Origin and dynamics of vortex rings in drop splashing | Nature Communications
Vortex ring state - Wikipedia
Mass production of shaped particles through vortex ring freezing | Nature Communications
Vortex ring - Wikipedia
Vortex Ring - an overview | ScienceDirect Topics
Scientists created 'smoke rings' of light
Visualization of Lagrangian fluid transport of a vortex ring based on time-resolved PIV | SpringerLink
Vortex ring formation coupled with a translating bluff body | Journal of Fluid Mechanics | Cambridge Core
Q&A: How Smoke Rings Work – SKY LIGHTS
Two circular vortex rings propagate in air seeded by smoke - Flow Visualization
Vortex Rings
Vortex ring | IAHR Media Library
The Vortex Ring, Close Up, in Slow Motion. - YouTube
Ring-structure and the vortex – BLDGBLOG
What Are Vortex Rings? How Are Vortex Rings Formed?
Vortex ring - Wikipedia
Vortex Ring State / Settling with Power in Helicopters - Part 1 - YouTube
Helicopter Technique: Escape the vortex - AOPA
Potential application of using vortex ring for personalized ventilation - Wang - 2020 - Indoor Air - Wiley Online Library
Vortex Ring Cannon, improved version - YouTube
Solving a physics mystery: Those 'solitons' are really vortex rings
