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Gas-Filled Axisymmetric Acoustic Resonators Acoustic Compressor

Adel El-Sabbagh

ISBN 10: 3639093046 / ISBN 13: 9783639093049
Published by VDM Verlag
New Condition: New Soft cover
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About this Item

192 pages. Dimensions: 8.7in. x 5.9in. x 0.4in.In this book, the harmonic oscillations of gas-filled axisymmetric acoustic cavities are considered. A mathematical model is developedto account for the full nonlinear behavior of the gas oscillations. The equations are cast in a weighted residual form which can be solved provided that the exact mode shapes are known. The model is proved to be accurate in capturing the formation of shock waves at large excitations. However, it is solvable only for resonators with simple geometries. A finite element model is developed based on the weak form of the governing equations in order to solve resonators of complex geometries. The model is integrated with the dynamics of axisymmetric piezoelectric bimorphs that are used in actuation. The validity of the coupled model is validated experimentally and against the predictions of a commercial finite element packages based on linear acoustic equations. Close agreement is obtained between theory and experiment indicating that the developed model can be confidently used in the design of axisymmetric acoustic resonators. This item ships from multiple locations. Your book may arrive from Roseburg,OR, La Vergne,TN. Bookseller Inventory # 9783639093049

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Bibliographic Details

Title: Gas-Filled Axisymmetric Acoustic Resonators ...

Publisher: VDM Verlag

Binding: Paperback

Book Condition:New

Book Type: Paperback

About this title

Synopsis:

In this book, the harmonic oscillations of gas-filled axisymmetric acoustic cavities are considered. A mathematical model is developedto account for the full nonlinear behavior of the gas oscillations. The equations are cast in a weighted residual form which can be solved provided that the exact mode shapes are known. The model is proved to be accurate in capturing the formation of shock waves at large excitations. However, it is solvable only for resonators with simple geometries. A finite element model is developed based on the weak form of the governing equations in order to solve resonators of complex geometries. The model is integrated with the dynamics of axisymmetric piezoelectric bimorphs that are used in actuation. The validity of the coupled model is validated experimentally and against the predictions of a commercial finite element packages based on linear acoustic equations. Close agreement is obtained between theory and experiment indicating that the developed model can be confidently used in the design of axisymmetric acoustic resonators.

About the Author:

Adel El-Sabbagh has got his B.Sc. from Ain Shams University in Cairo in 1998, and got his Ph.D. from the University of Maryland, College Park where he spent five years at the Smart Materials and Structures Research Center. Since 2007, he is working as an assistant professor at the ASU Sound & Vibration Lab at Ain Shams University.

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Orders usually ship within 1-2 business days. Books are shipped from multiple locations so your order may arrive from Las Vegas,NV, Roseburg,OR, La Vergne,TN, Momence,IL, or Commerce,GA.

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