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Thermal characterization of cork- and ceramics-based TPS in DLRs arc-heated wind tunnel L2K

Hantz, Christian Maximilian and Marwege, Ansgar and Paixão, Sofia and Celotti, Luca and Wiśniewska, Maria (2022) Thermal characterization of cork- and ceramics-based TPS in DLRs arc-heated wind tunnel L2K. 2nd International Conference on Flight Vehicles, Aerothermodynamics and Re-entry Missions & Engineering (FAR), 19.-23. Juni 2022, Heilbronn, Deutschland.

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Abstract

Within the RETALT project, multiple Thermal Protection System (TPS) materials have been tested, using DLR´s arc heated facility L2K in Cologne, Germany. The high enthalpy flow was used to simulate the aerothermal heating during reentry of the 1st stage of the RETALT 1 launcher. In total, 21 samples of five materials in stagnation point configuration have been tested, having two ablative cork materials and three high temperature ceramics. The cork materials by Amorim Cork Composites featured an existing material (P50) and a newly developed, trowelable cork based TPS. The ceramics were provided in cooperation with the LightCoce project. The samples were exposed to cold wall heat fluxes in the range of 200 to 800 kW/m². In addition to tests with only one heat exposure, some samples were tested 3 times at the same cold wall heat flux and same total test time, named cycle tests. Those cycle tests are intended to yield more information on a possible reuse of the materials. Surface recession and mass change is measured.

Item URL in elib:https://elib.dlr.de/190544/
Document Type:Conference or Workshop Item (Speech)
Title:Thermal characterization of cork- and ceramics-based TPS in DLRs arc-heated wind tunnel L2K
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Hantz, Christian MaximilianUNSPECIFIEDhttps://orcid.org/0000-0002-6911-6410UNSPECIFIED
Marwege, AnsgarUNSPECIFIEDhttps://orcid.org/0000-0002-3912-9114UNSPECIFIED
Paixão, SofiaAmorim Cork CompositesUNSPECIFIEDUNSPECIFIED
Celotti, LucaAzimut Space GmbH, GermanyUNSPECIFIEDUNSPECIFIED
Wiśniewska, MariaŁukasiewicz Research Network – Poznań Institute of Technology, PolandUNSPECIFIEDUNSPECIFIED
Date:June 2022
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:TPS, reusable launch vehicle, cork ablator, RETALT, LightCoce
Event Title:2nd International Conference on Flight Vehicles, Aerothermodynamics and Re-entry Missions & Engineering (FAR)
Event Location:Heilbronn, Deutschland
Event Type:international Conference
Event Dates:19.-23. Juni 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 - Reusable Space Systems and Propulsion Technology
Location: Göttingen , Köln-Porz
Institutes and Institutions:Institute for Aerodynamics and Flow Technology > Supersonic and Hypersonic Technology
Institute for Aerodynamics and Flow Technology > Administration AS-GO
Deposited By: Hantz, Christian Maximilian
Deposited On:15 Dec 2022 13:03
Last Modified:15 Dec 2022 13:03

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