General purpose heat source task group. Final report
The results of thermal analyses and impact tests on a modified design of a /sup 238/Pu-fueled general purpose heat source (GPHS) for spacecraft power supplies are presented. This work was performed to establish the safety of a heat source with pyrolytic graphite insulator shells located either inside or outside the graphite impact shell. This safety is dependent on the degree of aerodynamic heating of the heat source during reentry and on the ability of the heat source capsule to withstand impact after reentry. Analysis of wind tunnel and impact test data result in a recommended GPHS design which should meet all temperature and safety requirements. Further wind tunnel tests, drop tests, and impact tests are recommended to verify the safety of this design. (LCL)
- Research Organization:
- General Electric Co., Philadelphia, PA (USA). Valley Forge Space Center
- DOE Contract Number:
- AC01-79ET32043
- OSTI ID:
- 5913442
- Report Number(s):
- DOE/ET/32043-T15; ON: DE81024218
- Country of Publication:
- United States
- Language:
- English
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07 ISOTOPE AND RADIATION SOURCES
070300* -- Isotopic Power Supplies
AERODYNAMICS
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DESIGN
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NESDPS Office of Nuclear Energy Space and Defense Power Systems
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070300* -- Isotopic Power Supplies
AERODYNAMICS
CAPSULES
CARBON
CONTAINERS
DESIGN
ELECTRONIC EQUIPMENT
ELEMENTS
ENERGY TRANSFER
EQUIPMENT
FLUID MECHANICS
GRAPHITE
HEAT SOURCES
HEAT TRANSFER
HEATING
IMPACT SHOCK
IMPACT TESTS
IRIDIUM
MATERIALS TESTING
MECHANICAL TESTS
MECHANICS
METALS
NESDPS Office of Nuclear Energy Space and Defense Power Systems
NONMETALS
PLATINUM METALS
POWER SUPPLIES
RADIOISOTOPE HEAT SOURCES
REENTRY
REFRACTORY METALS
SAFETY
SHIELDS
SPACECRAFT POWER SUPPLIES
TESTING
THERMAL ANALYSIS
THERMAL SHIELDS
TRANSITION ELEMENTS