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Thermal Simulations of a LED Light Using COMSOL Multiphysics

M. Maaspuro[1]
[1]University of Turku, Turku, FInland

An experimental LED light composed of a multi-chip LED-module, a LED driver and an efficient heat sink, was investigated using COMSOL Multiphysics ...

Simulation of PTFE Billet Sintering using COMSOL

A. Roday, and P. Nicosia
Garlock Sealing Technologies
Palmyra, NY

Sintering is an important step in the manufacturing of polytetrafluoroethylene (PTFE) billets. The challenge in heating large billets stems from the ...

Modeling of a Counter Flow Plate Fin Heat Exchanger - new

R. Jia[1], J. Hu[1], X. Xiong[2]
[1]Department of Mechanical Engineering, University of Bridgeport, Bridgeport, CT, USA
[2]Department of Electrical and Computer Engineering, University of Bridgeport, Bridgeport, CT, USA

Plate fin heat exchangers are widely used for heat recovery or cooling purposes in many industries, such as cryogenics, aerospace and automobile ...

Modeling Integrated Thermoelectric Generator-Photovoltaic Thermal (TEG-PVT) System - new

R. Kiflemariam[1], M. Almas[1], C. Lin[1]
[1]Department of Mechanical & Materials Engineering, Florida International University, Miami, FL, USA

2D steady state heat conduction-electric current model was created in COMSOL Multiphysics® software to study the performance of thermoelectric ...

Stefan's Problem: Validation of a One-Dimensional Solid-Liquid Phase Change Heat Transfer Process

D. Groulx, and W. Ogoh
Dalhousie University, Halifax, NS, Canada

A 1D phase change problem, known as Stefan’s problem, for which analytical solutions are available, is solved as a 2D problem using COMSOL ...

Numerical Study of a High Temperature Latent Heat Storage (200-300oC) Using Eutectic Nitrate Salt of Sodium Nitrate and Potassium Nitrate

C.W. Foong, J.E. Hustad, J. Løvseth, and O.J. Nydal
Department of Energy and Process Engineering, Norwegian University of Science and Technology, Trondheim, Norway

In this study, a small scale direct solar thermal energy storage system with secondary reflector is designed and developed. The main advantage of ...

Topology Optimization of Thermal Heat Sinks

J. H. K. Haertel [1], K. Engelbrecht [1], B. S. Lazarov [2], O. Sigmund [2],
[1] Technical University of Denmark, Roskilde, Denmark
[2] Technical University of Denmark, Kgs. Lynby, Denmark

1. Introduction The topology optimization method is becoming increasingly popular as a design tool for multiphysics systems [1,2]. Topology ...

Design of Solar Thermal Dryers for 24-hour Food Drying Processes

F. S. Alleyne [1], R. R. Milczarek [1],
[1] Healthy Processed Foods Research Unit, U.S. Department of Agriculture, Albany, CA, USA

Solar drying is a ubiquitous method that has been adopted for many years as a food preservation method. Most of the published articles in the ...

Simulation of Cascaded Thermoelectric Devices for Cryogenic Medical Treatment - new

P. Aliabadi[1], S. Mahmoud[1], R. K. AL-Dadah[1]
[1]Mechanical Engineering Department, University of Birmingham, Birmingham, UK

This study is focused on using a thermoelectric device (TED) as an alternative to the cryogenic liquid for cooling cryosurgical probe used for ...

Numerical Prediction of Weld Bead Geometry in Plasma Arc Welding of Titanium Sheets - new

V. Dhinakaran[1], S. Khope[1], N. S. Shanmugam[1] , K. Sankaranarayanasamy[1]
[1]National Institute of Technology, Tiruchirappalli, Tiruchirappalli, Tamil Nadu, India

Plasma Arc Welding (PAW) is one of the important arc welding processes commonly used in electronics, medical, automotive and aerospace industries due ...