Follow-up investigations of GPHS motion during heat pulse intervals of reentries from gravity-assist trajectories
Motion studies of the General Purpose Heat Source Module, GPHS, which were conducted in the heat pulse intervals associated with entries from earth gravity assist trajectories. The APL six-degree-of-freedom reentry program designated TMAGRA6C was used. The objectives of the studies were to (1) determine whether the GPHS module entering the earth's atmosphere from an earth-gravity-assist trajectory has a preferred orientation during the heat pulse of reentry, (2) determine the effect of magnus force on the roll rate and angle of attack of the GPHS during an EGA entry, (3) determine the effect of the magnitude of pitch and roll damping on the GPHS motion.
- Research Organization:
- Johns Hopkins Univ., Laurel, MD (United States). Applied Physics Lab.
- Sponsoring Organization:
- USDOE; USDOE, Washington, DC (United States)
- DOE Contract Number:
- AI01-88NE32140
- OSTI ID:
- 6365933
- Report Number(s):
- DOE/NE/32140-22; JHU/APL-ANSP-M-22; ON: DE93013816
- Country of Publication:
- United States
- Language:
- English
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30 DIRECT ENERGY CONVERSION
RADIOISOTOPE HEAT SOURCES
SAFETY
REENTRY VEHICLES
AERODYNAMICS
HEATING
ABLATION
DEGREES OF FREEDOM
TRAJECTORIES
FLUID MECHANICS
HEAT SOURCES
MECHANICS
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NESDPS Office of Nuclear Energy Space and Defense Power Systems
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300300 - Thermoelectric Generators