Worst case of thermal control analysis on satellite

Abstract

One aspect that affects the space spectrum is the space vacuum environment. Because to achieve the satellite mission, the thermal control system (TCS) analysis is needed. TCS is one of the sub-systems in the development of the design of a satellite whose task is to control the state of the satellite so that the satellite mission can be achieved as desired. Space environments have temperatures up to 125°C give affect satellite performance. Therefore, TCS management is needed in a robust, modular, and scalable manner so that the mission carried out by a satellite can be successful. TCS satellite management can be grouped into two groups, passive and active. Passive TCS is used in this paper with absorptivity and emissivity value for the optical properties material. Two scenarios carried out in the TCS satellite are the worst hot and cold cases. The internal power dissipation was used for the comparison temperature satellite with three conditions of solar radiation, at the vernal equinox, winter solstice, and summer solstice. Using these two cases, various design parameters were evaluated; two worst-case design approaches were calculated.