Aerodynamic predictions and experimental results for an Advanced Manned Launch System orbiter configuration
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The results from a series of wind-tunnel tests are presented along with predictions of the aerodynamic characteristics for a proposed Advanced Manned Launch System orbiter configuration. The predicted characteristics were made using the Aerodynamic Preliminary Analysis System (APAS), and were shown to be of sufficient accuracy for use in preliminary configuration analysis. Various methods of analysis were used in the APAS system, and the results of each were compared with the wind-tunnel dam. The accuracy of the predicted data varied over the Mach range studied. The best agreement between the wind-tunnel data and the APAS predictions occurr4ed in the low subsonic and the high supersonic regimes, while the low supersonic predictions resulted in only fair agreement. The APAS paneled-body analysis method (low speed) and the HABP impact analysis method (high speed) gave the most accurate results when compared against the experimental data.