Numerical and Experimental Investigation of the Acoustic and Flow Performance of Intake Systems

This paper investigates the acoustic and flow performance of an intake system using numerical and experimental techniques. The acoustic and flow performances are characterized by computing the Insertion Loss (IL) and the loss coefficient (LC) respectively. An indirect BEM formulation is used to pred...

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Veröffentlicht in:	Journal of vibration and acoustics 2002-07, Vol.124 (3), p.334-339
Hauptverfasser:	Rusch, P. A, Dhingra, A. K
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustics Applied sciences Boundary conditions Boundary element method Boundary-integral methods Computational techniques Engines and turbines Exact sciences and technology Finite element method Fluid dynamics Fundamental areas of phenomenology (including applications) Insertion losses Internal combustion engines: gazoline engine, diesel engines, etc Mathematical methods in physics Mathematical models Mechanical engineering. Machine design Noise generators Physics Structural acoustics and vibration Transfer functions
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Beschreibung
Zusammenfassung:	This paper investigates the acoustic and flow performance of an intake system using numerical and experimental techniques. The acoustic and flow performances are characterized by computing the Insertion Loss (IL) and the loss coefficient (LC) respectively. An indirect BEM formulation is used to predict the IL. The LC is computed by solving a one-dimensional fluid dynamics problem. For four simple cylindrical duct systems, numerical results for IL and LC are compared with experimental measurements. Finally, the acoustic and flow performance of an actual motorcycle intake is predicted and the results are compared to bench test results.
ISSN:	1048-9002 1528-8927
DOI:	10.1115/1.1471358