THE HYPERSONIC AREA RULE
FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OH
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The hypersonic area rule has been formulated in a work and in a hypothesis that all the mass of a gas is concentrated in an infinitely thin layer contiguous to the shock wave. According to that rule, when thin non- axially-symmetrical blunt bodies with the same bluntness drag values and the same laws of transverse area change in the direction of the stream and are subjected to flow, the shock-wave surfaces, the laws of pressure change, and the forces of resistance acting on the body coincide. In this process the surfaces of the shock waves have axial symmetry.
- Fluid Mechanics