Weather effects on ballistic vehicles during reentry
Abstract
The ABRES Shape Change Code (ASCCBO) was used to predict the surface ablation/erosion for a reentry vehicle of current sphere-cone design. The vehicle was analyzed with carbon GE-223, ATJ-S graphite and CMT graphite nosetips. Trajectories for each material were computed with the ASCCBO code in both clear air and in four weather environments. The effects of isolated ice particle layers at different altitudes were also considered. A total of four initial reentry conditions were studied for each material and weather. The trajectory parameters, vehicle shape change, increase in drag and resulting shortfall, due to hydrometeor erosion, are compared with the clear air results for each initial condition. The results show the degree of erosion predicted for the various cases and the weather effects on the vehicle trajectories.
- Publication:
-
American Institute of Aeronautics and Astronautics
- Pub Date:
- August 1982
- Bibcode:
- 1982atfm.conf.....T
- Keywords:
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- Ablative Nose Cones;
- Ballistic Vehicles;
- Meteorological Parameters;
- Reentry Physics;
- Trajectory Analysis;
- Weather;
- Aerodynamic Drag;
- Carbon;
- Computer Programs;
- Erosion;
- Graphite;
- Ice;
- Particle Trajectories;
- Reentry Trajectories;
- Surface Distortion;
- Astrodynamics