ANALYSIS OF ERRORS IN SOUND INTENSITY SCANNING TECHNIQUE FOR THE DETERMINATION OF SOUND POWER OF NOISE SOURCES

Authors

  • G. Kristatappa National Research Council, Institute for Machinery Research, Bldg. M-16, Montreal Road, Ottawa, Canada K1A 0R6
  • S.E. Keith Bureau of Radiation and Medical Devices, Department of Health and Welfare, 775 Brookfield Road, Ottawa, Canada K1A ICI
  • S.H.P. Bly Bureau of Radiation and Medical Devices, Department of Health and Welfare, 775 Brookfield Road, Ottawa, Canada K1A ICI

Abstract

Sound intensity measurements are being increasingly used to determine sound power of noise sources. Assessment of measurement uncertainties is important for wider use of this technique. This paper summarizes a recent study carried out to examine the bias and random errors associated with the scanning intensity technique under complex acoustic field conditions.1 Based on experiments and theoretica! formulations, errors were calculated for a complex acoustic source. Measurement errors under extraneous noise conditions were also examined.

Additional Files

Published

1998-12-01

How to Cite

1.
Kristatappa G, Keith S, Bly S. ANALYSIS OF ERRORS IN SOUND INTENSITY SCANNING TECHNIQUE FOR THE DETERMINATION OF SOUND POWER OF NOISE SOURCES. Canadian Acoustics [Internet]. 1998 Dec. 1 [cited 2024 Apr. 19];21(4):25-6. Available from: https://jcaa.caa-aca.ca/index.php/jcaa/article/view/823

Issue

Vol. 21 No. 4 (1993)

Section

Proceedings of the Acoustics Week in Canada

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