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Acoustics and Vibrations

Simulação de um Sistema de Levitação Acústica para Manipulação de Partículas em Ar

M. A. B. Andrade [1], N. Pérez [2], J. C. Adamowski [3],
[1] Instituto de Física, Universidade de São Paulo, São Paulo, SP, Brasil
[2] Centro Universitario de Paysandú, Universidad de la República, Paysandú, Uruguai
[3] Departamento de Engenharia Mecatrônica e Sistemas Mecânicos, Escola Politécnica, Universidade de São Paulo, São Paulo, SP, Brasil

Este trabalho apresenta a simulação numérica de um sistema de levitação acústica para manipulação de ... 扩展阅读

A Multiphysics Approach to the Design of Loudspeaker Drivers

R. Magalotti [1]
[1] B&C Speakers, Bagno a Ripoli, Italy

Loudspeaker drivers are energy transducers: their main goal is to efficiently convert electrical energy to ... 扩展阅读

Multiphysics Analysis of a Thermo-Acoustic MHD Inductive Generator

R. Forcinetti [1], S. Carcangiu [1], A. Montisci [1],
[1] DIEE, University of Cagliari, Cagliari, Italy

Magneto-Hydrodynamic (MHD) power generation systems were originally investigated starting from the fact that ... 扩展阅读

Time-Domain Model of the Inner Ear to Study Nonlinear Responses

K. Gladine [1], J. Soons [1], J. Dirckx [1]
[1] University of Antwerp, Belgium

The ear doesn’t solely listen but it also speaks. Sounds formed in the inner ear which are measurable in the ... 扩展阅读

Calculation of Surface Acoustic Waves on a Piezoelectric Substrate using Amazon™ Cloud Computing

U. Vogel [1], M. Spindler [1], S. Wege [1], T. Gemming [1]
[1] Leibniz Institute for Solid State and Materials, Dresden, Germany

In this work, we seek to simulate SAWs for a better understanding and to benchmark the currently available ... 扩展阅读

Simulation of Acoustical Transfer Paths for Active Noise Control

L. Fromme [1], J. Waßmuth [1], D. Wehmeier [1],
[1] Bielefeld University of Applied Sciences, Bielefeld, Germany

The knowledge of the acoustical transfer paths in active noise control systems is very important for the ... 扩展阅读

Simulation of Horn Driver Response by Direct Combination of CD Frequency Response and Horn FEA

D. Cinanni [1],
[1] Ciare S.r.l., Italy

Today a horn driver developing is still time and cost consuming. In addition compression driver behavior ... 扩展阅读

Predication of Acoustical Dissipation in Large Irregular Cavities by Helmholtz Solver

F. Mbailassem [1], Q. Leclere [1],
[1] LVA - INSA de Lyon, France

This paper introduces an efficient model to describe energy dissipation in acoustic. When the propagation ... 扩展阅读

Implicit Large Eddy Simulations of 2D Flow and Heat Transfer in Thermoacoustic Resonators

N. Martaj [1,2], S. Savarese [3], S. Kouidri [3], M. M. ALI [4,5]
[1] EPF Ecole d’ingénieurs, Montpellier, France
[2] Institut d'Electronique et des Systèmes, Université de Montpellier, Montpellier, France
[3] Armélio, Les Ulis, Courtabœuf, France
[4] LIMSI-CNRS, Orsay, France
[5] UPMC Univ Paris 06, Paris, France

The reduction of energy consumption in the building sector (nearly 40% of the energy consumption in Europe) ... 扩展阅读

Multiphysics Modeling of Sound Absorbing Fibrous Materials

T. G. Zielinski [1]
[1] Institute of Fundamental Technological Research, Polish Academy of Sciences, Warsaw, Poland

Many of fibrous materials are very good sound absorbers, because the acoustic waves, which propagate in air ... 扩展阅读

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