Discrete Roughness Transition for Hypersonic Flight Vehicles
Discrete Roughness Transition for Hypersonic Flight Vehicles
- New search for: S. A. Berry
- New search for: T. J. Horvath
- New search for: S. A. Berry
- New search for: T. J. Horvath
The importance of discrete roughness and the correlations developed to predict the onset of boundary layer transition on hypersonic flight vehicles are discussed. The paper is organized by hypersonic vehicle applications characterized in a general sense by the boundary layer: slender with hypersonic conditions at the edge of the boundary layer, moderately blunt with supersonic, and blunt with subsonic. This paper is intended to be a review of recent discrete roughness transition work completed at NASA Langley Research Center in support of agency flight test programs. First, a review is provided of discrete roughness wind tunnel data and the resulting correlations that were developed. Then, results obtained from flight vehicles, in particular the recently flown Hyper-X and Shuttle missions, are discussed and compared to the ground-based correlations.
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Discrete Roughness Transition for Hypersonic Flight Vehicles
2007
17 pages
Report
No indication
English
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Discrete-Roughness Transition for Hypersonic Flight Vehicles
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