Thermal Design Conception of China Brazil Earth Resources Satellite 911411

This paper describes some general aspects of the thermal design of CBERS satellite and presents a detailed analysis of the battery and its compartment.
The battery compartment is analysed, using mathematical modelling, to calculate the radiator area and heater power consumption. The battery internal temperature gradients are estimated, also using mathematical modelling, to verify the cells package design.
The thermal package PCTER, developed in INPE, was used to create the thermal model where the temperature distributions are predicted by a thermal analyser based on finite differences.


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