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Aerogels as innovative insulation materials - a range of acoustic properties

Gillner, Christiane and Marckmann, Hannes and Dilba, Boris and Zaleski, Olgierd and Vöpel, Pascal and Dzierbinski, Adam and Okumus, Emrah and Milow, Barbara (2021) Aerogels as innovative insulation materials - a range of acoustic properties. In: Fortschritte der Akustik - DAGA 2021 - 47. Jahrestagung für Akustik. DAGA 2021, 16.08.2021, Wien, Österreich.

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Aerogels are highly porous solids that are manufactured in a sol-gel process with subsequent supercritical drying. In this process materials with a porosity of more than 95 percent can be created, which have a very low density due to the high proportion of air. They also have good sound absorption properties and a very low thermal conductivity. This makes them a promising basis for solutions with a diverse and consistently high level of insulation. Because of the extraordinary properties described above, aerogels offer solutions for various industries, for example aviation. In addition, the acoustic properties of these materials can be tailored to fulfil the specific requirements of the application for example the absorption in different frequency ranges. The material properties can be influenced by different ingredients or variations in the manufacturing process. The focus of this work is an examination of different samples which will give an insight in the possible range of acoustic and physical properties.

Item URL in elib:https://elib.dlr.de/144594/
Document Type:Conference or Workshop Item (Speech)
Title:Aerogels as innovative insulation materials - a range of acoustic properties
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Gillner, ChristianeGillner (at) novicos.deUNSPECIFIED
Marckmann, Hannesmarckmann (at) novicos.deUNSPECIFIED
Dilba, Borisdilba (at) novicos.deUNSPECIFIED
Zaleski, OlgierdZaleski (at) novicos.deUNSPECIFIED
Vöpel, PascalPascal.Voepel (at) dlr.dehttps://orcid.org/0000-0001-8233-7261
Dzierbinski, AdamAdam.Dzierbinski (at) dlr.dehttps://orcid.org/0000-0002-9004-2989
Okumus, EmrahEmrah.Okumus (at) dlr.deUNSPECIFIED
Milow, BarbaraBarbara.Milow (at) dlr.dehttps://orcid.org/0000-0002-6350-7728
Journal or Publication Title:Fortschritte der Akustik - DAGA 2021 - 47. Jahrestagung für Akustik
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Aerogel, acoustics, multilayer, simulation,
Event Title:DAGA 2021
Event Location:Wien, Österreich
Event Type:international Conference
Event Dates:16.08.2021
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Components and Systems
DLR - Research area:Aeronautics
DLR - Program:L CS - Components and Systems
DLR - Research theme (Project):L - Structural Materials and Design
Location: Köln-Porz
Institutes and Institutions:Institute of Materials Research > Aerogels and Aerogel Composites
Deposited By: Dzierbinski, Adam
Deposited On:08 Nov 2021 09:44
Last Modified:08 Nov 2021 09:44

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