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.

From customer requirement to product requirement with COMSOL

A.B. Nilsson
BD Medical - Medical Surgical Systems, Helsingborg, Sweden

Anders B Nilsson graduated M. Sc. in engineering physics from Lund University in Sweden. He has been working in the R&D department at BD Medical as principal engineer and project leader since 2005. He uses COMSOL for a wide range of functions, such as early concept development and qualification of products.

Modeling the Performance of Energy Recovery Ventilators

N. Lemcoff[1], R. Pastor[2], and E. Miravete[1]
[1]Rensselaer Polytechnic Institute, Hartford, CT
[2]General Dynamics Electric Boat, Groton, CT

The objective of this study is to numerically evaluate the effectiveness of an energy recovery ventilator (ERV) during the summer and winter seasons. The energy recovery ventilator allows heat and mass transfer between two air streams separated by a membrane. The effects of varying the following parameters were examined: flows through the supply and exhaust ducts, height of the exhaust channel, ...

Modelling Aircraft Fuel Gauging Unit using COMSOL Multiphysics Software

T. Ekwevugbe[1], and G. Bevan[2]
[1]Institute of Energy and Sustainable Development, De Montfort University, Leicester, United Kingdom
[2]School of Engineering and Computing, Glasgow Caledonian University, Glasgow, Scotland

An investigation was undertaken into the suitability of using COMSOL for modeling an aircraft capacitive fuel gauging unit. A model of a sensor immersed in a fluid was developed for rectangular tank geometry with a range of fluid levels and sensor orientation using the electrostatics application mode in COMSOL’s AC/DC module The importance of modeling the capacitance of air was demonstrated. ...

CFD Analysis of Argon Cell for Pyrochemical Processing

S. Agarwal[1], S. P. Ruhela[1], B. Muralidharan[1], B. P. Reddy[2], B. K. Sharma[1], K. Nagarajan[2], C. A. Babu[3], and K. K. Rajan[1]
[1]Fast Reactor Technology Group, Indira Gandhi Centre for Atomic Research
[2]Chemistry Group, Indira Gandhi Centre for Atomic Research
[3]HBNI & CDG, Indira Gandhi Centre for Atomic Research

An inactive Demonstration facility for the integrated pyroprocess, named High temperature Electrorefining (HTER) facility is in developing stage. This facility is equipped with several types of pyroprocess equipment such as electro-refiner, salt and cadmium distillation equipment, scraping equipment and tilting equipment inside an Argon cell. To operate the argon cell safely, all generated ...

Efficient Generation of Surface Plasmon Polaritons with Asymmetric Nano-structures

J. Chen
Peking University

This paper covers the following: * All-Optical Light Modulation of surface plasmon polaritons (SPPs) is achieved using asymmetric single nanoslits. A high on/off switching ratio of >20 dB and phase variation of >? were observed with the device lateral dimension of only about 2 ?m. * Efficient unidirectional excitation of SPP as well as beam splitting are achieved using the dielectric–film ...

Ventilation System of a Microwave Assisted Drying Kiln

A.-G. Ghiaus[1], M.-A. Istrate[1], A. Georgescu[1]
[1]Technical University of Civil Engineering, Bucharest, Romania

The paper presents the analysis and optimization of the ventilation system inside of a drying lumber kiln. As with any part of the manufacturing process, improper drying techniques cause quality degradation and considerable amount of energy loose. The improvement and optimization of air distribution systems in drying kilns contributes to the preservation of the wood quality. The performance of ...

Optimizing Fuel Cell Design with COMSOL Multiphysics

Chin-Hsien Cheng[1]
[1]Renewable Energy RD Center, Chung-Hsin Electric & Machinery, Taiwan

Proton exchange membrane fuel cells (PEMFCs) were investigated using COMSOL Multiphysics with the AC/DC Module and Chemical Engineering Module. Simulation may be used to increase the performance while decreasing the cost of the catalyst later (CL). Experimental validation of single and multi-layer CL was performed for varied PBI electrolyte content. The validated model was used to investigate ...

Modeling Plant Morphodynamics in Predefined COMSOL Multiphysics® Interface

S. Nikolaev[1], A. Trubuil[2]
[1]Institute of cytology and genetics SB RAS, Novosibirsk, Russia
[2]Institut National de la Recherche Agronomique, Jouy-en-Josas, France

We used a predefined COMSOL Multiphysics® interface to imitate biological growth and shape change (morphodynamics). We found a set of parameters that supply observed morphodynamics for an Arabidopsis embryo during its transition from globular to heart stage.

Modelling of Non-Equilibrium Effects in Solvent-Enhanced Spontaneous Imbibition in Fractured Reservoirs

M. Chahardowli[1], R. Farajzadeh[1] , H. Bruining[1]
[1]TU Delft, Delft, The Netherlands

In fractured reservoirs, much of the oil is stored in low permeable matrix blocks that are surrounded by a high permeability fracture network. Therefore, production from fractured reservoir depends on the transfer between fracture and matrix, which is critically dependent on their interaction. COMSOL Multiphysics® was implemented to model the process of penetration of the aqueous phase into an ...

Improvement of the Reflective Characteristic of the Microwave Ion Source Chamber with COMSOL®

[1]Hirohiko MURATA

Sumitomo Heavy Industries, Ltd., Shinagawa, Tokyo, Japan[1]

We, Sumitomo Heavy Industries, Ltd. have been developing a microwave ion source since 2011. The design of the chamber is important to generate plasma efficiently. The plasma chamber was designed with the COMSOL Multiphysics RF module, and reported the results at this conference last year. In order to improve the reflective characteristic further, we redesigned the plasma chamber with the RF ...

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