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Thermal Distortion Analysis for the Coronal Diagnostic Spectrometer
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English
Abstract
The Coronal Diagnostic Spectrometer (CDS) has a pointing requirement of 2 arcseconds, which corresponds to a thermal gradient restriction of 2°C across the optical bench. This paper shows the effect of a transient thermal environment on the pointing performance of the CDS optical bench in terms of thermally induced alignment errors of the optical components. Thermal analysis provides the temperature profiles of the optical bench as a function of various heater scenarios which serve as the load sets for the steady state, non-linear analyses, the results of which are nodal displacements and rotations.
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Citation
Moss, R. and Gabriel, S., "Thermal Distortion Analysis for the Coronal Diagnostic Spectrometer," SAE Technical Paper 951700, 1995, https://doi.org/10.4271/951700.Also In
References
- Harrison, RA “The CORONAL DIAGNOSTIC SPECTROMETER for SOHO: Scientific Report - Version 4.0,” Daresbury Rutherford Appleton Laboratory Internal Report 1991
- Kent, B Optical design engineer for CDS Daresbury Rutherford Appleton Laboratory Oxford, UK 1994
- Chin, JH “Spacecraft Thermal Modelling” International Journal For Numerical Methods In Engineering 35 1992