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DNS of Mack-Mode Damping on Porous Coated Cones
Lüdeke, Heinrich and Viola, Wartemann (2011) DNS of Mack-Mode Damping on Porous Coated Cones. 4th European Conference for Aerospace Sciences, 4.-8. Jul. 2011, St. Petersburg, Russland.
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Abstract
The flow field over a 3° blunt cone is investigated with respect to a hypersonic stability analysis of the boundary-layer flow at Mach 6 with and without porous walls by comparing local DNS and LST data. The original boundary-layer profile is generated by a finite volume solver, using shock capturing techniques to generate an axisymmetric flow field. Local boundary-layer profiles are extracted from this flow field and hypersonic Mack-modes are superimposed for cone-walls with- and without a porous surface, used as a passive transition-reduction device. Special care is taken on curvature effects of the wall on the mode development over smooth and porous walls.
| Document Type: | Conference or Workshop Item (Speech, Paper) | ||||||
|---|---|---|---|---|---|---|---|
| Title: | DNS of Mack-Mode Damping on Porous Coated Cones | ||||||
| Authors: |
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| Date: | 04 July 2011 | ||||||
| Refereed publication: | No | ||||||
| In SCOPUS: | No | ||||||
| In ISI Web of Science: | No | ||||||
| Status: | Accepted | ||||||
| Keywords: | kegelströmung, DNS, Mack Moden, poröse Oberflächen, Transition | ||||||
| Event Title: | 4th European Conference for Aerospace Sciences | ||||||
| Event Location: | St. Petersburg, Russland | ||||||
| Event Type: | international Conference | ||||||
| Event Dates: | 4.-8. Jul. 2011 | ||||||
| Organizer: | Eucass | ||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||
| HGF - Program: | Raumfahrt | ||||||
| HGF - Program Themes: | R RP - Raumtransport | ||||||
| DLR - Research area: | Raumfahrt | ||||||
| DLR - Program: | R RP - Raumtransport | ||||||
| DLR - Research theme (Project): | R - Projekt IMENS-3C (old) | ||||||
| Location: | Braunschweig | ||||||
| Institutes and Institutions: | Institute of Aerodynamics and Flow Technology > Spacecraft | ||||||
| Deposited By: | Dr.-Ing. Heinrich Lüdeke | ||||||
| Deposited On: | 17 Nov 2011 09:00 | ||||||
| Last Modified: | 17 Nov 2011 09:00 |
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