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Thermal Transport Subsystems

This document provides a detailed analysis of the thermal transport subsystems for a toy ball system designed to carry a 100g payload. It outlines key parameters such as the encapsulated N2 gas properties (mass = 0.01023 kg, temperature = 0°C) and detailing the total heat dissipation factors including solar and electronic energy contributions. The report highlights a total energy rate into the system of 13.426 W and discusses the system's performance under steady-state conditions achieved at approximately 50 seconds, with a temperature rise of 0.7K over an 8-minute duration.

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Thermal Transport Subsystems

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

  2. 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

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

  4. Backup Slide 1 [John Dixon] [COM GL] 4

  5. Backup Slide 2 [John Dixon] [COM GL] 5

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