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European Next Reusable Ariane (ENTRAIN): A Multidisciplinary Study on a VTVL and a VTHL Booster Stage

Stappert, Sven and Wilken, Jascha and Bussler, Leonid and Sippel, Martin and Karl, Sebastian and Klevanski, Josef and Hantz, Christian and Briese, Lale Evrim and Schnepper, Klaus (2019) European Next Reusable Ariane (ENTRAIN): A Multidisciplinary Study on a VTVL and a VTHL Booster Stage. In: Proceedings of the International Astronautical Congress, IAC. 70th International Astronautical Congress, 21.10-25.10.2019, Washington DC.

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Abstract

The recent success of the emerging private space companies SpaceX and Blue Origin in landing, recovering and relaunching reusable first stages have demonstrated the possibility of building reliable and low-cost reusable first stages. Thus, the importance for assessing whether such a reusable launch vehicle (RLV) could be designed and built in Europe has increased. Due to this renewed interest in RLVs, the German Aerospace Center (DLR) has initiated a study on reusable first stages named ENTRAIN (European Next Reusable Ariane). Within this study two return methods, respectively vertical take-off, vertical landing (VTVL) and vertical take-off, horizontal landing (VTHL) with winged stages, are investigated. The goal is to assess the impact of the return method on the launcher and to conduct a preliminary design of a possible future European RLV. In the first part of the study, which ended in 2018, a broad range of possible launcher designs considering different propellant combinations, engine cycles and staging velocities were investigated and compared. By the end of this part, the most promising VTVL stage such as the most promising VTHL stage were selected to be investigated in more detail. Those two concepts were subjected to a preliminary system design and performance estimation, coupled with an aerodynamic and aerothermodynamic investigation of the re-entry loads and their impact on the structure. Furthermore, analyses of the dynamic behavior of descending RLV stages are considered. With the know-how gained within this study, the design of both launchers shall be enhanced to a level that brings it closer to a viable future reusable European launcher.

Item URL in elib:https://elib.dlr.de/132865/
Document Type:Conference or Workshop Item (Speech)
Title:European Next Reusable Ariane (ENTRAIN): A Multidisciplinary Study on a VTVL and a VTHL Booster Stage
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Stappert, SvenSven.Stappert (at) dlr.dehttps://orcid.org/0000-0002-8425-2779
Wilken, JaschaJascha.Wilken (at) dlr.dehttps://orcid.org/0000-0001-5748-1261
Bussler, Leonidleonid.bussler (at) dlr.dehttps://orcid.org/0000-0002-0657-4086
Sippel, Martinmartin.sippel (at) dlr.dehttps://orcid.org/0000-0001-7356-7575
Karl, SebastianSebastian.Karl (at) dlr.dehttps://orcid.org/0000-0002-5558-6673
Klevanski, JosefJosef.Klevanski (at) dlr.deUNSPECIFIED
Hantz, Christianchristian.hantz (at) dlr.deUNSPECIFIED
Briese, Lale EvrimLale.Briese (at) dlr.deUNSPECIFIED
Schnepper, KlausKlaus.Schnepper (at) dlr.deUNSPECIFIED
Date:October 2019
Journal or Publication Title:Proceedings of the International Astronautical Congress, IAC
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
Status:Published
Keywords:RLV, VTVL, VTHL, ENTRAIN, Reusability, Re-entry
Event Title:70th International Astronautical Congress
Event Location:Washington DC
Event Type:international Conference
Event Dates:21.10-25.10.2019
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Transport
DLR - Research area:Raumfahrt
DLR - Program:R RP - Raumtransport
DLR - Research theme (Project):R - Raumfahrzeugsysteme - Systemanalyse Raumtransport, R - Wiederverwendbare Raumfahrtsysteme, R - Raumfahrzeugsysteme - Konzepte und Entwurf
Location: Bremen , Göttingen , Köln-Porz , Oberpfaffenhofen
Institutes and Institutions:Institute of Space Systems > Space Launcher Systems Analysis
Institute for Aerodynamics and Flow Technology > Spacecraft, GO
Institute for Aerodynamics and Flow Technology > Supersonoc and Hypersonic Technology
Institute of System Dynamics and Control > Space System Dynamics
Deposited By: Stappert, Sven
Deposited On:10 Jan 2020 09:17
Last Modified:23 Mar 2020 09:15

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