SCALING OF ISOTHERMAL SIMPLE-SHAPED BODIES IN A TRANSIENT TEMPERATURE ENVIRONMENT
ARNOLD ENGINEERING DEVELOPMENT CENTER ARNOLD AFB TN
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Thermal modeling was performed with a flat plate, sphere, and cylinder. These aluminum bodies were located in a relatively close array. Electrical resistance heaters in the plate and sphere provided the external heat sources. The temperature distributions on the body surfaces were small enough to permit an isothermal assumption. A theoretical design analysis of the system was conducted and is discussed. Chamber testing consisted of eight continuous hours of 2-hr intervals of heating and cooling cycles in a pressure range of 0. 0000001 torr.
- Unmanned Spacecraft