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Modeling Linear Viscoelasticity in Glassy Polymers using Standard Rheological Models

M. Haghighi-Yazdi, and P. Lee-Sullivan
University of Waterloo
Waterloo, ON
Canada

In this study, a capability has been developed for modeling the linear viscoelastic behaviour of a glassy polymer using COMSOL Multiphysics®. The two ...

Double Pipe Heat Exchanger Modelling - COMSOL Uses in Undergraduate Education

L. Desgrosseilliers, and D. Groulx
Mechanical Engineering
Dalhousie University
Halifax, NS
Canada

A cornerstone of Chemical and Mechanical Engineering undergraduate programs the world over is the experimental and theoretical study of heat exchange. Graduating engineering students gain some appreciation in their lab course by comparing empirical correlations combined with the thermodynamics of heat exchange with the real operation of a counter-current, double pipe, single-phase heat exchanger.

Poromechanics Investigation at Pore-scale Using Digital Rock Physics Laboratory

S. Zhang[1],
N. Saxena[2],
P. Barthelemy[1], and
M. Marsh[1]
[1]Visualization Sciences Group, Burlington, MA, USA
[2]Stanford University, Palo Alto, CA, USA

Understanding the rock structure at nano to micro scale is of growing importance in geology, oil and gas, and hydrology. New approaches that relies on ...

FEM Analysis of Laser-Induced Heating of Gold Nanoparticles

D. Gonzalez[1], J. Gardner[1], and O. Tigli[2]
[1]Biomedical Engineering, University of Miami, Coral Gables, FL,
[2]Electrical and Computer Engineering, University of Miami, Coral Gables, FL

Nanoparticles are being extensively researched as a noninvasive method for selectively targeting and killing cancer cells. In this study, we model the thermal activation of gold nanospheres and nanorods in a fluidic environment to determine the thermal response of the surrounding medium.

Study of AC Electrothermal Phenomena Models

S. Loire, and P. Kauffmann
University of California
Santa Barbara, CA

Recently, electrokinetic flows have raised the interest of the scientific community. Driving flow with an electric field leads to promising ...

Modeling of Microwave Heating of a Rotating Object in a Domestic Oven in COMSOL Multiphysics

J. Raj[1], S. Birla[2], K. Pitchai[3], J. Subbiah[2], and D. Jones[2]
[1]Indian Institute of Crop Processing Technology, Thanjavur, Tamil Nadu, India
[2]Dept. of Biological Systems Engineering, University of Nebraska Lincoln, Lincoln, NE
[3]Dept. of Food-Science, University of Nebraska Lincoln, Lincoln, NE

Domestic microwave ovens are notorious for their uneven heating of food materials. This is caused by a varying electromagnetic field whose variation is ...

Densification and Shape Change of Calcined High Level Waste During Hot-Isostatic Pressing

T. Burnett, and D. Lower
CH2M-WG Idaho, LLC
The Idaho Cleanup Project at the Idaho National Laboratory
Idaho Falls, ID

Hot Isostatic Pressing (HIP) has been selected as a means of treating calcined high level waste (HLW). The process combines high temperature and ...

COMSOL-Based Nuclear Reactor Kinetics Studies at the HFIR

D. Chandler[1], J. Freels[2], R. Primm III[3], and G. Maldonado[1]
[1]Department of Nuclear Engineering, University of Tennessee, Knoxville, TN
[2]Research Reactors Division, Oak Ridge National Laboratory, Oak Ridge, TN
[3]Primm Consulting, LLC., Knoxville, TN

The computational ability to accurately predict the dynamic behavior of a nuclear reactor core in response to reactivity-induced perturbations is an ...

A 2D Axisymmetric Electrodeposition Model

R. Pryor
Pryor Knowledge Systems, Inc.
Bloomfield Hills, MI

Electroplating is a vital technology widely employed for many technological applications ranging from decorative or anti-corrosion coatings to high ...

Design of Cooling System for Electronic Devices Using Impinging Jets

P. Lin[1], C. Chang[2], H. Huang[3], and B. Zheng[4]
[1]Mechanical and Aerospace Eng., Rutgers, The State University of New Jersey, Piscataway, NJ
[2]FTR Systems (Shanghai) Inc., Shanghai, China
[3]PolarOnyx, Inc., San Jose, CA
[4]School of Mechatronics Eng., University of Electronic Science and Technology of China, Chengdu, China

The heat sink designs using impinging liquid jets, which form stagnation flows, feature uniform heat transfer coefficients, and provide thin thermal ...