Heat-Transfer Tests on the Rockwell International Space Shuttle Orbiter with and without Simulated Protuberances
Final rept. 1 Mar-31 Jul 1974
ARNOLD ENGINEERING DEVELOPMENT CENTER ARNOLD AFB TN
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Aerothermodynamic tests on the forward half of the Rockwell International Space Shuttle Orbiter Configuration 140C were conducted at Mach number 8. The phase-change paint and thin-skin thermocouple techniques were used to determine the aerodynamic heating rates on the Orbiter models during simulated atmospheric reentry. Smooth 0.04-scale models and models with scaled protuberances and indentations which simulated the windshields, cargo bay door hinges, vents, and thruster nozzles were tested over an angle-of-attack range from 20 to 45 deg at yaw angles from -5 to 5 deg and at Reynolds numbers, based on the total Orbiter scaled length, from 2.15 to 15.9 million. Comparisons of the model heat-transfer rates obtained with a smooth surface and with scaled protuberances are presented.
- Unmanned Spacecraft
- Spacecraft Trajectories and Reentry