Model of Spacecraft Atomic Oxygen and Solar Exposure Microenvironments
Model of Spacecraft Atomic Oxygen and Solar Exposure Microenvironments
- Neue Suche nach: R. J. Bourassa
- Neue Suche nach: H. G. Pippin
- Neue Suche nach: R. J. Bourassa
- Neue Suche nach: H. G. Pippin
Computer models of environmental conditions in Earth orbit are needed for the following reasons: (1) derivation of material performance parameters from orbital test data, (2) evaluation of spacecraft hardware designs, (3) prediction of material service life, and (4) scheduling spacecraft maintenance. To meet these needs, Boeing has developed programs for modeling atomic oxygen (AO) and solar radiation exposures. The model allows determination of AO and solar ultraviolet (UV) radiation exposures for spacecraft surfaces (1) in arbitrary orientations with respect to the direction of spacecraft motion, (2) overall ranges of solar conditions, and (3) for any mission duration. The models have been successfully applied to prediction of experiment environments on the Long Duration Exposure Facility (LDEF) and for analysis of selected hardware designs for deployment on other spacecraft. The work on these models has been reported at previous LDEF conferences. Since publication of these reports, a revision has been made to the AO calculation for LDEF, and further work has been done on the microenvironments model for solar exposure.
Dokumentinformationen
Model of Spacecraft Atomic Oxygen and Solar Exposure Microenvironments
1993
10 pages
Report
Keine Angabe
Englisch
Space Technology , Earth orbital environments , Environment models , Long duration exposure facility , Oxygen atoms , Radiation effects , Solar radiation , Computerized simulation , Radiation dosage , Service life , Spacecraft construction materials , Spacecraft design , Ultraviolet radiation , Solar activity , Spacecraft motion
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