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3D Acoustic Streaming Field in High-Intensity Discharge Lamps - new

B. Baumann[1], J. Schwieger[1], M. Wolff[1], F. Manders[2], J. Suijker[2]
[1]Hamburg University of Applied Sciences, Hamburg, Germany
[2]Philips Lighting, Turnhout, Belgium

High-intensity discharge lamps will in the foreseeable future be important light sources despite a growing market share of LEDs. Cost and energy ...

Development of a User Interface for Design of SO2 Oxidation Fixed-Bed Reactors

A. Nagaraj [1], P. L. Mills [1],
[1] Texas A&M University - Kingsville, Kingsville, TX, USA

H2SO4 is a very important chemical commodity, and indeed, a nation’s H2SO4 production has been a reasonably good indicator of its industrial strength ...

Air Damping of Oscillating MEMS Structures: Modeling and Comparison with Experiment

S. Gorelick[1], M. Leivo[1], U. Kantojärvi[1]
[1]VTT Technical Research Centre of Finland, Espoo, Finland

Excessive air damping can be detrimental to the performance of oscillating MEMS components. Complex systems, such as structures in pre-etched cavities ...

Thermo-fluiddynamic Modeling of Laser Beam-Matter Interaction in Selective Laser Melting

K.-H. Leitz [1], P. Singer [1], A. Plankensteiner [1], B. Tabernig [1], H. Kestler [1], L. S. Sigl [1],
[1] Plansee SE, Reutte, Austria

Selective Laser Melting (SLM) offers great potential for future manufacturing technology. In order to extend its applicability for the processing of ...

COMSOL Multiphysics® Software and PV: A Unified Platform for Numerical Simulation of Solar Cells and Modules

M. Nardone [1],
[1] Bowling Green State University, Bowling Green, OH, USA

Introduction: Existing solar cell (photovoltaic, PV) device simulation software is either open source with limited capabilities (1D only) [1,2] or ...

Nanowire Based Flexible Piezoelectric Sensor for Structural Health Monitoring Applications

A. El Kacimi [1], E. Pauliac-Vaujour [1], J. Eymery [2]
[1] University Grenoble Alpes, CEA, LETI, MINATEC Campus, Grenoble, France
[2] University Grenoble Alpes, CEA, Grenoble, France

We report on the modeling of flexible piezoelectric capacitive sensor based on GaN wires grown by Metal Organic Vapor Phase Epitaxy. Single crystal ...

The Effects of the Contact Angle on the Dynamics of Water Droplet Impingement

J. Hu [1], X. Huang [2], X. Xiong [1], K. T. Wan [2],
[1] University of Bridgeport, Bridgeport, CT, USA
[2] Northeastern University, Boston, MA, USA

INTRODUCTION The dynamic behavior of droplet impingement on a solid surface is important to many engineering applications, such as rain drops on ...

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 ...

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. ...

Prediction of Noise Generated by Electromagnetic Forces in Induction Motors - new

M. K. Nguyen[1], R. Haettel[2], A. Daneryd[2]
[1]KTH, Stockholm, Sweden
[2]ABB Corporate Research,Västerås, Sweden

Induction motors, as any other industrial products, have to comply with various requirements on noise levels. Therefore, it is essential to use an ...