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Implementation of the Perfectly Matched Layer to Determine the Quality Factor of Axisymmetric Resonators in COMSOL

M.I. Cheema, and A.G. Kirk
McGill University, Montreal, QC, Canada

Due to the inseparability of the wave equation, numerical methods are needed to develop an accurate electromagnetic model for various axisymmetric ...

COMSOL Assisted Simulation of Laser Engraving

H. Karbasi
Conestoga College, Kitchener, ON, Canada

The main purpose of this paper is to develop a proof of concept software that can simulate the geometry of engraved surfaces and can estimate the depth ...

Modeling of Ferrofluid Passive Cooling System

M. Yang[1,2], R. O'Handley[2], and Z. Fang[2,3]
[1]Massachusetts Institute of Technology, Cambridge, MA, USA
[2]Ferro Solutions, Woburn, MA, USA
[3]Pennsylvania State University, University Park, PA, USA

A ferrofluid contains nanoscale ferromagnetic particles suspended in a carrier liquid. It is used in some high-power acoustic speakers to cool the ...

Modeling Horizontal Ground Heat Exchangers in Geothermal Heat Pump Systems

A. Chiasson
University of Dayton, Dayton, OH, USA

Geothermal heat pumps use the earth as a heat source and sink via a ground heat exchanger (GHX) that consists of a network of buried heat exchange ...

Simulations of Meniscus Motion and Evaporation for Convective Deposition Manufacturing

J. Xiao, and D. Attinger
Columbia University, New York, NY, USA

Convective deposition is a material processing technique where an evaporating meniscus of a colloidal suspension is dragged along a solid substrate to ...

A Directional Dogbone Flextensional Sonar Transducer

S.C. Butler
Naval Undersea Warfare Center, Newport, RI, USA

In order to transmit energy in one direction, sonar flextensional transducers are combined into arrays of elements that are spaced a 1/4 wavelength ...

Dimensionless versus Dimensional Analysis in CFD and Heat Transfer

H. Dillon[1], A.F. Emery[1], A. Mescher[1], and R.J. Cochran[2]
[1]University of Washington, Seattle, WA, USA
[2]Applied CHT, Seattle, WA, USA

Students in engineering and science are often exposed early in their studies to non dimensional analysis. When it comes to solving fluid flow/heat ...

Effective Medium Theory of Nanodielectrics for Embedded Energy Storage Capacitors

R. Bikky, N. Badi, and A. Bensaoula
University of Houston, Houston, TX, USA

In this work, we present the effective properties of nanodielectrics with gold (Au) nanoparticles embedded in polymer (Polyvinyl Pyrrolidone (PVP)) ...

Finite Element Analysis of Pipes Considering the Effects of Stress Concentration Due to Dents

S.C. de Oliveira[1], E.P. de Deus[2], and A.M. Mont'Alverne[2]
[1] Funcap/CNPq, CE, Brazil
[2] Universidade Federal do Ceara, Fortaleza, CE, Brazil

This paper presents a numerical analysis of indented pipes based on the Finite Element (FE) within the framework of COMSOL Multiphysics. Numerical ...

The Transient Modeling of Bubble Pinch-Off Using an ALE Moving Mesh

C.J. Forster, and M.K. Smith
Georgia Institute of Technology, Atlanta, GA, USA

The use of an acoustic field to control the boiling process has the potential to increase the overall rate of heat transfer and delay the critical ...