STRIP WITH ACOUSTIC DAMPING PROPERTIES

STRIP (3) TO BE INSERTED BETWEEN TWO ELEMENTS (1, 2) IN ORDER TO CAUSE ACOUSTIC ATTENUATION OF THE NOISE PROPAGATING THROUGH AT LEAST ONE OF THE ELEMENTS, THE STRIP (3) BEING MADE OF AT LEAST ONE PLASTIC-BASED DAMPING MATERIAL i, CHARACTERIZED IN THAT THE STRIP (3) HAS AN EQUIVALENT REAL STIFFNESS P...

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Bibliographische Detailangaben
Hauptverfasser: FREDERIC DRUJON, MARC REHFELD, BEATRICE MOTTELET, DIMITRI LEROY
Format: Patent
Sprache:eng
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Zusammenfassung:STRIP (3) TO BE INSERTED BETWEEN TWO ELEMENTS (1, 2) IN ORDER TO CAUSE ACOUSTIC ATTENUATION OF THE NOISE PROPAGATING THROUGH AT LEAST ONE OF THE ELEMENTS, THE STRIP (3) BEING MADE OF AT LEAST ONE PLASTIC-BASED DAMPING MATERIAL i, CHARACTERIZED IN THAT THE STRIP (3) HAS AN EQUIVALENT REAL STIFFNESS PER UNIT LENGTH K'eq EQUAL TO AT LEAST 25 MPa AND AN EQUIVALENT LOSS FACTOR TAN?eq EQUAL TO AT LEAST 0.25.