The vortex ring state (VRS) is a dangerous aerodynamic condition that may arise in helicopter flight, when a vortex ring system engulfs the rotor, causing...
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A vortex ring, also called a toroidal vortex, is a torus-shaped vortex in a fluid; that is, a region where the fluid mostly spins around an imaginary axis...
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Quadcopter (section Vortex ring state)
quadcopters are subject to normal rotorcraft aerodynamics, including the vortex ring state.[citation needed] The main mechanical components are a fuselage or...
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The vortex ring gun is an experimental non-lethal weapon for crowd control that uses high-energy vortex rings of gas to knock down people or spray them...
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determined that the aircraft had entered an aerodynamic condition known as vortex ring state, which resulted from a high rate of descent compounded by pilot error...
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arrest its descent. This hazard can develop into vortex ring state if not corrected early. Vortex ring state is a hazard induced by a combination of low airspeed...
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pedal work for the pilot to eliminate unintended yaw. Tail rotor vortex ring state - Wind moving in the same direction as the tail rotor moves air. With...
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In fluid dynamics, a vortex (pl.: vortices or vortexes) is a region in a fluid in which the flow revolves around an axis line, which may be straight or...
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Rhein-Sieg, public transport in the Cologne/Bonn region of Germany Vortex ring state, a helicopter flight condition Skoda vRS car models an alternate abbreviation...
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software, and procedures in response to hydraulic fires in the nacelles, vortex ring state control issues, and opposed landings; reliability has improved accordingly...
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exploded, killing all 19 on board. The cause was determined to be vortex ring state (VRS), a fundamental limitation on vertical descent which is common...
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Paul Edwards has stated that the AW609 was not susceptible to the vortex ring state phenomena, naturally slipping out of the vortex on its own since both...
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altitude permits, autorotations may also be used to recover from a vortex ring state, also known as settling with power. In all cases, a successful landing...
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original on August 15, 2017. Retrieved August 15, 2017. "Vortex Ring State: Virginia State Police Bell 407 Fatal Accident". aerossurance.com. July 18...
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effect (aerodynamics) Transverse flow effect Dissymmetry of lift Vortex ring Vortex ring state Croucher, Phil (2007). Professional Helicopter Pilot Studies...
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first helicopter experienced a hazardous airflow condition known as a vortex ring state. This was aggravated by higher-than-expected air temperature and the...
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configuration. If such a craft is flown in a way where it enters a vortex ring state, one of the rotors will always enter slightly before the other, causing...
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Investigation report determined "The helicopter probably entered a vortex ring state during the final approach". The pilot and crewman received minor injuries...
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Vertical path V/R Voltage regulator VRP Visual point of reference VRS vortex ring state Helicopter flight phenomenon V/S Vertical speed VSCF variable speed...
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January 2024). Performance of the Dragonfly Lander’s Coaxial Rotor in Vortex Ring State (PDF). Propeller/Rotorcraft/Wind Turbine Aerodynamics II. NASA. doi:10...
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of tail-rotor effectiveness, Retreating blade stall,Dynamic stall, Vortex ring state, Servo transparency, Must bumping, and Tailstrike. Because the main...
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pick-up from departing LNG tanker in night VFR conditions, entered a vortex ring state. After ditching, it stayed afloat for over two hours.[citation needed]...
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vortex in Wiktionary, the free dictionary. A vortex is a dynamic phenomenon of fluids. Vortex may also refer to: Vortex ring, a torus-shaped vortex in...
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Investigation report determined "The helicopter probably entered a vortex ring state during the final approach". The pilot and crewman received minor injuries...
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projected onto a flat surface, an optical vortex looks like a ring of light, with a dark hole in the center. The vortex is given a number, called the topological...
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and Higuchinsky's Uzumaki (2000, a.k.a. Vortex, based on the Junji Ito horror manga of the same name). Ring had some influence on Western cinema and...
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effectiveness Low-g condition Retreating blade stall Dynamic stall Vortex ring state Servo transparency Tailstrike Related Bamboo-copter Cyclogyro Helicopter...
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The Arctic tropospheric polar vortex A circumpolar vortex, or simply polar vortex, is a large region of cold, rotating air; polar vortices encircle both...
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indicated that a combination of factors had placed the helicopter into a vortex ring state at low altitude which made impact "unavoidable". The Lerwick and Aith...
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an opponent. Based on the Lightning ring. Long Breath: Lets the user summon vortexes of wind. Based on the Spin ring. Daemon's Eye: Lets the user emit powerful...
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