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Multiphysics Simulation of Thermoelectric Systems - Modeling of Peltier-Cooling and Thermoelectric Generation

M. Jaegle
Fraunhofer-Institute for Physical Measurement-Techniques (IPM), Freiburg, Germany

Electro-thermal interaction is commonly considered only as a matter of joule heating. In addition, the Seebeck-, Peltier- and Thompson-Effects are ...

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 ...

High Temperature Process Simulation

O. Geoffroy, and H. Rouch
INOPRO, Villard de Lans, France

The crystal growth industry uses high temperature processes. To improve production efficiency, a good knowledge of thermal effects is necessary. We show in this article a methodology to get reliable data by mixing simplified models, sensitivity studies and parameters adjustments. The precision is improved by comparison with experimental measurements.

Magnetic Ratchet

A. Auge, F. Wittbracht, A. Weddemann, and A. Hütten
Department of Physics, University of Bielefeld, Germany

Transport phenomena in spatially periodic magnetic systems, in particular the directed transport of magnetic beads in a so called magnetic ratchet ...

Micro Cooling of SQUID Sensor

B. Ottosson[1], Y. Jouahri[2], C. Rusu[1], and P. Enoksson[2]
[1]Imego AB, Gothenburg, Sweden
[2]Chalmers University of Technology, Gothenburg, Sweden

The objective of this work has been to realize a feasibility study of a cooling device for a SQUID sensor using liquid nitrogen flowing through micro ...

Lava Tubes at Shallow Depth

M. Di Bari, and G. Zito
University of Bari, Italy

Many theoretical studies concerning lava tubes focus on the thermal disturbances generated on the earth surface. Recently a solution was  ...

Heat and Mass Transfer in Convective Drying Processes

C. Gavrila[1], A. Ghiaus[1], and I. Gruia[2]
[1]Technical University of Civil Engineering Bucharest, Faculty of Building Services, Bucharest, Romania
[2]University of Bucharest, Faculty of Physics, Bucharest, Romania

A dynamic mathematical model, based on physical and transport properties and mass and energy balances, was developed for the simulation of unsteady ...

Analyzing Muffler Performance Using the Transfer Matrix Method 

K. Andersen
Dinex Emission Technology A/S, Middelfart, Denmark

Exhaust noise must meet legislation targets, customer expectations and cost reduction which call for design optimization of the exhaust systems in the ...

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 ...

Accuracy Tests for COMSOL - and Delaunay Meshes

E. Holzbecher, and Hang Si
Weierstrass Institute for Applied Analysis and Stochastics (WIAS), Berlin, Germany

In the paper we examine the accuracy of various meshes for different model regions and simple differential equations in 2D and in 3D. We study the ...

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