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Effective Emissivity Determination of Multilayer Insulation for Practical Spacecraft Application
Wiedemann, C. and Biering, B. and Lura, F. (1997) Effective Emissivity Determination of Multilayer Insulation for Practical Spacecraft Application. In: SAE Technical Paper Series, . 27th International Conference on Environmental Systems, Lake Tahoe, Nevada, July 14-17, 1997. ISBN ISSN0148-7191.
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Abstract
Multilayer Insulation (MLI) is used for thermal control of spacecraft (S/C). Built-in discontinuities degrade the performance of MLI blankets. In this paper the blanket properties are considered by defining an effective emissivity for the MLI covered S/C suface. The influence of covered area and the influence of number of layers on the effective emissivity is determined by experiments with simple MLI covered test bodies in a space simulation chamber. An equation for the calculation of the effective emissivity of Soviet EVTI-type MLI is presented. The tests are combined with investigations of thermal similarity.
| Document Type: | Conference or Workshop Item (Paper) | ||||||||
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| Additional Information: | LIDO-Berichtsjahr=1999, monograph_id=972354, | ||||||||
| Title: | Effective Emissivity Determination of Multilayer Insulation for Practical Spacecraft Application | ||||||||
| Authors: |
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| Date: | 1997 | ||||||||
| Journal or Publication Title: | SAE Technical Paper Series | ||||||||
| Page Range: | |||||||||
| Editors: |
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| ISBN: | ISSN0148-7191 | ||||||||
| Status: | Published | ||||||||
| Keywords: | Simulation of space environment, multilayer insulation, effective emissivity, thermal scaling, thermal similarity | ||||||||
| Event Title: | 27th International Conference on Environmental Systems, Lake Tahoe, Nevada, July 14-17, 1997 | ||||||||
| Organizer: | SAE | ||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||
| HGF - Program: | Space | ||||||||
| HGF - Program Themes: | W EO - Erdbeobachtung | ||||||||
| DLR - Research area: | Space | ||||||||
| DLR - Program: | W EO - Erdbeobachtung | ||||||||
| DLR - Research theme (Project): | UNSPECIFIED | ||||||||
| Location: | Berlin-Adlershof | ||||||||
| Institutes and Institutions: | Institute of Planetary Research > Institut für Weltraumsensorik | ||||||||
| Deposited By: | Ute Dombrowski | ||||||||
| Deposited On: | 16 Sep 2005 | ||||||||
| Last Modified: | 14 Jan 2010 16:07 |
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