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THE EFESTO PROJECT: FLEXIBLE TPS DESIGN AND TESTING FOR ADVANCED EUROPEAN RE-ENTRY SYSTEM BASED ON INFLATABLE HEAT SHIELDS

Schleutker, Thorn und Esser, Burkard und Gülhan, Ali und Verant, Jean-Luc und Dellinger, Nicolas und Dauvois, Yann und Gambacciani, Giovanni und Guidotti, Giuseppe und Governale, Giuseppe (2022) THE EFESTO PROJECT: FLEXIBLE TPS DESIGN AND TESTING FOR ADVANCED EUROPEAN RE-ENTRY SYSTEM BASED ON INFLATABLE HEAT SHIELDS. 2nd International Conference on Flight Vehicles, Aerothermodynamics and Re-entry Missions & Engineering (FAR), 2022-06-19 - 2022-06-23, Heilbronn, Deutschland.

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Kurzfassung

The European Union H2020 project EFESTO has been implemented with the main objective to improve the technology readiness level (TRL) of flexible inflatable heat shields for re-entry vehicles in Europe from 3 to 4 or 5. For this purpose, two reference missions with atmospheric entry to Earth and Mars were selected. Both missions were designed to make best use of the Hypersonic Inflatable Aerodynamic Decelerator (HIAD) concept. Multidisciplinary design loops allowed prediction of the entry flight trajectory and identification of the aerothermodynamic environment on the exterior of the system. These results were the primary inputs to the design and testing of the Flexible Thermal Protection System (FTPS) layup and the underlying inflatable structure. This paper provides an insight into the efforts related to design, testing and numerical modelling of the FTPS for both applications. Advanced flexible materials were selected, some of which never had been considered in Europe before. These materials allow for a significant improvement upon previous design in system weight and maximum heat loads. Several multi-layer layups were developed for both applications, each of them allowing to keep the surface temperature below the material-specific upper limit. The most promising layups were selected for experimental simulation in DLR's arc-heated facilities LBK at flight relevant high-enthalpy conditions in realistic thermochemical environment. This testing covered both stagnation flow and tangential flow conditions in Mars and Earth atmospheres. Extensive numerical efforts were carried out to perform test rebuilding and allow cross-correlation between numerical and experimental simulations. The numerical models were calibrated with the wind tunnel data and further assisted in the analysis of the experimental results and the derivation of material specific properties and uncertainties. The project allowed to validate numerical models and simulations tools. This enables Europe to reliably design FTPS layups in future initiatives in the strategic field of re-entry solutions based on inflatable heat shields. This project has received funding from the European Union’s Horizon 2020 research and innovation program under grant agreement No 821801.

elib-URL des Eintrags:https://elib.dlr.de/191471/
Dokumentart:Konferenzbeitrag (Vortrag)
Titel:THE EFESTO PROJECT: FLEXIBLE TPS DESIGN AND TESTING FOR ADVANCED EUROPEAN RE-ENTRY SYSTEM BASED ON INFLATABLE HEAT SHIELDS
Autoren:
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID-iDORCID Put Code
Schleutker, ThornThorn.Schleutker (at) dlr.dehttps://orcid.org/0000-0002-1833-2850NICHT SPEZIFIZIERT
Esser, BurkardBurkard.Esser (at) dlr.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Gülhan, AliAli.Guelhan (at) dlr.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Verant, Jean-LucONERANICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Dellinger, NicolasONERANICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Dauvois, YannONERANICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Gambacciani, GiovanniAVIOSPACE SRLNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Guidotti, GiuseppeDEIMOS Space S.L.U, SpainNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Governale, GiuseppePolitecnico di TorinoNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Datum:2022
Referierte Publikation:Nein
Open Access:Ja
Gold Open Access:Nein
In SCOPUS:Nein
In ISI Web of Science:Nein
Status:veröffentlicht
Stichwörter:FTPS, Flexible TPS, Heat Shield
Veranstaltungstitel:2nd International Conference on Flight Vehicles, Aerothermodynamics and Re-entry Missions & Engineering (FAR)
Veranstaltungsort:Heilbronn, Deutschland
Veranstaltungsart:internationale Konferenz
Veranstaltungsbeginn:19 Juni 2022
Veranstaltungsende:23 Juni 2022
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Raumfahrt
HGF - Programmthema:keine Zuordnung
DLR - Schwerpunkt:Raumfahrt
DLR - Forschungsgebiet:R - keine Zuordnung
DLR - Teilgebiet (Projekt, Vorhaben):R - keine Zuordnung
Standort: Köln-Porz
Institute & Einrichtungen:Institut für Aerodynamik und Strömungstechnik > Über- und Hyperschalltechnologien, KP
Hinterlegt von: Schleutker, Thorn
Hinterlegt am:12 Dez 2022 11:04
Letzte Änderung:24 Apr 2024 20:52

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