Incorporating Layered Acoustic Trim Materials in Body Structural-Acoustic Models

Incorporating Layered Acoustic Trim Materials in Body Structural-Acoustic Models

A fully analytical method for the evaluation of noise reduction in a vehicle interior furnished with layered acoustic trim is presented. The method combines calculation of trim Transmission Loss (TL) and Absorption Coefficient with a Statistical Energy Analysis (SEA) calculation of trimmed panel Noi...

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Veröffentlicht in:SAE transactions 1995-01, Vol.104, p.2289-2294
Hauptverfasser: Cimerman, Benjamin, Bremner, Paul, Qian, Yang, Van Buskirk, Jeff A.
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Sprache:eng
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creator Cimerman, Benjamin
Bremner, Paul
Qian, Yang
Van Buskirk, Jeff A.
description A fully analytical method for the evaluation of noise reduction in a vehicle interior furnished with layered acoustic trim is presented. The method combines calculation of trim Transmission Loss (TL) and Absorption Coefficient with a Statistical Energy Analysis (SEA) calculation of trimmed panel Noise Reduction (NR). This allows for the evaluation of the trim package performance in real operating conditions and ranking of the different air-borne and structure-borne transmission paths.
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title Incorporating Layered Acoustic Trim Materials in Body Structural-Acoustic Models
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