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Thermal Transport Subsystems Toy Ball System,100g Payload John Dixon COM GL, Loco PL [John Dixon] [COM GL] 1
System Description [John Dixon] [COM GL] • N2 gas @ 1 atminside Toy Ball Enclosure • Mass of N2 gas = 0.01023 kg • Temp of N2 gas = 0 oC (273.15K) • Total Heat Dissipation • Z-93 White Paint Coating (α = 0.17) • Qsun = 5384.435 J • Qelectronics= 1060 J • Qtotal = 6444.435 J • Total Energy Rate Into System = 13.426 W 2
Thermal Transport Over Time • Steady State Equilibrium Occurs at ~50 seconds • Total Temperature Rise Over 8 min = 0.7K [John Dixon] [COM GL] 3
Backup Slide 1 [John Dixon] [COM GL] 4
Backup Slide 2 [John Dixon] [COM GL] 5