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STEALTH  TECHNOLOGY Presented By   SUPREETH.S (4MH07ME047)  Mysore, karnataka
CONTENTS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
What is Stealth Technology ? ,[object Object],[object Object],[object Object],INTRODUCTION
HISTORY ,[object Object],[object Object],[object Object],[object Object],[object Object]
RADAR CROSS-SECTION REDUCTIONS Almost since the invention of radar, various techniques have been tried to minimize detection. Some of the techniques used for this purpose are: 1. vehicle shape 2. radar absorbing material
STEALTH VECHICLE SHAPES & DESIGN ,[object Object],[object Object],[object Object],[object Object],[object Object]
A corner reflector is a retroreflector consisting of three mutually perpendicular, intersecting flat surfaces, which reflects electromagnetic waves back towards the source.
[object Object],[object Object],Difference between conventional & stealth aircraft design
CASE STUDY ON NIGHTHAWK PLANES
Nighthawk design Crew  One Length  19.4m (63ft 9in) Height  3.9m (12ft 9in) Weight  23,625kg (52,500lb) Angle of Sweep of Delta Wing  67°
A:  Two imaging infrared turrets are recessed into the nose of the F-1 17. One looks forward to acquire targets; the other is on the underside and is used for tracking and laser designators . B:  The edges of the F-1 17's cockpit canopy, like all surfaces on the aircraft , have no right-angles-these are strong reflectors of radar. C:  The unique arrow shape of the F-117 is naturally unstable. Stability is maintained by computerized fly-by-wire controls. D:  Bombs are strong radar reflectors, so the F-1 17 carries its weapons internally. The bomb doors only open for a moment when the warload is released. E:  The Nighthawk's twin General Electric engines are buried deep in the fuselage. They have shallow exhausts, which cool and deflect the exhaust gases upward to minimize heat emissions. F:  it is kept at an angle in order to reduce the detected by the radar.
ENGINES OF THE AIRCRAFT ARE COVERED NORMAL FIGHTER PLANE SHOWING THE ENGINE
STEALTH AIRCRAFT WITHOUT EXHAUST EXHAUST PLUME OF A NORMAL PLANE
Sensors
[object Object],[object Object]
COCKPIT
[object Object],[object Object],[object Object],HEAD UP DISPLAY
FLIGHT MANAGEMENT
[object Object]
 
What is Radar Absorbing Materials (Stealth)?  Nanostructural composite  material, absorbing  without reflection radar wave. ,[object Object],[object Object]
B-2 STEALTH BOMBER
In this stealth the aircraft injects a stream of ionized gas which envelopes the aircraft due to which most of the radar wave are observe this make the aircraft completely invisible PLASMA STEALTH
ADVANTAGE ,[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],DISADVANTAGE
CONCLUSION  Stealth technology is a techniques used with Aircrafts, ships order to make them less visible to radar.  Need of Stealth Technology very importance in military field.
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
ANY QUERIES
THANK YOU

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Stealth technology(supreeth)

  • 2. STEALTH TECHNOLOGY Presented By   SUPREETH.S (4MH07ME047) Mysore, karnataka
  • 3.
  • 4.
  • 5.
  • 6. RADAR CROSS-SECTION REDUCTIONS Almost since the invention of radar, various techniques have been tried to minimize detection. Some of the techniques used for this purpose are: 1. vehicle shape 2. radar absorbing material
  • 7.
  • 8. A corner reflector is a retroreflector consisting of three mutually perpendicular, intersecting flat surfaces, which reflects electromagnetic waves back towards the source.
  • 9.
  • 10. CASE STUDY ON NIGHTHAWK PLANES
  • 11. Nighthawk design Crew One Length 19.4m (63ft 9in) Height 3.9m (12ft 9in) Weight 23,625kg (52,500lb) Angle of Sweep of Delta Wing 67°
  • 12. A:  Two imaging infrared turrets are recessed into the nose of the F-1 17. One looks forward to acquire targets; the other is on the underside and is used for tracking and laser designators . B:  The edges of the F-1 17's cockpit canopy, like all surfaces on the aircraft , have no right-angles-these are strong reflectors of radar. C:  The unique arrow shape of the F-117 is naturally unstable. Stability is maintained by computerized fly-by-wire controls. D:  Bombs are strong radar reflectors, so the F-1 17 carries its weapons internally. The bomb doors only open for a moment when the warload is released. E:  The Nighthawk's twin General Electric engines are buried deep in the fuselage. They have shallow exhausts, which cool and deflect the exhaust gases upward to minimize heat emissions. F:  it is kept at an angle in order to reduce the detected by the radar.
  • 13. ENGINES OF THE AIRCRAFT ARE COVERED NORMAL FIGHTER PLANE SHOWING THE ENGINE
  • 14. STEALTH AIRCRAFT WITHOUT EXHAUST EXHAUST PLUME OF A NORMAL PLANE
  • 16.
  • 18.
  • 20.
  • 21.  
  • 22.
  • 24. In this stealth the aircraft injects a stream of ionized gas which envelopes the aircraft due to which most of the radar wave are observe this make the aircraft completely invisible PLASMA STEALTH
  • 25.
  • 26.
  • 27. CONCLUSION  Stealth technology is a techniques used with Aircrafts, ships order to make them less visible to radar.  Need of Stealth Technology very importance in military field.
  • 28.