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Voyez comment la modélisation et la simulation sont utilisées par les industries La modélisation et la simulation multiphysiques pilotent l'innovation dans tous les grands secteurs d'activité et dans le monde universitaire — comme en témoignent les nombreuses utilisations présentées dans des articles et des posters techniques présentés par des ingénieurs, chercheurs et scientifiques à la Conférence COMSOL chaque année. Inspirez-vous des récents proceedings réunis ci-dessous, ou, pour trouver les présentations les plus intéressantes dans votre domaine d'intérêt, utilisez la recherche rapide.

Consultez les proceedings de la Conference COMSOL 2024

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Modeling of Drying of Cellular Ceramic Structures: Coupled Electromagnetic and Multiphase Porous Media Model

A. Dhall[1], G. Peng[2], G. Squier[2], M. Geremew[3], L. Bogaczyk[2], J. George[3], W.A. Wood[3], and A.K. Datta[1]
[1]Biological and Environmental Engineering, Cornell University, Ithaca, New York, USA
[2]Manufacturing Technology & Engineering, Corning Inc., Sullivan Park, Corning, New York, USA
[3]Corporate Research, Corning Inc., Sullivan Park, Corning, New York, USA

Cellular ceramic substrates are extensively used for pollution control systems in vehicles. The manufacturing process of them can involve microwave drying. In this study, we describe the development of a modeling framework for the microwave drying process of these substrates. The ... En savoir plus

Coupling Multiscale Phenomena in Alkaline Electrolyzer Stack Simulation Using Reduced Order Models

Priit Priimägi¹, Jonathan Dallaire², Kevin Van Droogenbroek³, Joris Proost³, Kresten Juel Jensen², Rainer Küngas¹
¹Stargate Hydrogen Solutions OÜ, Tallinn, Estonia
²Resolvent Denmark P/S (Certified COMSOL Consultant), Måløv, Denmark
³Division of Materials and Process Engineering, Université catholique de Louvain, Louvain-la-Neuve, Belgium

Porous three-dimensional electrodes are promising for use in alkaline electrolyzer due to their high surface area. Nickel foams, specifically, serve a dual purpose as both a current collector and an active working electrode, enhancing current density and boosting hydrogen production[1]. ... En savoir plus

Boundary conditions in multiphase, porous media, transport models of thermal processes with rapid evaporation

A. Datta[1], and A. Halder[1]
[1]Biological and Environmental Engineering, Cornell University, Ithaca, New York, USA

In modeling of thermal processing of biological materials with rapid evaporation, it is critical to provide boundary conditions consistent with the phenomena happening at the surface to accurately predict spatial temperature and moisture content for quality and safety assurance. Boundary ... En savoir plus

Computational Fluid Dynamics (CFD) Simulation of Multiphase Flow in Biogas Digester

V. S. Kshirsagar[1], P. M. Pawar[1]
[1]SVERI's College of Engineering, Pandharpur, Maharashtra, India

Effective suspension and settling are critical for controlling biomass retention in a biogas digester. This paper developed a Computational Fluid Dynamics (CFD) model to simulate the hydrodynamic characteristics of multiphase flow in biogas digester. This is carried out by using COMSOL ... En savoir plus

Modeling Ground Deformation at Campi Flegrei Caldera Using COMSOL Multiphysics

Pierdomenico Romano¹, Bellina Di Lieto¹, Annarita Mangiacapra¹, Zaccaria Petrillo¹
¹INGV - Osservatorio Vesuviano, Naples, Italy

Campi Flegrei (CF) is the largest active urbanized caldera in Europe, currently experiencing slow but progressive ground uplift and increasing seismicity since 2005. This deformation is marked by transient variations in uplift rates, with monotonic episodes lasting weeks to years. In ... En savoir plus

External Field Induced Flow Patterns in Microscale Multiphase Flows

D. Bandyopadhyay[1], A. Sharma[1], S. Timung[1], V. Tiwari[1], T. K. Mandal[1]
[1]Department of Chemical Engineering, Indian Institute of Technology Guwahati, Guwahati, Assam, India

The study of multiphase flows inside the microfluidic devices has received much attention recently because of its applications in heat and mass transfer, mixing, microreaction, emulsification and most importantly in MEMS and lab-on-a-chip. We study the influence of an electric field on ... En savoir plus

Modeling and Optimization of 3D Electroformed Ni Electrodes for Alkaline Electrolysis in COMSOL

Abimbola Ashaju¹, Ahmad Harbiye¹, Nicolas Hildenbrand¹, Paul Luning¹
¹Veco B.V.

Electroformed Ni-based 3D electrodes (NiE3) offer a novel approach to enhancing alkaline electrolysis performance by increasing surface area and active sites, leading to intensified electrolysis reactions and improved efficiency. However, inefficient bubble release from the produced ... En savoir plus

Finite element modelling of three-phase non-isothermal flow in heavy oil reservoirs- case study SAGD

T. Nassan¹, M. Amro¹
¹Freiberg University of Technology, Freiberg, Sachs, Germany

Thermal enhanced oil recovery methods form the majority of the enhanced oil recovery projects worldwide. Among the thermal methods, steam injection is the most effective and most applied process in petroleum industry. The main mechanism of the steam injection method is the reduction of ... En savoir plus

Multiphase Porous Media Model for Microwave Drying Spherical Potatoes

H. Zhu[1], T. Gulati[2], K. Huang[1], A.K. Datta[2]
[1]Sichuan University, Chengdu, Sichuan, China
[2]Cornell University, Ithaca, NY, USA

Mathematical description of microwave drying requires the solution of two different physics: electromagnetics in the microwave oven cavity and food material and, transport process (mass, momentum and heat transport) in the food material. Maxwell’s equations for electromagnetics were ... En savoir plus

Magneto-hydrodynamic Flow in Electrolyte Solutions

M. Qin[1], and H. Bau[1]
[1]Department of Mechanical Engineering and Applied Mechanics, University of Pennsylvania, Pennsylvania, USA

The paper presents and compares two models for simulating magneto-hydrodynamic flow of RedOx electrolyte in a conduit patterned with circular pillars. The first model solves the coupled Nernst-Planck and Navier-Stokes equations subjected to Butler-Volmer electrode kinetics and provides ... En savoir plus

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