Simulation of Space Shuttle Atmospheric Re-Entry.
High speed in space are not the problem, there's no atmosphere. But start hitting trillions of of tiny particles in the upper atmosphere which created much friction and generated extremely heat.
The nose of the space shuttle is blunt, instead acute.
too intense. No matter how sleek the design, no known material can survive the heat for long.
Allen's solution was at first pretty radical. Rather than make the nose sharp and sleek at re-entry
atmosphere, he said to make it blunt un-aerodynamic.
You can see the shock wave clearly. The air around the nose is compressed so much that forms
super-heat shock wave. The shock wave actually hit the wing which is quite dangerous and
temperatures are very high.
With the blunt nose, the shock waves miss the wings completely and deflect high-speed air away from the wings.
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