Influence of the Grain Orientation of Wood upon Its Sound Absorption Properties

The purpose of the study was to analyze the influence of the quality class and the orthotropy of wood upon the sound absorption coefficient, the reflection and the impedance ratio of two species widely used for stringed musical instruments, namely spruce (Picea abies L. Karst) and maple (Acer pseudo...

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Veröffentlicht in:	Materials 2023-08, Vol.16 (17), p.5998
Hauptverfasser:	Guiman, Maria Violeta, Stanciu, Mariana Domnica, Roșca, Ioan Călin, Georgescu, Sergiu Valeriu, Năstac, Silviu Marian, Câmpean, Mihaela
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorptivity Acoustic absorption Acoustic properties Acoustics Analysis Energy consumption Force and energy Frequency ranges Grain orientation Hypotheses Impedance Musical instruments Permeability Porosity Porous materials Sound transmission Sound waves Tortuosity
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