A particle velocity sensor to measure the sound from a structure in the presence of background noise

H.E. de Bree; W.F. Druyvesteyn

A particle velocity sensor to measure the sound from a structure in the presence of background noise

H.E. de Bree, W.F. Druyvesteyn

Research output: Contribution to conference › Paper › Academic

29 Citations (Scopus)

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Abstract

The performance (or quality) of a product is often checked by measuring the radiated sound (noise) from the vibrating structure. Often this test has to be done in an environment with background noise, which makes the measurement difficult. When using a (pressure) microphone the background noise can be such that it dominates the radiated sound from the vibrating structure. However, when using a particle velocity sensor, the Microflown [1,2], near the vibrating structure, the background noise has almost no influence (it is almost cancelled) and the sound from the structure is measured with a good S/N ratio. The experimental results are explained in terms of the different boundary conditions at the surface of the vibrating structure for the pressure and the particle velocity.

Original language	English
Number of pages	5
Publication status	Published - 2005
Event	Forum Acusticum Budapest 2005 - Budapest, Hungary Duration: 29 Aug 2005 → 2 Sep 2005

Other

Other	Forum Acusticum Budapest 2005
Country	Hungary
City	Budapest
Period	29/08/05 → 2/09/05

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title = "A particle velocity sensor to measure the sound from a structure in the presence of background noise",

abstract = "The performance (or quality) of a product is often checked by measuring the radiated sound (noise) from the vibrating structure. Often this test has to be done in an environment with background noise, which makes the measurement difficult. When using a (pressure) microphone the background noise can be such that it dominates the radiated sound from the vibrating structure. However, when using a particle velocity sensor, the Microflown [1,2], near the vibrating structure, the background noise has almost no influence (it is almost cancelled) and the sound from the structure is measured with a good S/N ratio. The experimental results are explained in terms of the different boundary conditions at the surface of the vibrating structure for the pressure and the particle velocity.",

author = "{de Bree}, H.E. and W.F. Druyvesteyn",

year = "2005",

language = "English",

note = "Forum Acusticum Budapest 2005 ; Conference date: 29-08-2005 Through 02-09-2005",

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AU - de Bree, H.E.

AU - Druyvesteyn, W.F.

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N2 - The performance (or quality) of a product is often checked by measuring the radiated sound (noise) from the vibrating structure. Often this test has to be done in an environment with background noise, which makes the measurement difficult. When using a (pressure) microphone the background noise can be such that it dominates the radiated sound from the vibrating structure. However, when using a particle velocity sensor, the Microflown [1,2], near the vibrating structure, the background noise has almost no influence (it is almost cancelled) and the sound from the structure is measured with a good S/N ratio. The experimental results are explained in terms of the different boundary conditions at the surface of the vibrating structure for the pressure and the particle velocity.

AB - The performance (or quality) of a product is often checked by measuring the radiated sound (noise) from the vibrating structure. Often this test has to be done in an environment with background noise, which makes the measurement difficult. When using a (pressure) microphone the background noise can be such that it dominates the radiated sound from the vibrating structure. However, when using a particle velocity sensor, the Microflown [1,2], near the vibrating structure, the background noise has almost no influence (it is almost cancelled) and the sound from the structure is measured with a good S/N ratio. The experimental results are explained in terms of the different boundary conditions at the surface of the vibrating structure for the pressure and the particle velocity.

M3 - Paper

T2 - Forum Acusticum Budapest 2005

Y2 - 29 August 2005 through 2 September 2005

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