SOUND-ABSORBING STRUCTURE FOR AIRCRAFT ENGINE

FIELD: physics.SUBSTANCE: invention relates to sound-absorbing structures. Structure comprises a sound-absorbing filler with attached perforated path and extra-path shells, a cellular filler with an irregular structure, the cells of which are formed by non-parallel walls, wherein for all pairs of op...

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Bibliographische Detailangaben
Hauptverfasser:	Stepina Elena Vitalevna, Grigorev Aleksandr Gennadevich, Siner Aleksandr Aleksandrovich
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	ACOUSTICS ACOUSTICS NOT OTHERWISE PROVIDED FOR METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL MUSICAL INSTRUMENTS PHYSICS SOUND-PRODUCING DEVICES
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Beschreibung
Zusammenfassung:	FIELD: physics.SUBSTANCE: invention relates to sound-absorbing structures. Structure comprises a sound-absorbing filler with attached perforated path and extra-path shells, a cellular filler with an irregular structure, the cells of which are formed by non-parallel walls, wherein for all pairs of opposite non-parallel walls the condition0°