Vortex ring

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51	PDF Document Add to Reading List Source URL: www.ibiblio.org Language: English - Date: 2006-07-14 16:17:03 Helicopter Military helicopters Tail rotor Hughes OH-6 Cayuse Vortex ring state Autorotation Bell UH-1 Iroquois Coaxial rotors Proxflyer Rotorcraft Aircraft Aviation
52	PDF Document Add to Reading List Source URL: pdf.aiaa.org Language: English - Date: 2005-05-23 14:26:16 Aerodynamics Vortices Vortex Bubble ring Vorticity Turbulence Shock wave Smoke ring Shock tube Fluid dynamics Dynamics Fluid mechanics
53	PDF Document Add to Reading List Source URL: ia600606.us.archive.org Language: English - Date: 2011-05-27 03:24:01 Aerodynamics Helicopter Autorotation Differential equation Autogyro Rigid body dynamics Vortex ring Blade element theory Aerospace engineering Aircraft Fluid dynamics