Nucleation and cavitation number effects on tip vortex cavitation dynamics and noise
Sign Up to like & getrecommendations! Published in 2021 at "Experiments in Fluids"
DOI: 10.1007/s00348-021-03308-2
Abstract: The spatial and acoustic characteristics of tip vortex cavitation (TVC) inception were measured in a cavitation tunnel. Numerous cavitation events were recorded to reveal the influence of different nuclei populations and cavitation numbers on nuclei… read more here.
Keywords: cavitation; tip vortex; vortex cavitation; inception ... See more keywords
Numerical simulation of Vortex–Rudder interactions behind the propeller
Sign Up to like & getrecommendations! Published in 2019 at "Ocean Engineering"
DOI: 10.1016/j.oceaneng.2019.106446
Abstract: Abstract In this study, the evolution of the propeller tip vortex and its effect on the rudder surface pressure fluctuation was investigated using large eddy simulation. In this simulation, the flow domain was discretized using… read more here.
Keywords: numerical simulation; vortex; tip vortex; propeller ... See more keywords
Large Eddy Simulations of cavitating tip vortex flows
Sign Up to like & getrecommendations! Published in 2020 at "Ocean Engineering"
DOI: 10.1016/j.oceaneng.2019.106703
Abstract: In the current study, tip vortex flows are numerically studied by employing Large Eddy Simulation. Wet flow, cavitation inception, and cavitating tip vortex simulations are carried out on an elliptical foil. The mesh resolution requirements… read more here.
Keywords: large eddy; tip vortex; vortex; vortex flows ... See more keywords
Impact of skew on propeller tip vortex cavitation
Sign Up to like & getrecommendations! Published in 2021 at "Ocean Engineering"
DOI: 10.1016/j.oceaneng.2020.108479
Abstract: Abstract To analyze the effect of skew on propeller cavitation performance, single-blade propellers with different amounts of skew are investigated. Simulations are preformed using the Large Eddy Simulation (LES) and the Schnerr–Sauer cavitation model. The… read more here.
Keywords: tip vortex; cavitation; vortex cavitation; skew propeller ... See more keywords
Experimental measurement of tip vortex flow field with/without cavitation in an elliptic hydrofoil
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Hydrodynamics"
DOI: 10.1016/s1001-6058(16)60808-9
Abstract: In this paper, recent measurements of tip vortex flow with and without cavitation carried out in Cavitation Mechanism Tunnel of China Ship Scientific Research Center (CSSRC) are presented. The elliptic hydrofoil with section NACA 662-415… read more here.
Keywords: cavitation; vortex; tip vortex; vortex flow ... See more keywords
Mitigating tip vortex cavitation by a flexible trailing thread
Sign Up to like & getrecommendations! Published in 2019 at "Physics of Fluids"
DOI: 10.1063/1.5126376
Abstract: Tip Vortex Cavitation (TVC) is a major issue in design and operation of axial hydraulic machines. We investigate the capacity of a flexible trailing thread in alleviating TVC by analyzing the flow-induced motion. For this… read more here.
Keywords: motion; tip vortex; vortex; vortex cavitation ... See more keywords
Effects of crosswinds and tip configurations on the initial phase of wingtip vortex evolution
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering"
DOI: 10.1177/09544100221123868
Abstract: Wingtip vortex is the initial phase of aircraft wake flow that jeopardizes flight safety. Previous studies have focused on the effect of incidence angle on tip vortex flow; thus, investigations on tip vortex in the… read more here.
Keywords: tip vortex; wingtip; square wingtip; initial phase ... See more keywords
Tip Vortex Meandering Characteristics of a Model Helicopter Rotor with Different Tip Shapes
Sign Up to like & getrecommendations! Published in 2023 at "AIAA Journal"
DOI: 10.2514/1.j062552
Abstract: This paper presents the results of an experimental investigation regarding the tip vortex meandering characteristics for a model helicopter rotor with different blade tip shapes. Phase-locked particle image velocimetry measurements are performed at the rotor… read more here.
Keywords: rotor; vortex meandering; meandering characteristics; model ... See more keywords
Numerical Investigation of the Tip Vortex of a Straight-Bladed Vertical Axis Wind Turbine with Double-Blades
Sign Up to like & getrecommendations! Published in 2017 at "Energies"
DOI: 10.3390/en10111721
Abstract: Wind velocity distribution and the vortex around the wind turbine present a significant challenge in the development of straight-bladed vertical axis wind turbines (VAWTs). This paper is intended to investigate influence of tip vortex on… read more here.
Keywords: wind; vortex; tip vortex; velocity ... See more keywords
Prediction of Unsteady Developed Tip Vortex Cavitation and Its Effect on the Induced Hull Pressures
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Marine Science and Engineering"
DOI: 10.3390/jmse8020114
Abstract: Reducing the on-board noise and fluctuating pressures on the ship hull has been challenging and represent added value research tasks in the maritime industry. Among the possible sources for the unpalatable vibrations on the hull,… read more here.
Keywords: induced hull; tip vortex; propeller; hull pressures ... See more keywords
Research on Rotorcraft Blade Tip Vortex Identification and Motion Characteristics in Hovering State
Sign Up to like & getrecommendations! Published in 2020 at "Symmetry"
DOI: 10.3390/sym12020196
Abstract: The rotorcraft blade tip vortex rolled up by the blade tip when the rotor rotates at high speed will produce a complex induced velocity field, which will have an important impact on the aerodynamic load… read more here.
Keywords: motion characteristics; tip vortex; blade tip; vortex identification ... See more keywords