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Surujhlal, Divek and Ponchio Camillo, Giannino and Wagner, Alexander (2019) Distributed Roughness-Induced Transition in a Hypersonic Boundary-Layer on a Cone. 19. STAB-Workshop, 5.-6.11.2019, Göttingen, Germany.
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Abstract
This paper details the experimental study of roughness-induced boundary-layer transition in a hypersonic flow of moderate-enhalpy (i.e., 3.4 MJ/kg) on a 7-degree half-angle cone tested in the Hochenthalpiekanal Göttingen (HEG) at Mach 7.4. The cone model used has two different sides: one side is of a polished stainless steel finish; the other side consists of a porous insert. This work focuses on initial results obtained for the polished metal surface. Given the facility-dependent nature of experimental evaluation of distributed roughness-induced transition, the results obtained form part of a database collection for the HEG facility. These are to be used in a forthcoming shock-wave turbulent boundary-layer interaction campaign.
| Item URL in elib: | https://elib.dlr.de/130141/ | ||||||||||||||||
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| Document Type: | Conference or Workshop Item (Speech) | ||||||||||||||||
| Title: | Distributed Roughness-Induced Transition in a Hypersonic Boundary-Layer on a Cone | ||||||||||||||||
| Authors: |
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| Date: | 5 November 2019 | ||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||
| Open Access: | No | ||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||
| Status: | Published | ||||||||||||||||
| Keywords: | hypersonic, rougness induced transition, HEG, Transition control | ||||||||||||||||
| Event Title: | 19. STAB-Workshop | ||||||||||||||||
| Event Location: | Göttingen, Germany | ||||||||||||||||
| Event Type: | Workshop | ||||||||||||||||
| Event Dates: | 5.-6.11.2019 | ||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||||||
| HGF - Program: | Space | ||||||||||||||||
| HGF - Program Themes: | Space Transportation | ||||||||||||||||
| DLR - Research area: | Raumfahrt | ||||||||||||||||
| DLR - Program: | R RP - Space Transportation | ||||||||||||||||
| DLR - Research theme (Project): | R - Wiederverwendbare Raumfahrtsysteme (old) | ||||||||||||||||
| Location: | Göttingen | ||||||||||||||||
| Institutes and Institutions: | Institute for Aerodynamics and Flow Technology > Spacecraft, GO | ||||||||||||||||
| Deposited By: | Wagner, Alexander | ||||||||||||||||
| Deposited On: | 08 Nov 2019 16:31 | ||||||||||||||||
| Last Modified: | 29 Mar 2023 00:43 |
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