AAE450 Spring 2009 Thermal Transport Subsystems Toy Ball System,100g Payload John Dixon COM GL, Loco PL [John Dixon] [COM GL] 1.

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AAE450 Spring 2009 Thermal Transport Subsystems Toy Ball System,100g Payload John Dixon COM GL, Loco PL [John Dixon] [COM GL] 1

AAE450 Spring 2009 System Description  N 2 1 atm inside Toy Ball Enclosure –Mass of N 2 gas = kg –Temp of N 2 gas = 0 o C (273.15K)  Total Heat Dissipation –Z-93 White Paint Coating (α = 0.17) Q sun = J Q electronics = 1060 J Q total = J Total Energy Rate Into System = W [John Dixon] [COM GL] 2

AAE450 Spring 2009 Thermal Transport Over Time Steady State Equilibrium Occurs at ~50 seconds Total Temperature Rise Over 8 min = 0.7K [John Dixon] [COM GL] 3

AAE450 Spring 2009 Backup Slide 1 [John Dixon] [COM GL] 4

AAE450 Spring 2009 Backup Slide 2 [John Dixon] [COM GL] 5

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