Design Method for Low Specific Speed Axial Flow Pump for High-Speed Undersea Vehicles

ZHANG Ziruo; LUO Kai; QIN Kan

doi:10.11993/j.issn.2096-3920.2023-0036

Volume 32 Issue 1

Feb 2024

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Article Navigation > Journal of Unmanned Undersea Systems > 2024 > 32(1): 130-138

ZHANG Ziruo, LUO Kai, QIN Kan. Design Method for Low Specific Speed Axial Flow Pump for High-Speed Undersea Vehicles[J]. Journal of Unmanned Undersea Systems, 2024, 32(1): 130-138. doi: 10.11993/j.issn.2096-3920.2023-0036

Citation:

ZHANG Ziruo, LUO Kai, QIN Kan. Design Method for Low Specific Speed Axial Flow Pump for High-Speed Undersea Vehicles[J]. Journal of Unmanned Undersea Systems, 2024, 32(1): 130-138. doi: 10.11993/j.issn.2096-3920.2023-0036

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Design Method for Low Specific Speed Axial Flow Pump for High-Speed Undersea Vehicles

doi: 10.11993/j.issn.2096-3920.2023-0036

Marine Science and Technology, Northwestern Polytechnical University, Xi’an 710072, China

Received Date: 2023-04-11
Accepted Date: 2023-05-30
Rev Recd Date: 2023-05-22

Available Online: 2024-01-29

Abstract

Abstract

For the axial flow pumps water-jet propulsion system of undersea vehicles, the high specific speed axial flow pump designed by the lift method fails to work under shallow water and high-speed conditions at present. Therefore, this study put forward a method to design a low specific speed axial flow pump. By considering the blade grid characteristics of the NACA66_a=0.8 airfoil, the design relationship among the angle of attack, lift coefficient, and other parameters was changed to establish an axial flow pump model suitable for high-speed conditions, and SST k-ω turbulence model and multi-reference frame model were used to simulate the flow field motion of the designed pump. The results show that under the design conditions, for the head and hydraulic efficiency of the designed pump, the error between the design value and the emulation value is controlled within 8%. At the same time, the cavitation resistance of the designed pump at different depths is tested to explore the minimum depth where the designed pump can work.
- highspeed undersea vehicle,
- axial flow pump,
- shallow water,
- water-jet propulsion

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References(13)

References

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