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http://dx.doi.org/10.20910/JASE.2022.16.5.86

Thermal Characteristics Investigation of Spaceborne Mesh Antenna with Dual-parabolic Surfaces  

Kim, Hye-In (Department of Smart Vehicle System Engineering, Chosun University)
Chae, Bong-Geon (STEP Lab Ltd.)
Oh, Hyun-Ung (Department of Smart Vehicle System Engineering, Chosun University)
Publication Information
Journal of Aerospace System Engineering / v.16, no.5, 2022 , pp. 86-93 More about this Journal
Abstract
Generally, a deployable solar panel is used primarily to achieve sufficient power output to perform the mission. However, temperature distribution on the antenna reflector may increase due to the shading effect induced by the presence of the deployable solar panels. Appropriate thermal design is critical to minimize the thermal deformation of the mesh antenna reflector in harsh on-orbit thermal environments to ensure remote frequency (RF) performance. In this paper, we proposed a dual-surface primary reflector consisting of a mesh antenna and a flexible fabric membrane sheet. This design strategy can contribute to thermal stabilization by using a flexible solar panel on the rear side of membrane sheet to reduce the temperature distribution caused by the deployable solar panel. The effectiveness of the mesh antenna design strategy investigates through on-orbit thermal analysis.
Keywords
Mesh Antenna; Thermal Design; On-orbit Thermal Analysis; Deployable Solar Panel;
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