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Design Alterations of a High Power Air Transducer
Ansvarlig organisasjon
2007 (engelsk)Inngår i: Japanese Journal of Applied Physics, ISSN 0021-4922, E-ISSN 1347-4065, Vol. 46, nr 7, s. 4908-4911Artikkel i tidsskrift (Fagfellevurdert) PublishedAlternativ tittel
Designändringar av en högamplitudsluftsändare. (svensk)
Abstract [en]

For certain resonant high-power air transducers exists a radiating cone which is in some way connected to a forcing piezoelectric ceramic. This study focuses purely on the cone structure itself, and the form of excitation that gives desired results on the vibration modes of the cone. In the new design three different parameters are changed from existing devices. They are: 1) the change of the round piezoelectric disc center position to a piezoelectric ring shape, while making the cone center fixed, 2) the cutting of the cone into leaves, and 3) the radial thickness decreasing with radius. In simulations, the new design yields considerably higher vibration amplitudes.

Abstract [sv]

En högamplitudsändare för luft har utvecklats. Jämfört med existerande sändare har tre designändringar gjorts som innebär en väsentligt ökad vibrationsamplitud, och därmed ett större ljudtryck.

sted, utgiver, år, opplag, sider
2007. Vol. 46, nr 7, s. 4908-4911
Emneord [en]
Ultrasonic transducer, Vibration response, Air-coupled transducer, Acoustic air transducer, High power air transducer
HSV kategori
Identifikatorer
URN: urn:nbn:se:bth-9052ISI: 000248545500098Lokal ID: oai:bth.se:forskinfoA786CB02C756C581C1257336002FD870OAI: oai:DiVA.org:bth-9052DiVA, id: diva2:836828
Tilgjengelig fra: 2012-09-18 Laget: 2007-08-13 Sist oppdatert: 2017-12-04bibliografisk kontrollert

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