A numerical and experimental investigation of the performance of sound intensity probes at high frequencies

Finn Jacobsen; Vicente Cutanda; Peter Møller Juhl

doi:10.1121/1.421212

A numerical and experimental investigation of the performance of sound intensity probes at high frequencies

Finn Jacobsen, Vicente Cutanda, Peter Møller Juhl

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Abstract

The high-frequency performance of a p-p intensity probe with a solid spacer between the two microphones is examined. It is shown theoretically and verified experimentally that with a spacer length that equals the diameter of the microphones, the finite difference error is almost perfectly cancelled by a cavity resonance. It is concluded that the usable frequency range of sound intensity probes can be doubled with this configuration.

Original language	English
Journal	Acoustical Society of America. Journal
Volume	103
Issue number	2
Pages (from-to)	953-961
ISSN	0001-4966
DOIs	https://doi.org/10.1121/1.421212
Publication status	Published - 1998

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Copyright (1998) Acoustical Society of America. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the Acoustical Society of America.

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abstract = "The high-frequency performance of a p-p intensity probe with a solid spacer between the two microphones is examined. It is shown theoretically and verified experimentally that with a spacer length that equals the diameter of the microphones, the finite difference error is almost perfectly cancelled by a cavity resonance. It is concluded that the usable frequency range of sound intensity probes can be doubled with this configuration.",

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AU - Cutanda, Vicente

AU - Juhl, Peter Møller

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PY - 1998

Y1 - 1998

N2 - The high-frequency performance of a p-p intensity probe with a solid spacer between the two microphones is examined. It is shown theoretically and verified experimentally that with a spacer length that equals the diameter of the microphones, the finite difference error is almost perfectly cancelled by a cavity resonance. It is concluded that the usable frequency range of sound intensity probes can be doubled with this configuration.

AB - The high-frequency performance of a p-p intensity probe with a solid spacer between the two microphones is examined. It is shown theoretically and verified experimentally that with a spacer length that equals the diameter of the microphones, the finite difference error is almost perfectly cancelled by a cavity resonance. It is concluded that the usable frequency range of sound intensity probes can be doubled with this configuration.

U2 - 10.1121/1.421212

DO - 10.1121/1.421212

M3 - Journal article

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JO - Acoustical Society of America. Journal

JF - Acoustical Society of America. Journal

IS - 2

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A numerical and experimental investigation of the performance of sound intensity probes at high frequencies

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