Active control of sound radiation from a rectangular plate subjected to a line moment and a plane wave

K. Sahu, Seppo Uosukainen, Hannu Nykänen, J. Tuhkuri

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Abstract

The purpose of this analytical study is to attenuate the sound radiation from a simply supported rectangular plate excited by both the structure borne (line moment) and air borne (plane wave) excitation. The effects of minimizing the radiated sound power and of canceling the net volume velocity of the plate are compared not only in terms of the reduction in sound power but also in terms of the plate velocities. A long and narrow piezoelectric actuator is used as secondary source to actively reduce the sound radiation from the plate. Numerical simulation shows that the performance of the active control method is related to the position of the line moment and the actuator.
Original languageEnglish
Title of host publication39th International Congress on Noise Control Engineering 2010
Pages4747-4756
Publication statusPublished - 2010
MoE publication typeA4 Article in a conference publication
Event39th International Congress on Noise Control Engineering 2010, INTER-NOISE 2010 - Lisbon, Portugal
Duration: 13 Jun 201016 Jun 2010

Conference

Conference39th International Congress on Noise Control Engineering 2010, INTER-NOISE 2010
CountryPortugal
CityLisbon
Period13/06/1016/06/10

Fingerprint

rectangular plates
active control
plane waves
moments
acoustics
radiation
piezoelectric actuators
wave excitation
actuators
air
simulation

Keywords

  • Sound power minimization
  • sound radiation
  • volume velocity

Cite this

Sahu, K., Uosukainen, S., Nykänen, H., & Tuhkuri, J. (2010). Active control of sound radiation from a rectangular plate subjected to a line moment and a plane wave. In 39th International Congress on Noise Control Engineering 2010 (pp. 4747-4756)
Sahu, K. ; Uosukainen, Seppo ; Nykänen, Hannu ; Tuhkuri, J. / Active control of sound radiation from a rectangular plate subjected to a line moment and a plane wave. 39th International Congress on Noise Control Engineering 2010. 2010. pp. 4747-4756
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Sahu, K, Uosukainen, S, Nykänen, H & Tuhkuri, J 2010, Active control of sound radiation from a rectangular plate subjected to a line moment and a plane wave. in 39th International Congress on Noise Control Engineering 2010. pp. 4747-4756, 39th International Congress on Noise Control Engineering 2010, INTER-NOISE 2010, Lisbon, Portugal, 13/06/10.

Active control of sound radiation from a rectangular plate subjected to a line moment and a plane wave. / Sahu, K.; Uosukainen, Seppo; Nykänen, Hannu; Tuhkuri, J.

39th International Congress on Noise Control Engineering 2010. 2010. p. 4747-4756.

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

TY - GEN

T1 - Active control of sound radiation from a rectangular plate subjected to a line moment and a plane wave

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AU - Nykänen, Hannu

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N2 - The purpose of this analytical study is to attenuate the sound radiation from a simply supported rectangular plate excited by both the structure borne (line moment) and air borne (plane wave) excitation. The effects of minimizing the radiated sound power and of canceling the net volume velocity of the plate are compared not only in terms of the reduction in sound power but also in terms of the plate velocities. A long and narrow piezoelectric actuator is used as secondary source to actively reduce the sound radiation from the plate. Numerical simulation shows that the performance of the active control method is related to the position of the line moment and the actuator.

AB - The purpose of this analytical study is to attenuate the sound radiation from a simply supported rectangular plate excited by both the structure borne (line moment) and air borne (plane wave) excitation. The effects of minimizing the radiated sound power and of canceling the net volume velocity of the plate are compared not only in terms of the reduction in sound power but also in terms of the plate velocities. A long and narrow piezoelectric actuator is used as secondary source to actively reduce the sound radiation from the plate. Numerical simulation shows that the performance of the active control method is related to the position of the line moment and the actuator.

KW - Sound power minimization

KW - sound radiation

KW - volume velocity

M3 - Conference article in proceedings

SN - 978-161782396-1

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BT - 39th International Congress on Noise Control Engineering 2010

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Sahu K, Uosukainen S, Nykänen H, Tuhkuri J. Active control of sound radiation from a rectangular plate subjected to a line moment and a plane wave. In 39th International Congress on Noise Control Engineering 2010. 2010. p. 4747-4756