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Ultrasound Pressure Field of a Resonating Piezoelectric Membrane with Three Excitation Electrodes

V. Tzanov [1], E. Ledesma [1], F. Torres [1], N. Barniol [1],
[1] Universitat Autonoma de Barcelona, Spain

Micromachined ultrasound transducers can work as a sensor or actuator for measuring fluid speed and ... 扩展阅读

Studies of Lead Free Piezo-Electric Materials Based Ultrasonic MEMS Model for Bio sensor

P. Pattanaik[1], S. K. Kamilla[1], D. P. Das[2], S. K. Pradhan[3]
[1]MEMS Design Center, Institute of Technical Education & Research (ITER), Sikhya ‘O’ Anushandhan University, Bhubaneswar, Odisha, India
[2]Process Engineering and Instrumentation Lab, Institute of Minerals and Materials Technology (IMMT), Bhubaneswar, Odisha, India
[3]Dept of ECE, Hi-Tech Institute of Technology, Khurda, Odisha, India

This paper describes the design of an ultrasonic transducer using different lead free piezo-electric ... 扩展阅读

Improved Charge Amplification in Microfluidic Energy Harvesting Using COMSOL Multiphysics® Simulation Software

S. Mackenzie[1], A. Eden[1], M. Prichard[1], B. Dutcher[1], C. Meinhart[1], D. Huber[1], M. Napoli[1], D. Weld[1], S. Pennathur[1]
[1]University of California, Santa Barbara, USA

We present a detailed 2D COMSOL Multiphysics® model used to determine and improve the conversion efficiency ... 扩展阅读

Design and Optimization of a Multi-Purpose, High-Power Ultrasonic Reactor

l. spicci[1]
[1]Everywave Srl, Italy

Many industrial applications require special treatments for fluid products, such as: deagglomeration, ... 扩展阅读

Optimization of the geometry of MEMS Piezoelectric Energy Harvester cantilevers

N. Panayanthatta¹, R. La Rosa², C. Trigona³, E. Bano¹, L. Montes¹
¹Grenoble Alpes University, IMEP-LaHC, Grenoble, France
²ST Microelectronics, Catane, Italy
³University of Catania, Catane, Italy

Here we optimize the geometry: proof mass length Lm to total length L, thickness of the piezoelectric ... 扩展阅读

On The Directional Response of Multi-Driver Column Loudspeaker Configurations Using FEA and BEM

R. Balistreri [1],
[1] Klipsch Group, Inc, Indianapolis, IN, USA

Column Loudspeakers employ multiple drivers to get close to a radiating line source. A line source gives ... 扩展阅读

MEMS Acoustic Pixel

A. Arevalo[1], I. G. Foulds[2]
[1]King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
[2]The University of British Columbia, Vancouver, BC, Canada

A COMSOL Multiphysics® simulation was used to simulate the behavior of a micro-membrane (Acoustic Pixel) to ... 扩展阅读

Time-Dependent Study of Pressure Waves Generated by Square Array MEMS Ultrasound Transducers

M. A. G. Suijlen [1], R. J. Woltjer [1],
[1] Novioscan, Nijmegen, Netherlands

For non-imaging wearable ultrasound applications Novioscan is developing piezoelectric MEMS transducers. ... 扩展阅读

Design of Traveling Wave Ultrasonic Vibration Disk for Nano-particles in Liquid Dispersion

J. Muraoka, and T. Suzuki
Yamagata Research Institute of Technology
Yamagata
Japan

The traveling wave ultrasonic vibration disks for dispersion of particles were designed by using of FEM ... 扩展阅读

Simulation of a Piezoelectric Catheter-Based Acoustic Ablation Device

M. Gobran¹, N.Elabbasi², J. Ransley²
¹Worcester Polytechnic Institute, Worcester, MA, USA
²Veryst Engineering LLC., Needham, MA, USA

Thermal ablation driven by an acoustic heat source has tremendous potential for the treatment of diseased ... 扩展阅读

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