A Comparative Concept Study and Evaluation for New Broadband Noise Absorbing Acoustic Liner Concepts for Civil Aviation

  • This paper presents an approach to product rating and evaluation of different product solutions for broadband attenuation acoustic liner concepts for aerospace application. In the process, corresponding requirements have been defined for the considered system and evaluation criteria have been derived. Three “Main Evaluation Categories” (Acoustics, System Safety and Integration, Structure and Material) have been introduced to not falsify the assessment results by subject-specific exclusion criteria. A ranked space method has been selected for weighting the evaluation criteria to ensure an objective and knowledge-based rating. The rating has been carried out by a weighted point rating. Concise operational requirements and previously not considered system functions have been identified and linked to the rating and evaluation process. Building on this, further steps for the optimisation and development of the acoustic liner concepts have been presented and explained.

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Metadaten
Author: Marcel MischkeORCiD, Stefan KazulaORCiD, Klaus HöschlerGND
URL:https://gpps.global/proceedings/gpps-zurich19-proceedings/108-zu19-ducts-nozzels/268-gpps-z-2019-46.html
Title of the source (English):Proceedings of Global Power and Propulsion Society, Technical Conference 2019, Zurich
Document Type:Conference Proceeding
Language:English
Year of publication:2019
Tag:Acoustic Liner; Broadband Attenuation; Concept Evaluation; Concept Rating
First Page:1
Last Page:9
Article number:GPPS-TC-2019-0046
Faculty/Chair:Fakultät 3 Maschinenbau, Elektro- und Energiesysteme / FG Flug-Triebwerksdesign
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