About: A theory of sound transmission through a clamped curved piezoelectric membrane connected to a negative capacitor

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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. (en)
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 (en)
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 (en)
skos:notation	RIV/46747885:24220/10:#0001727!RIV11-GA0-24220___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA101/08/1279)
http://linked.open...iv/cisloPeriodika	17
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Sluka, Tomáš Mokrý, Pavel
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Technická univerzita v Liberci / Fakulta mechatroniky, informatiky a mezioborových studií
http://linked.open...dnocenehoVysledku	245031
http://linked.open...ai/riv/idVysledku	RIV/46747885:24220/10:#0001727
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Piezoelectric membrane; Elasticity control; Noise shielding; Negative capacitor (en)
http://linked.open.../riv/klicoveSlovo	Elasticity control Negative capacitor Noise shielding Piezoelectric membrane
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[6F0D631621FD]
http://linked.open...i/riv/nazevZdroje	INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES
http://linked.open...in/vavai/riv/obor	BI
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Modern methods for noise and vibration suppression using piezoelectric materials
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	47
http://linked.open...iv/tvurceVysledku	Mokrý, Pavel Sluka, Tomáš Lissek, Herve
http://linked.open...ain/vavai/riv/wos	000279489100007
issn	0020-7683
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	24220

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