Table 9. Analysis result of HiREV designed by MLI coating on hot case (mission mode)
Results (°C) | Worst hot case - mission mode (MLI coating) |
Components | Limit Tmin | Margin | Analysis Tmin | Analysis Tmax | Margin | Limit Tmax |
OBC | –40 | 77 | 37 | 55 | 30 | 85 |
Solar panel | –100 | 37 | –63 | 97.5 | 27.5 | 125 |
EPS board | –40 | 62 | 22 | 37 | 48 | 85 |
Battery | –10 | 30.5 | 20.5 | 29.5 | 20.5 | 50 |
Reaction wheel | –40 | 62 | 22 | 41.5 | 43.5 | 85 |
Star tracker | –25 | 42 | 17 | 44 | 6 | 50 |
GPS R | –40 | 61 | 21 | 36 | 49 | 85 |
GPS A | –40 | 21.5 | –18.5 | 46 | 39 | 85 |
Magnetorquer | –40 | 42.5 | 2.5 | 14.5 | 55.5 | 70 |
UV transceiver | –40 | 42 | 2 | 10 | 75 | 85 |
UV antenna | –40 | 24.5 | –15.5 | 28 | 42 | 70 |
S-band transceiver | –40 | 42.5 | 2.5 | 8 | 42 | 50 |
S-band antenna | –40 | 24.5 | –15.5 | 28 | 92 | 120 |
Camera lens | –40 | 47.3 | 7.3 | 10.85 | 69.15 | 80 |
Camera module | –40 | 44.65 | 4.65 | 17.5 | 62.5 | 80 |
Payload OBC | –40 | 58 | 18 | 45 | 40 | 85 |
Ethernet switch | –40 | 50 | 10 | 59 | 26 | 85 |
HiREV, high resolution video and image.