2024
DOI: 10.1007/s42241-024-0011-0
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Experimental and numerical investigation of the impacts of rotor tip-rake on excitation forces of pump-jet propulsors

Xue-qin Ji,
Xiao-song Zhang,
Chen-jun Yang
et al.

Abstract: The tip-clearance flow in a pump-jet propulsor exerts great impacts on the fluctuating pressures and resultant unsteady forces, which are important sources of structural vibrations and radiated noise underwater. The blade geometry close to the tip is an important factor determining the vortex strength in the tip-clearance flow. In the open-water condition, the effects of raking the rotor tips on duct-surface fluctuating pressures and the resultant unsteady forces acting on different components of the propulsor… Show more

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