Consultez les proceedings de la Conference COMSOL 2020
For civil engineering structures the interaction between concrete, its reinforcing steel bars and various environmental agents like humidity, CO2, O2 , and chloride is extremely important. Generally, the concrete provides appropriate conditions to prevent steel reinforcement bars from ... En savoir plus
Using the software COMSOL Multiphysics® based on the finite element method, a one-dimensionnal model has been developed to predict the transient behavior of a gaseous hydrogen flow through a porous bed. The problem is solved at a macroscopic scale, therefore, the porous bed is seen as a ... En savoir plus
Biodegradable scaffolds are often inserted in the body, to provide mechanical support to recovering broken or damaged tissues. Monitoring the degradation chemistry and mechanical response of these scaffolds is important: their degradation rate should match tissue regeneration rate, while ... En savoir plus
Granular and powdered activated carbons have been widely used for purification/filtration in air and water as catalysts or organic adsorbents. To obtain mechanical filtration capacity and inorganic reduction performance, activated carbon can be formed as a block-shaped porous media, ... En savoir plus
The DOE BETO consortium "ChemCatBio" has developed a packed bed catalyst for use in a Catalytic Fast Pyrolysis (CFP) process for producing biofuels and chemicals from lignocellulosic biomass. Another BETO consortium known as "CCPC" (Consortium for Computational Physics and Chemistry) is ... En savoir plus
Electrochemical systems are devices or processes in which an ionic conductor mediates the interconversion of chemical and electrical energy. This paper presents a model to simulate the electroplating of copper in a microcavity typically found in the plating of copper onto circuit ... En savoir plus
Modern adiabatic calorimeters are designed to keep thermal inertia as low as possible so that temperature-dependent reaction rates and heats of reaction can be accurately extracted from the thermocouple data. Published models of this type of equipment are generally zero dimensional (0D) ... En savoir plus
This paper studies external corrosion of an underground transmission pipeline carrying natural gas. Pitting corrosion and Stress Corrosion Cracking (SCC) are two most common external corrosion types for buried pipelines and they usually happen when the mitigation methods such as coating ... En savoir plus
Near-field scanning optical microscopy (NSOM) combines the potential of scanning probe technology with the power of optical microscopy and provides us with eyes for the nanoworld. NSOM probes require a subwavelength optical aperture with wide cone angle of the probe to efficiently ... En savoir plus
A 3D unsteady state chemical reaction system was modeled using COMSOL Multiphysics® simulation software. In this work, the Chemical Reaction Engineering Module was integrated to calculate physical, chemical and thermodynamic properties and transport phenomena. Advanced materials such as ... En savoir plus