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Development of the Low-Density Phenolic-Based Fibrous Ablator ZURAM-K

Zuber, Christian and Reimer, Thomas and Esser, Burkard and Gülhan, Ali and Herdrich, Georg and Biller, Nancy-Jane (2020) Development of the Low-Density Phenolic-Based Fibrous Ablator ZURAM-K. Journal of Spacecraft and Rockets. American Institute of Aeronautics and Astronautics (AIAA). doi: 10.2514/1.A34754. ISSN 0022-4650.

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Official URL: http://arc.aiaa.org/doi/abs/10.2514/1.A34754

Abstract

ZURAM is an ablative carbon–phenolic thermal protection material, developed by the DLR, German Aerospace Center (DLR) in cooperation with the Institute of Space Systems, University of Stuttgart. In addition to building up a basic competence in the sector of ablative thermal protection materials, an objective of the development was to provide a nonclassified ablative material for university research. ZURAM is comparable to similar low-density ablative thermal protection materials with respect to the material density and general ablative performance. It is based on a rigid, highly porous carbon fiber preform, which is filled with a nano-porous matrix derived from a phenolic resin. In the context of the ongoing material development, possibilities to improve the material were investigated with the aim to lower its thermal conductivity and to enhance the adaptability to varying mission profiles. Preliminary results indicate that by substituting the carbon preform with a phenolic fiber preform, a significant reduction of the thermal conductivity can be achieved while recession rates are comparable to the ones of standard ZURAM. The scope of the present work is the development of ZURAM-K based on phenolic Kynol fibers. Furthermore, results from tests in the arc-heated DLR facilities L2K and L3K, as well as data on the thermal conductivity and heat capacity, will be presented.

Item URL in elib:https://elib.dlr.de/140253/
Document Type:Article
Title:Development of the Low-Density Phenolic-Based Fibrous Ablator ZURAM-K
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Zuber, ChristianChristian.Zuber (at) dlr.deUNSPECIFIED
Reimer, ThomasThomas.Reimer (at) dlr.deUNSPECIFIED
Esser, BurkardBurkard.Esser (at) dlr.deUNSPECIFIED
Gülhan, AliAli.Guelhan (at) dlr.deUNSPECIFIED
Herdrich, GeorgInstitut für Raumfahrtsysteme, Universität StuttgartUNSPECIFIED
Biller, Nancy-JaneFaculty of Textile & Design, Reutlingen UniversityUNSPECIFIED
Date:21 December 2020
Journal or Publication Title:Journal of Spacecraft and Rockets
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI :10.2514/1.A34754
Publisher:American Institute of Aeronautics and Astronautics (AIAA)
ISSN:0022-4650
Status:Published
Keywords:Ablation, Isolation, Recession, Thermal Protection Material (TPM), Thermal Protection System (TPS), Atmospheric Re-entry
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 - Raumfahrzeugsysteme - Rückkehrtechnologie (old)
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design > Space System Integration
Institute for Aerodynamics and Flow Technology > Supersonoc and Hypersonic Technology
Deposited By: Zuber, Christian
Deposited On:11 Jan 2021 14:40
Last Modified:11 Jan 2021 14:40

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