Vortex ring formation process in starting jets with uniform background co- and counter-flow

DOI10.1017/jfm.2023.586OpenAlexW4385631312MaRDI QIDQ6170496

S. C. M. Yu, Lei Gao, Jianwei Zhu, Unnamed Author

Publication date: 10 August 2023

Published in: Journal of Fluid Mechanics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1017/jfm.2023.586

zbMATH Keywords

finite volume methodincompressible Navier-Stokes equationsvortex sheddingkinematic criterion

Mathematics Subject Classification ID

Finite volume methods applied to problems in fluid mechanics (76M12) Viscous vortex flows (76D17) Wakes and jets (76D25)

Cites Work

• Unnamed Item
• Numerical simulation of vortex ring formation in the presence of background flow with implications for squid propulsion
• The formation of ‘optimal’ vortex rings, and the efficiency of propulsion devices
• Optimal vortex formation in a self-propelled vehicle
• Development of the trailing shear layer in a starting jet during pinch-off
• A model for the pinch-off process of the leading vortex ring in a starting jet
• The efficiency of pulsed-jet propulsion
• Vortex-enhanced propulsion
• An over-pressure correction to the slug model for vortex ring circulation
• Effects of trailing jet instability on vortex ring formation
• Energy and velocity of a forming vortex ring
• Delay of vortex ring pinchoff by an imposed bulk counterflow
• Vortex dynamics in starting square water jets
• The significance of vortex ring formation to the impulse and thrust of a starting jet
• Vortex ring pinchoff in the presence of simultaneously initiated uniform background co-flow
• Optimal Vortex Formation as a Unifying Principle in Biological Propulsion
• On the Formation of Vortex Rings
• A universal time scale for vortex ring formation
• Circulation and formation number of laminar vortex rings
• Fluid entrainment by isolated vortex rings
• Estimating the non-dimensional energy of vortex rings by modelling their roll-up
• Circulation and energy of the leading vortex ring in a gravity-driven starting jet
• Modelling circulation, impulse and kinetic energy of starting jets with non-zero radial velocity
• The formation number of vortex rings formed in uniform background co-flow
• Examples of steady vortex rings of small cross-section in an ideal fluid
• A family of steady vortex rings
• Starting flow through nozzles with temporally variable exit diameter

This page was built for publication: Vortex ring formation process in starting jets with uniform background co- and counter-flow