Echo TMM/GMM description and results technical note

Date Issued
2013
Author(s)
•
Abstract
This document describes the present status of the Thermal Mathematical Model (TMM) and Geometrical Mathematical Model (GMM) in preparation for the Instrument and PLM of the EChO mission proposal, candidate for the ESA M3 launch opportunity. The reduced model has been used to define and design the instrument internal and external thermal interfaces as well as to evaluate the general thermal behaviour in different boundary conditions. The PLM model is used to show the cold payload behaviour in the general frame work of the spacecraft, including possible heat leaks from the main sources in L2 (Earth, Sun) and will be the main reference for analysing and designing external thermal interfaces. The models are cross-correlated to verify the validity of the assumptions and to check the reliability of the results.
Volume
ECHO-TN-0001-IASFBO
Uri
Rights
open.access
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ECHO-TN-0001-IASFBO_TMM_GMM_Description_and_Results_Technical Note_Is1_0.pdf

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