstract: The potential value of the new type of vector propulsor in submarine movement has been confirmed. However, some key mechanical issues are not fully understood, especially the hydrodynamic characteristics during oblique motion. By using dynamic… read more here.
Keywords: pump jet; vector; jet; dynamic mesh ... See more keywords
A CFD-Based Surrogate for Pump–Jet AUV Maneuvering
Sign Up to like & getrecommendations! Published in 2025 at "Journal of Marine Science and Engineering"
DOI: 10.3390/jmse13102014
Abstract: Prediction of the maneuvering performance of autonomous underwater vehicles equipped with pump–jet propulsion remains computationally intensive when relying solely on high-fidelity computational fluid dynamics. To overcome this limitation, a surrogate maneuvering model is developed to… read more here.
Keywords: pump jet; pump; based surrogate; model ... See more keywords
Numerical Investigation on the Cavitating Flow and the Cavitation-induced Noise in the Pump-jet Propeller
Sign Up to like & getrecommendations! Published in 2025 at "Journal of Applied Fluid Mechanics"
DOI: 10.47176/jafm.18.2.2813
Abstract: The noise hazard posed by cavitation in pump-jet propellers is a significant concern during oceanic operations. This study evaluates the cavitation performance and associated noise characteristics of pump-jet propellers in underwater conditions, further examining the… read more here.
Keywords: pump jet; induced noise; cavitation;