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|Title:||Experimental evaluation of an optimum amount of probes used in PNCAR for airborne transfer path analysis|
|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|
|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)|
|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|
|Appears in Collections:||Aurora harvest 7|
Mechanical Engineering conference papers
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