Research Article
On-Orbit Thermal Design and Validation of 1 U Standardized CubeSat of STEP Cube Lab
Table 5
Summary of material properties used in the analysis.
| | Component | Material | Density [kg/m3] | Thermal conductivity [W/m-K] | Specific heat [J/kg/K] |
| | Structure | Al6061-T6 | 2700 | 171 | 920 |
| | PCB | FR4 | 1900 | 0.1 | 1200 |
| | Solar cell | ITO-GaAs | 5316 | 46.05 | 350 |
| | Battery | Lithium-ion | 3.045 | 0.09 | 879.2 |
| | Delrin | Acetal homopolymer | 1410 | 0.4 | — |
| | MEMS thruster | Quartz glass | 2210 | 1.5 | 0.198 |
| | SEC | PMMA | 1190 | 0.21 | 1470 |
| | Radiator | Stainless steel | 8030 | 16.2 | 500 |
| | MLI | Aluminized Kapton/Myler | 350 | 4.2 at −100°C
6.3 at −50°C
9.2 at 0°C
13.2 at 50°C
16.0 at 75°C
18.8 at 100°C | — |
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