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Piezoelectric Devices

Analysis of Mechanical Sensitivity of MEMS Pressure Diaphragm for Contact Formation

S. Shubham [1], M. Nawaz [1],
[1] Knowles Electronics, Itasca, IL, USA

MEMS Pressure sensors work on the principle of mechanical bending of thin diaphragm under applied load over ... 扩展阅读

Augmentor Combustion Instability with the COMSOL Multiphysics® software

V. G. Shaw [1], J. D. Clabbers [1], E. J. Gutmark [1],
[1] University of Cincinnati, Cincinnati, OH, USA

Combustion instability has been a serious issue through the developmental history of gas turbine augmentors. ... 扩展阅读

Active Control of MEMS Resonator Parameters via Electromechanical Feedback

M. Hodjat-Shamami [1], F. Ayazi [1],
[1] Georgia Institute of Technology, Atlanta, GA, USA

MEMS resonators have been recently adopted in a wide variety of timing, sensing, and actuation applications. ... 扩展阅读

Modeling of the Clamping Fixture of a Piezoelectric Cantilever-type Energy Harvesting Device

T. Hoang [1,2], G. Poulin-Vittrant [2], G. Ferin [1], F. Levassort [2], C. Bantignies [1], A. Nguyen-Dinh [1], M. Bavencoffe [2]
[1] Advanced Research dept., VERMON S.A., Tours, France
[2] GREMAN UMR 7347, Université de Tours, CNRS, INSA Centre Val de Loire, Blois, France

Over the last decade, ambient vibration energy harvesting by piezoelectric materials has been an area of ... 扩展阅读

Near-Field of Resonating Piezoelectric Membrane Used as Ultrasound Transducer

V. Tzanov [1], J. Munoz [1], F. Torres [1], N. Barniol [1],
[1] Universitat Autonoma de Barcelona, Bellaterra, Spain

Micro-machined ultrasound transducers have a wide range of applications. As a sensor or actuator they can be ... 扩展阅读

Considerations Regarding the Design of a Power Ultrasonic Transducer with Flat Rectangular Plate

R. R. Andrés [1], E. Riera [1],
[1] Grupo de Sistemas y Tecnologías Ultrasónicas, ITEFI, CSIC, Madrid, España

There are several industrial applications, like food dehydration, atomization and textile washing among ... 扩展阅读

Effective Properties of Viscoelastic Composite with Piezoelectric Fibers

M. Al-Ajmi [1], P. Muthusamy [1],
[1] Mechanical Engineering Department, Kuwait University, Kuwait

Numerical homogenization of fiber reinforced composites has become a valuable design tool by utilizing the ... 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

Simulation of Acoustic Wave-Structure Interaction in a Quarter Wavelength Tube Energy Harvester

L. Melander [1], J. H. You [1],
[1] University of St. Thomas, St. Paul, MN, USA

An acoustic energy harvesting system at low frequency (~200 Hz) using lead zirconate titanate (PZT) ... 扩展阅读

RF NEMS Magnetoelectric Sensor Simulation and Demonstration

H. Lin [1], N. Sun [1], N. X. Sun [1],
[1] W.M. Keck Laboratory for Integrated Ferroics, ECE Department, Northeastern University, Boston, MA, USA

RF NEMS Magnetoelectric (ME) Sensor with a ferromagnetic (FeGaB)/ piezoelectric (AlN) thin film ... 扩展阅读

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