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Type: Conference paper
Title: Experimental evaluation of an optimum amount of probes used in PNCAR for airborne transfer path analysis
Author: Zajamšek, B.
Comesaña, D.F.
Grosso, A.
Citation: Proceedings, International Conference on Noise and Vibration Engineering 2012, ISMA 2012, including USD 2012: International Conference on Uncertainty in Structure Dynamics, 2012 / Sas, P., Moens, D., Jonckheere, S. (ed./s), vol.5, pp.3659-3666
Publisher: Katholieke Universiteit Leuven
Issue Date: 2012
ISBN: 9781622768257
Conference Name: International Conference on Noise and Vibration Engineering (ISMA) / International Conference on Uncertainty in Structural Dynamics (USD) (17 Sep 2012 - 19 Sep 2012 : Leuven, Belgium)
Editor: Sas, P.
Moens, D.
Jonckheere, S.
Statement of
Branko Zajamšek, Daniel Fernandez Comesaña, Andrea Grosso
Abstract: The Panel Noise Contribution Analysis Referenced Related (PNCAR) measurement method carries out the airborne reciprocal Transfer Path Analysis (TPA). In comparison to the conventional pressure based techniques the method is fast and robust. It employs a small amount of PU probes, a monopole sound source and a microphone. Typically the investigated surface is subdivided into several measurement sessions and those further into panels. The method synthesizes individual panel sound pressure contributions in order to predict the sound pressure at an arbitrary reference position. A global validation of the method had been performed by comparing the synthesized and referenced sound pressure. The purpose of this paper is to investigate what amount of panels (sensor positions) is needed for accurately predicting the reference sound pressure. As a consequence of this, an empirical relationship between the amount of panels and analysis frequency limits has been proposed.
Rights: © Katholieke Universiteit Leuven - Departement Werktuigkunde Celestijnenlaan 300B
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Appears in Collections:Aurora harvest 7
Mechanical Engineering conference papers

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