Acoustic Attenuation Structure

Acoustic Attenuation Structure

An acoustic attenuation structure comprises a gas permeable composite facesheet, a cellular core, and an impermeable backing. The gas permeable composite facesheet has a designated porosity. The designated porosity causes the permeability of the gas permeable composite facesheet. The gas permeable c...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Butler, Geoffrey Allen, Lan, Justin Honshune
Format: Patent
Sprache:eng
Schlagworte:
BUILDING
CEILINGS
FIXED CONSTRUCTIONS
FLOORS
GENERAL BUILDING CONSTRUCTIONS
INSULATION OR OTHER PROTECTION OF BUILDINGS
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
PERFORMING OPERATIONS
ROOFS
TRANSPORTING
WALLS, e.g. PARTITIONS
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Beschreibung
Zusammenfassung:An acoustic attenuation structure comprises a gas permeable composite facesheet, a cellular core, and an impermeable backing. The gas permeable composite facesheet has a designated porosity. The designated porosity causes the permeability of the gas permeable composite facesheet. The gas permeable composite facesheet comprises a carbon fiber fabric. The cellular core is bonded to the gas permeable composite facesheet using a resin of the gas permeable composite facesheet without any additional adhesive. The impermeable backing is connected to the cellular core.