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Preliminary Aerodynamic Design of a Reusable Booster Flight Experiment

Merrem, Clemens Hans-Joachim and Wartemann, Viola and Eggers, Thino (2018) Preliminary Aerodynamic Design of a Reusable Booster Flight Experiment. HISST - International Conference on High-Speed Vehicle Science and Technology, 26. - 29. Nov 2018, Moskau, Russland.

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Abstract

The Reusable Flight Experiment (ReFEx) is an experimental vehicle currently in development by the German Aerospace Center (DLR), which simulates the reentry of a winged reusable booster stage. The topic covered in this paper is the aerodynamic design through the Mach number range from 6.0 to 0.6, including the transonic regime, by CFD simulations using the DLR TAU-Code. For steering and lift generation the vehicle is equipped with multiple aerodynamic surfaces: canards, wings and a vertical fin. A VSB30 was chosen as the carrier rocket, leading to numerous limiting conditions that had to be fulfilled. The resulting tradeoffs are discussed. Also the process to achieve a configuration that meets all needs regarding stability during ascent and descent, controllability and energy management to autonomously follow a desired trajectory is explained. Since this vehicle is under development, the presented geometry is not necessarily the final shape. However, the completed design iterations strongly indicate that only details will differ between the presented state to the final and flyable ReFEx, scheduled to fly late 2021.

Item URL in elib:https://elib.dlr.de/124294/
Document Type:Conference or Workshop Item (Speech)
Title:Preliminary Aerodynamic Design of a Reusable Booster Flight Experiment
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Merrem, Clemens Hans-JoachimClemens.Merrem (at) dlr.deUNSPECIFIED
Wartemann, ViolaViola.Wartemann (at) dlr.deUNSPECIFIED
Eggers, ThinoThino.Eggers (at) dlr.deUNSPECIFIED
Date:November 2018
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:CFD, aerodynamische Auslegung, Flugexperment, wiederverwendbar
Event Title:HISST - International Conference on High-Speed Vehicle Science and Technology
Event Location:Moskau, Russland
Event Type:international Conference
Event Dates:26. - 29. Nov 2018
Organizer:TsAGI
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):Re-usability Flight Experiment (ReFEx)
Location: Braunschweig
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Spacecraft, BS
Deposited By: Merrem, Clemens Hans-Joachim
Deposited On:12 Dec 2018 10:04
Last Modified:12 Dec 2018 10:04

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