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Sound Pressure Amplification Using FP Resonance of Acoustic Metamaterial Cavity

J. Kim [1]
[1] Department of Mechanical Engineering, Hongik University, South Korea

Metamaterials are periodic or quasi-periodic, sub-wavelength metal structures. The material properties are ... 扩展阅读

Rough Surface Modeling of PDMS Polymer through Fractal Dimensions

D. Altuve [1], G. Fernandez [1], L. Paredes [2],
[1] Circuits and Electronics Department, Universidad Simón Bolívar, Caracas, Miranda, Venezuela
[2] Faculty of Electronic and Biomedical Engineering, Universidad Antonio Nariño, Tunja, Colombia

A good approximation of rough surfaces and their random behaviour is very important in some engineering ... 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

Simulation and Testing of a Tunable Organ Pipe for Ocean Acoustic Tomography

A. K. Morozov [1],
[1] Teledyne Technologies Inc., Falmouth, MA, USA

Teledyne Marine developed a system for the long-range ocean acoustic tomography, which uses a tunable, high ... 扩展阅读

Development of an On-Line Wall-Fouling Sensor for Pipeline Transportation of Heavy Oil-Water Mixtures

S. Rushd[1], and R.S. Sanders[1]
[1]Chemical & Materials Engineering Department, University of Alberta, Edmonton, AB, Canada

A beneficial method for transporting highly viscous hydrocarbons (e.g. heavy oil and bitumen) through a ... 扩展阅读

Numerical Calculation of the Three Dimensional Inter-Bar Current Distribution in Induction Machines

J. Güdelhöfer [1], R. Gottkehaskamp [1], A. Möckel [2],
[1] University of Applied Sciences Düsseldorf, Düsseldorf, Germany
[2] Technical University of Ilmenau, Ilmenau, Germany

The calculation of additional losses in induction machines is a challenging task. In skewed motors, a part of ... 扩展阅读

Trapping of Single-Cells Within 3D Electrokinetic Cages

K. Keim [1], A. Gonçalves [1], C. Guiducci [1],
[1] École Polytechnique Fédérale de Lausanne - Laboratory of Life Sciences Electronics (Guiducci Lab), Lausanne, Switzerland

This paper reports the modelling and analysis of three dimensional negative dielectrophoretic traps for cell ... 扩展阅读

Numerical Modeling and Verification of Acoustic Streaming Induced by Ultrasonic Treatment

D. Rubinetti [1], D. A. Weiss [1], J. Müller [2], A. Wahlen [2],
[1] Institute of Thermal and Fluid Engineering, University of Applied Sciences Northwestern Switzerland, Windisch, Switzerland
[2] Institute of Product and Production Engineering, University of Applied Sciences Northwestern Switzerland, Windisch, Switzerland

Acoustic streaming (AS) describes a physical phenomenon where an oscillating sound emitter induces a steady ... 扩展阅读

Analysis of Current at the Surface of a Rocking Disk Electrode

Vishvak Kannan [1],
[1] National University of Singapore, Singapore

Surface and solution kinetics for redox systems can be reliably and accurately studied using hydrodynamic ... 扩展阅读

Extraction of 13.56 MHz NFC-Reader Antenna Parameters for Matching Circuit Design

Prof. Dr.-Ing. habil. A. K. Palit [1],
[1] ZF-Lemfoerder Electronic GmbH, ZF-Friedrichshafen AG. Group, Espelkamp, Germany

Introduction: RFID system uses a Transponder and the near field communication (NFC) antenna and a matching ... 扩展阅读

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