The results of wind tunnel investigations, analyses, and preliminary design efforts performed in order to show the feasibility of accomplishing supersonic free flight tests of deployable aerodynamic decelerators in the wake of an unsymmetrical forebody are described. The results show that the simulation of the wake of a nonaxisymmetric lifting body is feasible and practicable by integrating inflatable aft-appendages on an Arapaho C test vehicle and that the resultant modified vehicle retains the same test capabilities as the basic Arapaho C. The modified vehicle design also includes modifications required for compliance with Eglin AFB/Eglin Gulf Test Range safety criteria. Included are recommendations for further vehicle modifications that would improve the test capabilities of the basic Arapaho C test vehicle. A vehicle mockup was constructed to demonstrate feasibility of the approach and to preclude major assembly and actuation interference problems. (Author)
Establishment of an Unsymmetrical Wake Test Capability for Aerodynamic Decelerators. Volume I. Test Vehicle Design Modification
1968
222 pages
Report
No indication
English
Aircraft , Fluid Mechanics , Lifting reentry vehicles , Supersonic test vehicles , Deceleration , Wake , Supersonic characteristics , Feasibility studies , Free flight trajectories , Aerodynamic heating , Inflatable structures , Recovery , Drag parachutes , Design , Wind tunnel models , Aerodynamic decelerators , Arapaho C test vehicles
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