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Investigation of an RLV Cryogenic Tank Insulation Including a Purge Gap System

Rauh, Carolin and Reimer, Thomas and Sippel, Martin (2019) Investigation of an RLV Cryogenic Tank Insulation Including a Purge Gap System. FAR 2019, 30. Sept. - 03. Okt. 2019, Monopoli, Italien. (Unpublished)

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Abstract

An interface design between structure, cryogenic insulation and thermal protection system (TPS) is developed for a reusable cryogenic propellant tank as part of the DLR research project AKIRA. As reference vehicle the booster of the conceptional reusable launch vehicle SpaceLiner7 is chosen. The design comprises a purge gap between cryogenic insulation and TPS and a fixation element to attach the TPS and the purge system to the tank structure. An integrated test object (ITO) is developed to investigate the efficiency of the purge gap within the compound of tank structure, insulation system and fixing elements. An experimental setup is presented which shall prove both functionality and reusability of the design, represented by the ITO, with respect to the thermal boundary conditions of fuelling phase and re-entry of the reference vehicle. Additionally, fluid simulations were carried out to assess the flow variables with which the purge gap shall be operated during the experiments to meet the requirements.

Item URL in elib:https://elib.dlr.de/129790/
Document Type:Conference or Workshop Item (Speech)
Title:Investigation of an RLV Cryogenic Tank Insulation Including a Purge Gap System
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Rauh, Carolincarolin.rauh (at) dlr.dehttps://orcid.org/0000-0003-4506-1715
Reimer, Thomasthomas.reimer (at) dlr.deUNSPECIFIED
Sippel, Martinmartin.sippel (at) dlr.dehttps://orcid.org/0000-0001-7356-7575
Date:2019
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Unpublished
Keywords:Purge Gap; RLV; TPS
Event Title:FAR 2019
Event Location:Monopoli, Italien
Event Type:international Conference
Event Dates:30. Sept. - 03. Okt. 2019
Organizer:esa
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 - Wiederverwendbare Raumfahrtsysteme
Location: Bremen , Stuttgart
Institutes and Institutions:Institute of Structures and Design > Space System Integration
Institute of Space Systems > Space Launcher Systems Analysis
Deposited By: Rauh, Carolin
Deposited On:14 Nov 2019 11:21
Last Modified:14 Nov 2019 11:21

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