Research Article

Thermal Analysis and Rigid-Flexible Coupling Dynamics of a Satellite with Membrane Antenna

Table 3

Thermal deformation of the membrane antenna structure.

Space heat flux (W/m2)Maximum deformation of the support frame (mm)Maximum deformation of the membrane array (mm)
direction direction direction direction direction direction

1831 (maximal heat flux in the low orbit)0.410.13020210
1089 (maximal heat flux in the high orbit)1.250.40011120
872.4 (average heat flux in the low orbit)4.081.3105.297.840
667.2 (average heat flux in the high orbit)3.811.2204.607.190
56.2 (minimal heat flux in the low orbit)175.58018140
1.04 (minimal heat flux in the high orbit)359.98025210