Concept Development and Evaluation for a Broadband Noise Absorbing Acoustic Liner Concept for Aviation

  • This paper presents design adaptations during the further development of innovative broadband acoustic liner concepts (Foil Helmholtz Resonator Liner; FHR-Liners) which utilise flexible foils within a honeycomb structure to attenuate engine and aircraft noise. The requirements for acoustic liners in aviation are described and utilised to derive evaluation criteria. Modifications of the FHR-Liner concept are introduced. A suitable concept evaluation method based on VDI 2225 is applied to evaluate the modified liner concepts concerning the main evaluation criteria.

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Author: Paul König, Marcel MischkeORCiD, Michael Pohl, Stefan KazulaORCiD, Klaus HöschlerGND
URL:https://2019.isabe.org/content/uploads/ISABE2019_Technical_Program.pdf
Title of the source (English):24th International Society For Air Breathing Engines (ISABE-2019-24261), 22.-27. September 2019
Document Type:Conference publication not peer-reviewed
Language:English
Year of publication:2019
Faculty/Chair:Fakultät 3 Maschinenbau, Elektro- und Energiesysteme / FG Flug-Triebwerksdesign
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