Research Article

On-Orbit Thermal Design and Validation of 1 U Standardized CubeSat of STEP Cube Lab

Table 10

On-orbit temperature prediction after thermal design modification on the battery.

ComponentWithout MLI on the battery (°C)With MLI on the battery (°C)
Hot operationCold operationCold emergencyHot operationCold operationCold emergency

panel56.20−43.90−44.7556.88−44.12−44.29
panel49.89−33.64−34.5252.15−34.39−34.41
panel33.54−42.08−44.7533.52−41.90−43.06
panel−3.78−39.13−43.36−2.37−40.32−40.58
I/F board36.16−25.60−25.7737.96−25.51−25.75
GPS board15.67−8.19−8.8018.24−7.21−9.91
OBC board26.62−15.68−18.2127.30−15.53−16.10
Comm. board19.46−9.47−11.9820.35−9.55−10.83
Power board14.61−20.49−22.7618.32−20.47−21.20
Battery26.90−3.78−8.0727.812.641.84
MEMS30.96−26.77−30.4129.46−28.27−28.57
SEC58.20−35.20−36.1859.45−36.18−36.04
PCM19.52−7.18−9.3920.36−7.44−8.64
HRM17.252.03−0.2017.261.820.60