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The use of COMSOL for Building Constructions Engineering Regarding Heat and Moisture Transport

H. Schellen, A. van Schijndel, and P. Briggen
Eindhoven University of Technology, Eindhoven, Netherlands

Hunting Lodge St. Hubertus is one of the most prominent Dutch buildings from the early twentieth century. An extensive study of wind and wind-driven ...

Kinetics and Reactor Modeling of Methanol Synthesis from Synthesis Gas

H. Bakhtiary, F. Hayer, H. Venvik, A. Holmen
Norwegian University of Science and Technology Trondheim

Methanol synthesis is a typical reaction in heterogeneous catalysis. In this work, we have studied a laboratory fixed-bed reactor packed with a Cu/Zn ...

Comparing Equations for Two-Phase Fluid Flow in Porous Media

T. Bjornara, and E. Aker
NGI, Oslo, Norway

Various types of equation system formulations for modeling two-phase flow in porous media using the finite element method have been investigated. These ...

Analysis of Ancient Natural Ventilation Systems inside the Pitti Palace in Florence

C. Balocco
Dipartimento di Energetica “Sergio Stecco”, Università degli Studi di Firenze, Firenze, Italy

This paper presents and discusses the first phase results of a wide ranging project concerning the study and prediction of the efficiency and energy ...

Thermal and Material Flow Modelling of Friction Stir Welding Using COMSOL

H. Schmidt[1,2], and J. Hattel[1]
[1]Technical University of Denmark, Kgs. Lyngby, Denmark
[2]HBS Engineering, Frederiksberg, Denmark

Two friction stir welding models are presented – a global thermal model using the temperature dependent heat source and a local material flow and ...

Finite Element Analysis of Ferrofluid Cooling of Heat Generating Devices

T. Strek
Institute of Applied Mechanics, Poznan University of Technology, Poznan, Poland

An external magnetic field imposed on a ferrofluid with a temperature gradient, results in a non-uniform magnetic body force, which leads to a form of ...

Linear Water Wave Propagation around Structures

L. Martinelli, and A. Lamberti
Universita di Bologna, Italy

Objective of this contribution is to show how to implement the Mild Slope Equations with COMSOL Multiphysics. These equations are commonly used to ...

COMSOL Multiphysics in Education – Chemical Reactions, Heat and Mass Transfer

R. Geike
Maschinenbau, Verfahrens- und Umwelttechnik, TFH Berlin, Berlin, Germany

In our Master program entitled “Verfahrenstechnik / Process Engineering” the main focus is placed on the use of computational method. This ...

Modeling of Respiratory Lung Motion as a Contact Problem of Elasticity Theory

R. Werner, J. Ehrhardt, and H. Handels
University Medical Center Hamburg-Eppendorf, Germany

Breathing motion is a major problem in radiotherapy of lung tumors. The development of techniques to adequately account for respiratory motion requires ...

Simulation of Optical Properties of the Si/SiO2/Al Interface  at the Rear of Industrially Fabricated Si Solar Cells

Y. Yang[1], and P. Altermatt[1,2]
[1]Institute for Solar Energy Research Hamelin (ISFH), Emmerthal, Germany
[2]Dep. Solar Energy Research, Inst. Solid-State Physics, Leibniz University of Hanover, Germany

The specular and diffuse reflection properties of sunlight at the rear surface of silicon solar cells with various degrees of roughness are computed by ...