As well as the new technological problems they raise, projects of future hypersonic aircraft must retain acceptable aerodynamic characteristics within a very broad flight range, O.N.E.R.A. has undertaken an experimental wind tunnel study, including aerodynamic force measurements, on a number of simplified aircraft configurations capable of Mach 7, from the incompressible domain up to hypersonic speeds (Mach 5 and 7). This study included the influence of shapes resulting from the choice of different engine types - voluminous turbo-ramjet, or more discreet supersonic combustion ramjet - on the pitch and roll stability. Compatibility problems of internal and external flows are examined, especially those raised by highly deformable intakes and exhausts. (Author)
Stabilite et Controle D'avions (Stability and Control of Hypersonic Aircraft)
1971
16 pages
Report
No indication
English
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