Effect of Clouds on Optical Imaging of the Space Shuttle During the Ascent Phase: A Statistical Analysis Based on a 3D Model
Effect of Clouds on Optical Imaging of the Space Shuttle During the Ascent Phase: A Statistical Analysis Based on a 3D Model
- Neue Suche nach: FROM
- Neue Suche nach: Short, David A.
- Neue Suche nach: Lane, Robert E., Jr.
- Neue Suche nach: Winters, Katherine A.
- Neue Suche nach: Madura, John T.
- Neue Suche nach: FROM
- Neue Suche nach: Short, David A.
- Neue Suche nach: Lane, Robert E., Jr.
- Neue Suche nach: Winters, Katherine A.
- Neue Suche nach: Madura, John T.
Clouds are highly effective in obscuring optical images of the Space Shuttle taken during its ascent by ground-based and airborne tracking cameras. Because the imagery is used for quick-look and post-flight engineering analysis, the Columbia Accident Investigation Board (CAIB) recommended the return-to-flight effort include an upgrade of the imaging system to enable it to obtain at least three useful views of the Shuttle from lift-off to at least solid rocket booster (SRB) separation (NASA 2003). The lifetimes of individual cloud elements capable of obscuring optical views of the Shuttle are typically 20 minutes or less. Therefore, accurately observing and forecasting cloud obscuration over an extended network of cameras poses an unprecedented challenge for the current state of observational and modeling techniques. In addition, even the best numerical simulations based on real observations will never reach "truth." In order to quantify the risk that clouds would obscure optical imagery of the Shuttle, a 3D model to calculate probabilistic risk was developed. The model was used to estimate the ability of a network of optical imaging cameras to obtain at least N simultaneous views of the Shuttle from lift-off to SRB separation in the presence of an idealized, randomized cloud field.
Dokumentinformationen
Effect of Clouds on Optical Imaging of the Space Shuttle During the Ascent Phase: A Statistical Analysis Based on a 3D Model
American Meteorological Society 11th Conference on Aviation, Range, and Aerospace Meteorology ; 2004 ; Hyannis, MA, United States
2004-10-04
Aufsatz (Konferenz)
Keine Angabe
Englisch
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