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Shock-Boundary Layer Interaction Phenomena in a Hydrogen Transpiration Cooled Supersonic Combustion Ramjet (Scramjet)

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/
Document Type:Conference or Workshop Item (Speech)
Title:Shock-Boundary Layer Interaction Phenomena in a Hydrogen Transpiration Cooled Supersonic Combustion Ramjet (Scramjet)
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Strauss, Friedolinfriedolin.strauss (at) dlr.dehttps://orcid.org/0000-0002-1385-4326
General, StephanStephan.General (at) dlr.dehttps://orcid.org/0000-0001-5606-882X
Manfletti, ChiaraChiara.Manfletti (at) esa.intUNSPECIFIED
Schlechtriem, Stefanstefan.schlechtriem (at) dlr.dehttps://orcid.org/0000-0002-3714-9664
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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