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NASA Technical Note
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Annual Report - National Advisory Committee for Aeronautics
Includes the Committee's Technical reports no. 1-1058, reprinted in v. 1-37.
Report
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Facing the Heat Barrier
Hypersonics is the study of flight at speeds where aerodynamic heating dominates the physics of the problem. Typically this is Mach 5 and higher. Hypersonics is an engineering science with close links to supersonics and engine design. Within this field, many of the most important results have been experimental. The principal facilities have been wind tunnels and related devices, which have produced flows with speeds up to orbital velocity. Why is it important? Hypersonics has had two major applications. The first has been to provide thermal protection during atmospheric entry. Success in this enterprise has supported ballistic-missile nose cones, has returned strategic reconnaissance photos ...
Annual Report
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