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Strauss, Friedolin and General, Stephan and Manfletti, Chiara and Schlechtriem, Stefan (2018) Shock-Boundary Layer Interaction Phenomena in a Hydrogen Transpiration Cooled Supersonic Combustion Ramjet (Scramjet). In: FAR 2019. International Conference on Flight Vehicles, Aerothermodynamics and Re-Entry Missions & Engineering, 30. Sep. - 03. Okt. 2019, Monopoli, Italien.
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Abstract
Cooling experiments are performed by the DLR Institute of Space Propulsion, applying a transpiration cooling system to a scramjet model combustion chamber. Hydrogen coolant is injected through different porous wall samples made of sintered stainless steel into a Mach 2.5 hot gas main flow. Different inlet conditions, as well as the response of the transpiration cooling to a shock impingement caused by a 9.3° half wedge at different lateral positions, are investigated by means of Background Oriented Schlieren (BOS). Results show good transpiration cooling efficiency, which is governed by the impinging shock and its position. Limitations of this cooling approach and the encountered flow phenomena are also discussed.
| Item URL in elib: | https://elib.dlr.de/130007/ | |||||||||||||||
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| Document Type: | Conference or Workshop Item (Speech) | |||||||||||||||
| Title: | Shock-Boundary Layer Interaction Phenomena in a Hydrogen Transpiration Cooled Supersonic Combustion Ramjet (Scramjet) | |||||||||||||||
| Authors: |
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| Date: | 3 October 2018 | |||||||||||||||
| Journal or Publication Title: | FAR 2019 | |||||||||||||||
| Refereed publication: | Yes | |||||||||||||||
| Open Access: | No | |||||||||||||||
| Gold Open Access: | No | |||||||||||||||
| In SCOPUS: | No | |||||||||||||||
| In ISI Web of Science: | No | |||||||||||||||
| Status: | Published | |||||||||||||||
| Keywords: | Transpiration Cooling, Fluid Dynamics, Thermodynamics, Scramjet, Hypersonics, High-Speed Air Breathing Propulsion, Ground Testing | |||||||||||||||
| Event Title: | International Conference on Flight Vehicles, Aerothermodynamics and Re-Entry Missions & Engineering | |||||||||||||||
| Event Location: | Monopoli, Italien | |||||||||||||||
| Event Type: | international Conference | |||||||||||||||
| Event Dates: | 30. Sep. - 03. Okt. 2019 | |||||||||||||||
| Organizer: | ESA - European Space Agency | |||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | |||||||||||||||
| HGF - Program: | Space | |||||||||||||||
| HGF - Program Themes: | other | |||||||||||||||
| DLR - Research area: | Raumfahrt | |||||||||||||||
| DLR - Program: | R - no assignment | |||||||||||||||
| DLR - Research theme (Project): | R - no assignment | |||||||||||||||
| Location: | Lampoldshausen | |||||||||||||||
| Institutes and Institutions: | Institute of Space Propulsion | |||||||||||||||
| Deposited By: | Strauss, Friedolin | |||||||||||||||
| Deposited On: | 31 Oct 2019 14:48 | |||||||||||||||
| Last Modified: | 31 Oct 2019 14:48 |
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