Here you will find presentations given at COMSOL Conferences around the globe. The presentations explore the innovative research and products designed by your peers using COMSOL Multiphysics. Research topics span a wide array of industries and application areas, including the electrical, mechanical, fluid, and chemical disciplines. Use the Quick Search to find presentations pertaining to your application area.
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Thermal Modelling For The Implementation Of An Energetic Efficiency Control System In A Room Of Meetings Of Singular Geometry

M. Martínez, V. Fuster, J. Fernández, and I. Benítez
Instituto Tecnológico de la Energía (ITE), Paterna, Valencia, Spain

The aim of this Project is to obtain a temporary and spatial evolution model of the temperature into a meeting room with the aim to develop an efficient energy mechanism which can improve the air conditioner control system. The project has considered two extremes cases: on the one hand a typical summer day and on the other hand a winter day. From annual data of the Institute weather station a ...

Blistering of Industrial Floor on Concrete Substrate: the Role of the Air Overpressure

S.V. Aher[2], P. Devillers[1], G. Fau[3], B. Tranain[3], and C. Buisson[1]
[1]Centre des Matériaux de Grande Diffusion, Ecole des Mines d’Alès, Alès cedex, France
[2]Indian Institute of Technology Kanpur, Kalyanpur, Kanpur, Uttar Pradesh, India
[3]Centre Scientifique et Technique du Bâtiment, France

Surface coating can fullfil their function satisfactorily over an extended period of time only if there is a good bond between the concrete substrate and the coating. The most numerous cases of blistering affect the airtight covers of the concrete subjected to negative pressures of humidity from the support. The general objective of this study is the understanding of the blistering phenomenon. ...

Thermal and Laminar-Fluidic Workbench for a metric Portion of a Gun

M. Brun
Nexter Systems, Versailles, France

Part of a 120mm gun has been represented as a perforated conic iron solid, surrounded by an annular screen. Inside the gun are limit conditions of isolation or thermal flux. The screen is described as a shell, receiving solar heat and exchanging with the outside atmosphere. It bears a defined number of holes on its top and bottom lines, maintaining semi-captive air between itself and the gun. ...

Fruit Optical Properties Assessment by Means of Spatially Resolved Spectroscopy

E. Madieta[1], V. Piron[2], A. Flament[1], J.P. L’Huillier[2], and E. Mehinagic[1]
[1]PRES L’UNAM, ESA, Grappe, Angers, France
[2]ENSAM Paristech, Angers, France

Since the invention of laser sources, understanding the interaction between the laser and biological tissues is a subject of great importance because of their medical applications in particular for diagnostic purposes. They recently found a growing interest in the sector of the arboriculture to check the fruits quality in a non-destructive way. In this work, we study the interaction between the ...

Analysis Of The Design Criteria For Ancient Greek And Roman Catapults

K.M. Paasch
Center for Product Development, Mads Clausen Institute, South Danish University, Denmark

This paper will give a short overview of use of COMSOL Multiphysics for analyzing ancient Greek and Roman catapults with the main focus on the energy storing torsion springs. Catapults have been known and used in the Greek and Roman world from around 399 BC and a fully standardized design for powerful torsion catapults emerged around 270 BC, based on one basic factor, the diameter of the torsion ...

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