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Statements

Subject Item
n2:RIV%2F46747885%3A24220%2F10%3A%230001727%21RIV11-GA0-24220___
rdf:type
skos:Concept n8:Vysledek
dcterms:description
An analytical calculation of the acoustic transmission loss of sound propagating through a thin cylindrically curved piezoelectric membrane, which is rigidly clamped at its straight ends, is presented. The membrane is placed inside an acoustic tube and connected to an active electric shunt circuit that behaves as a negative capacitor. A properly adjusted shunt circuit has a significant impact on the effective elastic stiffness of the piezoelectric membrane and influences the membrane acoustic reflectivity and transmission loss of sound. Such a setup represents a noise control system based on the principles of the active elasticity control of piezoelectric materials. The non-uniform radial motion of the clamped membrane and its interaction with the acoustic field and the electric shunt circuit are analyzed. The main objective of the calculations is the determination of the effects of the membrane clamps on the flexural motion of the membrane and effects on the acoustic transmission loss of sound. An analytical calculation of the acoustic transmission loss of sound propagating through a thin cylindrically curved piezoelectric membrane, which is rigidly clamped at its straight ends, is presented. The membrane is placed inside an acoustic tube and connected to an active electric shunt circuit that behaves as a negative capacitor. A properly adjusted shunt circuit has a significant impact on the effective elastic stiffness of the piezoelectric membrane and influences the membrane acoustic reflectivity and transmission loss of sound. Such a setup represents a noise control system based on the principles of the active elasticity control of piezoelectric materials. The non-uniform radial motion of the clamped membrane and its interaction with the acoustic field and the electric shunt circuit are analyzed. The main objective of the calculations is the determination of the effects of the membrane clamps on the flexural motion of the membrane and effects on the acoustic transmission loss of sound.
dcterms:title
A theory of sound transmission through a clamped curved piezoelectric membrane connected to a negative capacitor A theory of sound transmission through a clamped curved piezoelectric membrane connected to a negative capacitor
skos:prefLabel
A theory of sound transmission through a clamped curved piezoelectric membrane connected to a negative capacitor A theory of sound transmission through a clamped curved piezoelectric membrane connected to a negative capacitor
skos:notation
RIV/46747885:24220/10:#0001727!RIV11-GA0-24220___
n3:aktivita
n17:P
n3:aktivity
P(GA101/08/1279)
n3:cisloPeriodika
17
n3:dodaniDat
n12:2011
n3:domaciTvurceVysledku
n6:9828915 n6:5079241
n3:druhVysledku
n16:J
n3:duvernostUdaju
n15:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
245031
n3:idVysledku
RIV/46747885:24220/10:#0001727
n3:jazykVysledku
n18:eng
n3:klicovaSlova
Piezoelectric membrane; Elasticity control; Noise shielding; Negative capacitor
n3:klicoveSlovo
n4:Noise%20shielding n4:Negative%20capacitor n4:Piezoelectric%20membrane n4:Elasticity%20control
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[6F0D631621FD]
n3:nazevZdroje
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES
n3:obor
n11:BI
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
3
n3:projekt
n10:GA101%2F08%2F1279
n3:rokUplatneniVysledku
n12:2010
n3:svazekPeriodika
47
n3:tvurceVysledku
Lissek, Herve Mokrý, Pavel Sluka, Tomáš
n3:wos
000279489100007
s:issn
0020-7683
s:numberOfPages
8
n13:organizacniJednotka
24220