Civil Engineering Reference
In-Depth Information
Fig. 4.77
Basis
unit
block
stress
distribution
due
to
on-orbit
thermal
deformation
under
maximum average surface temperatures [
7
]
Fig. 4.78 Basis unit block displacement due to on-orbit thermal deformation under maximum
average surface temperatures [
7
]
The angular positioning deviation between any two equipments is calculated by
measuring the deviation angle between normal vectors for their mounting planes.
The deviation angle is determined by subtracting the measured angle after on-orbit
thermal deformation from the initial angle before deformation. The criterion used
to calculate the angular positioning deviation between precise equipment and the
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