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Re-entry and Flight Dynamics of a Winged Reusable First Stage

Stappert, Sven and Callsen, Steffen and Sippel, Martin (2022) Re-entry and Flight Dynamics of a Winged Reusable First Stage. In: 9th European Conference on Aeronautics and Space Sciences (EUCASS), 2022. 9th European Conference for Aeronatics and Space Sciences (EUCASS), 27.6.-01.07.2022, Lille, Frankreich.

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Reusing launch vehicle stages has the potential to reduce launch costs and is hence of high interest in the context of defining the next generation of European launch vehicles. Winged reusable first stages have been a focus of the system launcher analysis group at DLR in the past years. Using wings and other aerodynamic surfaces, the aerodynamic forces during re-entry are used to safely decelerate the vehicle, thus rendering the reignition of any engines and the use of propellants unnecessary. Nevertheless, the design of a winged first rocket stage capable of fulfilling its main objective, accelerating the launch vehicle from ground up to stage separation, while also being able to do an autonomous and controlled atmospheric re-entry offers its challenges. Traversing from hypersonic to subsonic velocities, the vehicle has to be controllable at a vast range of flight conditions. Understanding the flight dynamics behind the re-entry of a winged vehicle in an early design stage is necessary to identify challenges with regards to controlling and actively steering such a high-performance vehicle in order arrive at a feasible and robust design that does not fail to converge in later design iterations. This work focuses on the analysis of the vehicle dynamics using linearized dynamic equations with 6 degrees of freedom. The controllability using aerodynamic surfaces and RCS shall be investigated and, possibly, proven by simulation.

Item URL in elib:https://elib.dlr.de/187237/
Document Type:Conference or Workshop Item (Speech)
Title:Re-entry and Flight Dynamics of a Winged Reusable First Stage
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Stappert, SvenUNSPECIFIEDhttps://orcid.org/0000-0002-8425-2779UNSPECIFIED
Callsen, SteffenUNSPECIFIEDhttps://orcid.org/0000-0002-5481-5403UNSPECIFIED
Sippel, MartinUNSPECIFIEDhttps://orcid.org/0000-0001-7356-7575UNSPECIFIED
Journal or Publication Title:9th European Conference on Aeronautics and Space Sciences (EUCASS), 2022
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:No
Keywords:RLV, Reusability, Dynamics, Re-entry
Event Title:9th European Conference for Aeronatics and Space Sciences (EUCASS)
Event Location:Lille, Frankreich
Event Type:international Conference
Event Dates:27.6.-01.07.2022
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 - Systems Analysis Space Transport (SART)
Location: Bremen
Institutes and Institutions:Institute of Space Systems > Space Launcher Systems Analysis
Deposited By: Stappert, Sven
Deposited On:11 Jul 2022 09:31
Last Modified:11 Jul 2022 09:31

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