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A fog machine, fog generator, or smoke machine is a device that emits a dense vapor that appears similar to fog or smoke. This artificial fog is most commonly used in professional entertainment applications, but smaller, more affordable fog machines are becoming common for personal use. Fog machines can also be found in use in a variety of ...
A sample wind tunnel layout showing some typical features including a test section and control room, a machine for pumping air continuously through ducting, and a nozzle for setting the test airspeed. A wind tunnel is "an apparatus for producing a controlled stream of air for conducting aerodynamic experiments". [1]
Low Speed Wind Tunnel 1.15 m (3 ft 9 in) by 0.95 m (3 ft 1 in) Flow Visualisation Wind Tunnel 0.90 m (2 ft 11 in) by 0.90 m (2 ft 11 in) United Kingdom University of Manchester [17] Operational Hypersonic wind tunnel 6 in (150 mm) diameter Trisonic wind tunnel 0.15 m (5.9 in) by 0.3 m (1 ft 0 in)
A smoke screen obstructing the view of the parachute landing at Nadzab, 1943. Smoke screens are usually used by infantry to conceal their movement in areas of enemy fire. They can also be used by armoured fighting vehicles, such as tanks, to conceal a withdrawal. They have regularly been used since earliest times to disorient or drive off ...
The University of Western Ontario's wind-tunnel laboratory, through a seed investment from OCE's Centre for Energy, is studying the dynamics of a one-metre version of Michaud's vortex engine. [ 13 ] PayPal founder Peter Thiel's Breakout Labs sponsored an AVE test with a (2012) $300,000 grant. [ 14 ]
Since then, China has continued to advance its science and technology and is now home to the world’s most powerful hypersonic wind tunnel, the JF-22, which can simulate the conditions in which a ...
Vortex Bladeless Ltd. is a Spanish technology startup company that is developing a specific type of wind power generator without rotating blades or lubricants. [1] Power is produced from resonant vibrations when wind passes through the turbine and is deflected into vortices in a process called vortex shedding.
PHEDRA is a plasma ground test facility used to simulate low pressure flight conditions in the upper layer of the planetary atmospheres. An arc-jet generator operates in a cylindrical chamber of 1;1 m in diameter and 4.3 m length, pumped with 3 primary pumps and 3 Roots pumps, which capacity (27 000 m3/h) insures a residual pressure ranged between 1 and 100 Pa. Different working gases can be ...
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