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The Effect Of Variable Gravity On The Cooling Performance Of A Partially-Confined Fc-72 Spray, Travis Edward Michalak
The Effect Of Variable Gravity On The Cooling Performance Of A Partially-Confined Fc-72 Spray, Travis Edward Michalak
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This thesis discusses the effects of a variable-gravity environment on the performance of a subcooled partially-confined spray. An experiment, consisting of a test chamber, the associated flow loops, and instrumentation, was fabricated and flown on the NASA Reduced-Gravity Testing Platform. This modified KC-135 aircraft followed a parabolic flight path to provide various acceleration levels. The spray chamber contained two opposing nozzles spraying onto Thick Film Resistor (TFR) heaters, which were mounted on insulating glass pedestals. Only the upward facing heater was used during this testing. Thermocouples under the heater in the glass pedestal were used to determine the heater surface …