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Design of a MEMS Capacitive Comb-drive Accelerometer

T. Kaya[1], B. Shiari[2], K. Petsch[1], and D. Yates[2]
[1]Central Michigan University, School of Engineering and Technology, Mount Pleasant, MI
[2]University of Michigan, Dept. of Electrical Engineering and Computer Science, Ann Arbor, MI

In this work, a MEMS low-g accelerometer with three sensitive directions is designed for health monitoring applications. The accelerometer may have ...

Impedance Matching of Tag Antenna to Maximise RFID Read Ranges & Optimising a Tag Antenna Design for a Particular Application - new

M. Yeoman[1], M. O'Neill[2]
[1]Continuum Blue Ltd., Ystrad Mynach, UK
[2]Tumbling Dice Ltd., Newcastle, UK

RFID tags are ever increasing in their daily use, from the monitoring of components, the tracking of produce during processing & production, as well as ...

Modeling Residual Stresses in Arc Welding

F. Roger[1], and A. Traidia[2]
[1]ENSTA Paristech, Paris, France
[2]AREVA NP, Saint Marcel, France

The prediction of mechanical response of assemblies during arc welding necessitates the knowledge of thermal history of the components and the ...

A Practical Method to Model Complex Three-Dimensional Geometries with Non-Uniform Material Properties Using Image-based Design and COMSOL Multiphysics®

J. Cepeda[1], S. Birla[2], J. Subbiah[2], H. Thippareddi[1]
[1]Department of Food Science & Technology, University of Nebraska, Lincoln, NE, USA
[2]Department of Biological Systems Engineering, University of Nebraska, Lincoln, NE, USA

Geometries with heterogeneous material properties are typically defined as a set of multiple parts, each part representing a different material. ...

Fluid-Structure Interaction Modeling of High-Aspect Ratio Nuclear Fuel Plates Using COMSOL Multiphysics®

F. Curtis[1], K. Ekici[1], J. D. Freels[2]
[1]The University of Tennessee, Knoxville, TN, USA
[2]Oak Ridge National Laboratory, Oak Ridge, TN, USA

The High Flux Isotope Reactor at the Oak Ridge National Lab is in the research stage of converting its fuel from high-enriched uranium to low-enriched ...

Simulation of Droplet Impingement on a Solid Surface by the Level Set Method - new

J. Hu[1], R. Jia[1], K. Wan[2], X. Xiong[3]
[1]Department of Mechanical Engineering, University of Bridgeport, Bridgeport, CT, USA
[2]Mechanical and Industrial Engineering, Northeastern University, Boston, MA, USA
[3]Department of Electrical Engineering, University of Bridgeport, Bridgeport, CT, USA

The dynamic behavior of droplet impingement on a solid surface is important to many engineering applications. This paper studied the dynamic behavior ...

Particle Tracing: Analysis of Airborne Infection Risks in Operating Theatres

P. Apell[1], S. Hjalmarsson[1], T. Lindberg[1], I. Wernström[1], Y. Tarakonov[1], A. Erichsen Andersson[2], M. Karlsteen[1]
[1]Department of Applied Physics, Chalmers University of Technology, Göteborg, Sweden
[2]Sahlgrenska University Hospital, Department of Anesthesia, Surgery and Intensive Care, Göteborg, Sweden

Patients undergoing surgery are sensitive to infections. The operation staff may spread 10^4 particles per person per minute, of which ten percent are ...

Design and Simulation of Unimorph Piezoelectric Energy Harvesting System

E. Varadarajan[1], M. Bhanusri[2],
[1]Research and Innovation Centre (RIC), IITM Research Park, Chennai, Tamil Nadu, India
[2]Department of Physics, Indian Institute of Technology (IIT) Madras, Chennai, Tamil Nadu, India

In this paper we made an attempt to maximize the power output in the different piezoelectric materials in a unimorph cantilever beam configuration. In ...

Design of Small-Scaled de Laval Nozzle for IGLIS Experiment

E. Mogilevskiy[1], R. Ferrer[1], L. Gaffney[1], C. Granados[1], M. Huyse[1], Yu. Kudryavtsev[1], S. Raeder[1], P. Van Duppen[1]
[1]KU Leuven, Instituut voor Kern- en Stralingsfysica, Leuven, Belgium

De Laval nozzles are used in supersonic aerodynamical tubes and engines. They are also employed for the production of cold gas jets to be used in ...

Optimizing the Performance of MEMS Electrostatic Comb-Drive Actuator with different Flexure Springs

S. Gupta[1], T. Pahwa[1], R. Bansal[1], V. Bansal[1], B. Prasad[1], D. Kumar[1]
[1]Electronic Science Department Kurukshetra University, Kurukshetra, Haryana

A new design of electrostatic comb drive actuator is presented in this paper by using different spring designs and with different folded beam lengths. ...