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Old 10-03-2019, 09:04 AM   #32 (permalink)
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Plasma is such a drag.


Plasma sheath

As altitude increases, the electrical resistance of air decreases according to Paschen's law. The air at the nose of Ayaks is ionized. Besides e-beams and HF pulse discharges, a high voltage is produced by the Hall effect in the MHD generator that allows a planar glow discharge to be emitted from the sharp nose of the aircraft and the thin leading edges of its wings, by a St. Elmo's fire effect. Such a plasma cushion in front and around the aircraft offers several advantages:[35][36][2]

The ionized air becomes electrically conductive, which allows the MHD generator to work and decelerate the flow down to the air-breathing jet engines.

The MHD-controlled inlet ramp allows to vector the flow as a shock-on-lip without physical inlet cones.

Electric charges mixed with the fuel increase the combustion effectiveness.

The bow shock wave is detached further ahead of the aircraft, the energy deposition in this region acting as a virtual blunted nose, although the nose stays physically very sharp. This minimizes the heat flux on materials.[35]

The temperature gradient in the air is locally modified, hence the speed of sound value, which mitigates and softens the shock wave. This lowers thermal effects on materials further, as well as the wave drag.[37][38][35]

The plasma cocoon surrounding the whole aircraft gives plasma stealth. Combined with hypersonic speeds and maneuverability, such a platform would be very difficult to detect, track and target
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1977 Porsche 911s Targa
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Last edited by kach22i; 10-03-2019 at 11:12 AM..
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