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Modeling of Non-Equilibrium Effects in the Gravity Driven Countercurrent Imbibition

M. Chahardowli[1], R. Farajzadeh[1], J. Bruining[1]
[1]Department of Geotechnology, Delft University of Technology, Delft, The Netherlands

One of the main mechanisms in the secondary oil migration from the source rock into oil traps is gravity driven countercurrent imbibition. Many ...

Passive Cooling of Power Electronics: Heat in the Box

M. Berger[1], W. Schernus[1]
[1]West Coast University of Applied Sciences, Heide, Germany

Results presented are a contribution to the design of a 5kW-DC-AC-converter for applications in forklifts. The device is located in a closed ...

Simulation of Differential Ion Mobility (DMS) Principle Coupled with Mass Spectrometry in Atmospheric Pressure

F. Sinatra[1], T. Wu[2], A. Avila[2], E. Nazarov[1], T. Evans-Nguyen[1], J. Wang[2]
[1]Draper Laboratory, Tampa, FL, USA
[2]University of South Florida, Tampa, FL, USA

Mass spectrometry is an analytical technique widely used in the scientific community to determine chemical composition of sample compounds. Typically, ...

Modeling the Effect of Discrete Distributions of Platinum Particles in the PEM Fuel Cell Catalyst Layer

C.F. Cetinbas[1], A.K. Prasad[2], S.G. Advani[1]
[1]Center for Fuel Cell Research, Department of Mechanical Engineering, University of Delaware, Newark, DE, USA
[2]University of Delaware, Newark, DE, USA

In this study, the basic catalyst layer (CL) structure, consisting of carbon-supported Pt particles (C|Pt) and an ionomer binder, is investigated ...

Analysis of Working Fluid Flow and Debris Behavior in Micro-EDM Gap Area

Masashi MACHIDA[1]

[1]Tokyo University of Agriculture and Technology, Fuchu, Tokyo, Japan

Debris, micro particles produced by discharges, stay in the gap area during deep hole machining by micro EDM, cause short-circuits and abnormal ...

Thermal Natural Convection Simulations with COMSOL Multiphysics® in Comparison with Measurements - new

H. van Halewijn[1]
[1]Fontys University of Applied Physics, Eindhoven, The Netherlands

In a laboratory setup a horizontal rod is heated on one side. By natural convection a stable temperature pattern is developed. Using the Nusselt ...

1D Axisymmetric Modeling of Shrinkage for Non-Porous Materials

J. M. Meot [1], A. Briffaz [1], J. Jacquin [2], S. Rashidi [2]
[1] Cirad, UMR QualiSud, Montpellier, France
[2] Bureau national Interprofessionnel du Pruneau, Villeneuve, France

A 1D-axisymmetric model was built to represent the drying of a single d’Ente plum to d’Agen prune. Underlying assumptions of the model were those of Di ...

Argon Plasma Simulations for Educational Purposes at Fontys University of Applied Physics

H. van Halewijn [1],
[1] Fontys University of Applied Physics, The Netherlands

At the Fontys University of Applied Physics (The Netherlands) a plasma etcher has been acquired for educational purposes. The machine operates at low ...

Multiphysics Analysis and Optimization of Mechatronic Device Applications for Switching Devices

O. Cracium[1]
[1]ABB, Ladenburg, Germany

Medium- and high-voltage circuit breakers and reclosers are important grid protection devices that connect different grid sources and increase the ...

AlGaInAs/InP Hexagonal Resonator Microlasers with a Center Hole

H. Weng [1], Y. Yang [1], B. Liu [1], X. Ma [1]
[1] Institute of Semiconductors, Chinese Academy of Science, Beijing, China

In the past decades, equilateral polygonal microcavity lasers with whispering-gallery modes (WGMs) have attracted great attentions due to their ...