This content is not included in your SAE MOBILUS subscription, or you are not logged in.
Microflown based monopole sound sources for reciprocal measurements
ISSN: 0148-7191, e-ISSN: 2688-3627
Published March 30, 2008 by SAE International in United States
Annotation ability available
Monopole sound sources (i.e. omni directional sound sources with a known volume velocity) are essential for reciprocal measurements used in vehicle interior panel noise contribution analysis. Until recently, these monopole sound sources use a sound pressure transducer sensor as a reference sensor. A novel monopole sound source principle is demonstrated that uses a Microflown (acoustic particle velocity) sensor as a reference sensor.
As compared to a sound source that uses a sound pressure transducer as a reference sensor, the new sound sources demonstrated are relatively easy to calibrate, not sensitive to changes in ambient temperatures, and suitable to use in all sorts of acoustic environments.
Citationde Bree, H. and Basten, T., "Microflown based monopole sound sources for reciprocal measurements," SAE Technical Paper 2008-36-0503, 2008, https://doi.org/10.4271/2008-36-0503.
- Rossetto G. Contribution to the theory and practice of experimental acoustical modal analysis 2001
- Van Tol, F. H. Verheij, J. W. Brite EuRam II: PIANO, “Loudspeaker for reciprocal measurements of near field sound transfer functions on heavy road vehicle engines” TNO Institute of Applied Physics 1993
- Morse, P.M. Ingard, K.U. “Theoretical Acoustics” Princeton University Press 1986
- Kinsler et al. “Fundamentals of Acoustics” third John Wiley & Sons 1982
- Fahy F.J. Some applications of the reciprocity principle in experimental vibroacoustics Acoustical Physics 48 2 2003 217 229
- Verheij J.W. Experimental procedures for quantifying sound paths to the interior of road vehicles 2 nd international conference on vehicle comfort Bologna 1992 483 491
- Verheij J.W. Inverse and Reciprocity Methods for Machinery Noise Source Characterization and Sound Path Quantification. Part 1: Sources Int. J. Acoust. Vibr. 2 11 20 1997
- Verheij J.W. Inverse and Reciprocity Methods for Machinery Noise Source Characterization and Sound Path Quantification. Part 2: transmission paths Int. J. Acoust. Vibr. 3 103 112 1997
- Sottek et al An Artificial Head which speaks from its ears: investigations on reciprocal transfer path analysis in vehicles, using a binaural sound source SAE 2003
- Rayleigh, J.W. Some general theorems relating to vibrations proc. Lond. Math.Soc. 1873
- Lyamshev, L.M. A question in connection with the principle of reciprocity in acoustics Soviet Physics Doklady 1959
- Jacobsen Finn et al A note on the calibration of pressure-velocity sound intensity probes JASA 2006