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Liquid Upper Stage Demonstrator Engine (LUMEN): Status of the Project

Traudt, Tobias and Deeken, Jan C. and Oschwald, Michael and Schlechtriem, Stefan (2019) Liquid Upper Stage Demonstrator Engine (LUMEN): Status of the Project. In: 70th International Astronautical Congress, IAC 2019. 70th International Astronautical Congress (IAC), 2019-10-21 - 2019-10-25, Washington D.C., USA.

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With the LUMEN (Liquid upper stage demonstrator engine) project, DLR is aiming to develop, build and operate a breadboard engine based on an expander bleed cycle scheme. The propellants for LUMEN will be liquid oxygen (LOX) and liquid methane or more specifically liquid natural gas (LNG). LUMEN will be a modular breadboard engine to be used on DLR test benches such as the P8.3 test facility. The modular approach will make it easy to take the engine of the test bench, exchange components and go testing again. This way the demonstrator will provide a test bed for future component development. The cycle will feature two turbopumps in order to simplify the turbopump design, while on the same time allowing more freedom for an exchange of components. By this approach the DLR will create a test bed for component research on engine level, open to any industrial or institutional partner. In this paper we will give an overview on the current development status of LUMEN. The preliminary design phase (PDR) is finished and the detailed design has started. We will show the current design of major components such as injector head, combustor, turbopumps and peripherals. First test campaigns have successfully been performed with the injector head and the combustor. The turbopumps are currently in production. Finally we will give an outline of the roadmap of future LUMEN test campaigns and activities.

Item URL in elib:https://elib.dlr.de/131429/
Document Type:Conference or Workshop Item (Speech)
Title:Liquid Upper Stage Demonstrator Engine (LUMEN): Status of the Project
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Deeken, Jan C.UNSPECIFIEDhttps://orcid.org/0000-0002-5714-8845UNSPECIFIED
Oschwald, MichaelUNSPECIFIEDhttps://orcid.org/0000-0002-9579-9825UNSPECIFIED
Schlechtriem, StefanUNSPECIFIEDhttps://orcid.org/0000-0002-3714-9664UNSPECIFIED
Journal or Publication Title:70th International Astronautical Congress, IAC 2019
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:LUMEN, expander bleed cycle, engine demonstrator, LOX/LNG
Event Title:70th International Astronautical Congress (IAC)
Event Location:Washington D.C., USA
Event Type:international Conference
Event Start Date:21 October 2019
Event End Date:25 October 2019
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 - Project LUMEN (Liquid Upper Stage Demonstrator Engine)
Location: Lampoldshausen
Institutes and Institutions:Institute of Space Propulsion > Rocket Propulsion
Deposited By: Hanke, Michaela
Deposited On:28 Nov 2019 09:18
Last Modified:24 Apr 2024 20:34

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