A Program To Induce High Blast Induced Airloads And Structural Response Of Lifting Surfaces
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Author | : R. L. Jarvis |
Publisher | : |
Total Pages | : 521 |
Release | : 1964 |
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Six experiments were conducted to measure the transient character of the airloads induced by the interaction of blast generated shock waves on a moving airfoil. The tests were conducted on a rigid (airloads) model of swept planform, similar in type to a B47/B52 aircraft. Airfoil motion was simulated by the shock tube which produced a jet flow of Mach 0.7. Shock waves were generated by explosive charges which were varied in sized and proximity to obtain airloads on the wing that changed both the angle of attack and blast duration through a range from small to large. The wing specimens were heavily instrumented with pressure transducers to measure the time history of the variation in the airloads. Response of the wing to the airloads was measured by strain gages and accelerometers. Pressure instrumentation was also used to measure the character of the blast environment. Blast parameters were varied to obtain induced airloads with nominal values for the angle of attack of 8, 20 and 30 degrees. At each of these angles of attack, an experiment was run with a short and long duration shock wave to study the effect of decay rate on the airloads. (Author).
Author | : R. L. Jarvis |
Publisher | : |
Total Pages | : 404 |
Release | : 1964 |
Genre | : |
ISBN | : |
High blast-induced airloads and the structural response of lifting surfaces are investigated for determining aircraft vulnerability and safety. Of major interest is the case where the primary structure of the lifting surface undergoes deformations of an inelastic nature. Structural response prediction methods, for completely elastic reponse conditions, are well documented and quite reliable. However, the methods of evaluating the structural response must be extended into the inelastic region and verified through the use of experimentally collected datat. The structural response of F-84 horizontal stabilizers mounted on a rocket sled and exposed to a high explosive blast was photographically recorded. (Author).
Author | : |
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Total Pages | : 292 |
Release | : 1964 |
Genre | : Science |
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Author | : I. O. Wolf |
Publisher | : |
Total Pages | : 245 |
Release | : 1965 |
Genre | : Blast effect |
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Author | : |
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Total Pages | : 1134 |
Release | : 1989 |
Genre | : Aeronautics |
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Author | : Joseph Adams Shortal |
Publisher | : |
Total Pages | : 808 |
Release | : 1978 |
Genre | : Aeronautics |
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Author | : Wayne Robert Johnson |
Publisher | : |
Total Pages | : 197 |
Release | : 1970 |
Genre | : Aerodynamic load |
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Author | : |
Publisher | : |
Total Pages | : 1336 |
Release | : 1964-10 |
Genre | : Science |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 580 |
Release | : 1991 |
Genre | : Aeronautics |
ISBN | : |
Author | : Acoustical Society of America |
Publisher | : |
Total Pages | : 1116 |
Release | : 1971 |
Genre | : Sound |
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