スピン安定型静止通信衛星用中継器の放射熱抵抗に関する考察

概要

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As the conventional method was used on the themal design of communications satellite with specific mass and electrical power in the geostationary orbit for each satellite, it is difficult to design this the optimum heat power of communication transponders in a satellite. This paper describes the radiative thermal resistance which can be applied to determine the available heat dissipation power density of communication transponders for spin stabilized geostationary communications satellites equipped with either antenna or platform despun system. First, the heat transfer paths consisted of communications transponders panel, thermal shield, antenna support and solar panel are shown, and equivalent radiative thermal resistance circuits are clarified. Furthermore, the radiation cofiguration factor between each node is calculated and the lower limit of the space and surface thermal resistances are derivated. As a result, the lower limit of the radiative thermal resistance of the high power communications transponders system, which can be applied to design a future satellite, is obtained.
東海大学の論文