hypersonic speed sentence in Hindi
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- I don't agree with the label; but there can be no isolationists anywhere when a thermonuclear warhead can flash down from space at hypersonic speed to reach any spot on Earth minutes after its launching ".
- Augenstein also participated in a RAND study on the proposed National Aerospace Plane ( NASP or Rockwell X-30 ), a vehicle that could go into orbit as well as travel over intercontinental ranges at hypersonic speeds.
- Three X-43A's are to make hypersonic test flights over 18 months, starting on June 2, from Edwards Air Force Base, Calif . Hypersonic speeds are those above Mach 5, or five times the speed of sound.
- Coincidentally, the shape of the nose of an axisymmetric projectile that gives it the least possible aerodynamic drag at hypersonic speeds always has a meplat, the diameter of which depends on the length of the nose.
- His discoveries 40 years ago about the effects of structure on turbulent flow laid the foundation for him and fellow engineers to move from low-speed aerodynamics through high subsonic and on to supersonic and hypersonic speeds.
- He applied and generalized these theoretical developments to the design of early American spacecraft and ballistic missiles to enable their reentry into the earth s atmosphere without destruction from the high temperatures generated by their hypersonic speeds.
- An even larger booster took the missile to hypersonic speeds while still in the lower atmosphere, so the missile fuselage had to be covered over completely with a phenolic ablative heat shield to protect the airframe from melting.
- Unlike a rocket that quickly passes mostly vertically through the atmosphere or a turbojet or ramjet that flies at much lower speeds, a hypersonic airbreathing vehicle optimally flies a " depressed trajectory ", staying within the atmosphere at hypersonic speeds.
- The latest flight marks the end of NASA's Hyper-X Program, an effort that has used wind tunnel research, computer modeling and flight data to prove the possibility of flying at hypersonic speeds, those greater than five times the speed of sound.
- Thus jet engines, with a better match between speed and jet exhaust speed ( such as turbofans in spite of their worse \ eta _ c ) dominate for subsonic and supersonic atmospheric use, while rockets work best at hypersonic speeds.
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