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primary topic: Measurement Based Absorption Characteristics Estimation of Extended Reactive Surfaces

Measurement Based Absorption Characteristics Estimation of Extended Reactive Surfaces
type: AcademicArticle
type: Article
abstract: The measurement of surface impedance and the absorption/transmission characteristics is well-established for acoustic materials that can be considered locally reactive: Impedance tube-based and in-situ measurement techniques are codified in multiple ISO standards. However, as lateral wave propagation in the material under test becomes significant, locally reactive assumptions fail and the standardized measurement methods become infeasible. The present contribution discusses the measurement of extendedly reactive surfaces by estimating its distributed surface impedance function and the consequent numerical prediction of the reflected sound field in a simple planar geometry. The model is validated via the measurement of a resonant panel absorber. Finally, the extension of the absorption coefficient for extended reactive surfaces is discussed.
date: 2023
is part of: Forum Acusticum 2023: Proceedings of the 10th Convention of the European Acoustics Association
status: peerReviewed
status: published
author list: authors
type: EPrint
type: ArticleEPrint
is part of: repository
has document: Measurement Based Absorption Characteristics Estimation of Extended Reactive Surfaces (Text)
has document: Measurement Based Absorption Characteristics Estimation of Extended Reactive Surfaces (Other)
subject: Q1 Science (General) / természettudomány általában

Measurement Based Absorption Characteristics Estimation of Extended Reactive Surfaces (Text)
type: Document
has file: FA_2023_Extended_Reactivity_1-1.pdf
has part: FA_2023_Extended_Reactivity_1-1.pdf

Associazione Italiana di Acustica
type: Organization

Forum Acusticum 2023: Proceedings of the 10th Convention of the European Acoustics Association
type: Collection
issn: 22213767

Gergely Firtha
type: Person
given name: Gergely
family name: Firtha

Csaba Huszty
type: Person
given name: Csaba
family name: Huszty

Measurement Based Absorption Characteristics Estimation of Extended Reactive Surfaces (Other)
type: Document
is version of: Measurement Based Absorption Characteristics Estimation of Extended Reactive Surfaces (Text)
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Measurement Based Absorption Characteristics Estimation of Extended Reactive Surfaces (Other)
type: Document
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Measurement Based Absorption Characteristics Estimation of Extended Reactive Surfaces (Other)
type: Document
is version of: Measurement Based Absorption Characteristics Estimation of Extended Reactive Surfaces (Text)
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Measurement Based Absorption Characteristics Estimation of Extended Reactive Surfaces (Other)
type: Document
is version of: Measurement Based Absorption Characteristics Estimation of Extended Reactive Surfaces (Text)
is volatile version of: Measurement Based Absorption Characteristics Estimation of Extended Reactive Surfaces (Text)
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Measurement Based Absorption Characteristics Estimation of Extended Reactive Surfaces (Other)
type: Document
is version of: Measurement Based Absorption Characteristics Estimation of Extended Reactive Surfaces (Text)
is volatile version of: Measurement Based Absorption Characteristics Estimation of Extended Reactive Surfaces (Text)
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HTML Summary of #225381 Measurement Based Absorption Characteristics Estimation of Extended Reactive Surfaces
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primary topic: Measurement Based Absorption Characteristics Estimation of Extended Reactive Surfaces

Q1 Science (General) / természettudomány általában
type: Concept