Air rings blown by dolphins swimming underwater and rings of smoke emitted by jet engines are just two examples of vortex rings. These doughnut-shaped structures and their mesmerizing movement have ...

LOUISVILLE, Colo.--(BUSINESS WIRE)--Sierra Space, a leading commercial space company and defense tech prime that is Building a Platform in Space to Benefit Life on Earth ®, announced today the ...

The study of vortex ring dynamics centres on understanding the formation, evolution and decay of toroidal vortices generated by pulsed fluid jets. These phenomena are crucial in a wide range of ...

Example trajectory of CARL surfing a vortex ring for propulsion. In response to sensed acceleration, CARL autonomously executed a short burst maneuver to become entrained into the material boundary of ...

PARIS—The French Vortex spaceplane demonstrator program will aim to validate heat shield technology and different control capabilities once it takes flight in about three years. “We must invest in ...