Scopri come la simulazione multifisica viene utilizzata per ricerca e sviluppo

In questa sezione troverete i lavori presentati alle Conferenze mondiali COMSOL. Le presentazioni descrivono ricerche e prodotti innovativi progettati con COMSOL Multiphysics da colleghi di tutto il mondo. I temi delle ricerche presentate abbracciano un'ampia gamma di settori produttivi e aree applicative, in ambito elettrico, meccanico, fluidodinamico e chimico. Lo strumento di Ricerca Rapida vi permetterà di trovare le presentazioni che si riferiscono all'area di vostro interesse.


Visualizza gli articoli presentati alla COMSOL Conference 2020

Chemical Reaction Engineeringx

Column Adsorption of Copper and Silver Ions on Modified Porous Glass

M. Witczak [1],
[1] Wroclaw University of Technology, Wroclaw, Poland

Constantly growing industry necessitates the development of more effective methods to protect the environment against waste in the form of metal ions. Among many methods used to purify the environment from damaging substances a very attractive and efficient method is adsorption. In this ... Per saperne di più

Modeling and Simulation of Flat Sheet Membrane with Physical and Chemical Absorption

N. Ghasem [1], M. Al-Marzouqi [2],
[1] UAE University, Al-Ain, UAE
[2] UAE University, Al-Ain, UAE

Greenhouse gases trap heat and make the planet warmer. The main greenhouse gases emitted by human activities are: Carbon dioxide (CO2). The use of fossil fuel is the primary source of CO2 [1, 2]. Accordingly, there is a need for an efficient and novel separation processes for removal of ... Per saperne di più

Simulator for Automotive Evaporative Emissions Restraint Systems

S. Schlüter [1], E. Schieferstein [1], T. Hennig [1], K. Meller [1],
[1] Fraunhofer UMSICHT, Oberhausen, Germany

Fuel vapor restraint systems are used in vehicles to avoid discharge of volatile hydrocarbons from fuel tanks. The topic of this paper is the proper operation of fuel vapor restraint systems depending on the composition of bioethanol-fuel-blends. Experimental data serve as input to a ... Per saperne di più

A Modified Koutecký-Levich Equation for the Analysis of Electrochemical Flow Cells with Complex Geometries

S. A. Tschupp [1], S. E. Temmel [1], N. Poyatos Salguero [1], J. Herranz [1], T.J. Schmidt [2],
[1] Paul Scherrer Institut, Villigen, Switzerland
[2] ETH Zürich, Zürich, Switzerland

Electrochemical flow cells have found widespread use in analytical chemistry due to their short response time, high sensitivity and selectivity. The geometrical flexibility and therefore, the ease of coupling the electrochemical to other experimental techniques has attracted considerable ... Per saperne di più

Computational Optimization of Battery Grid for Efficiency and Performance Improvement

V. Panneerselvam [1], R. C. Thiagarajan [1]
[1] ATOA Scientific Technologies Pvt Ltd, Bengaluru, India

Battery grids are critical system used in automobile, renewable energy, medical devices and mobile phones. Research efforts are directed to increase energy density, longevity and reduce the cost. This paper is related to computational optimisation of lead acid battery for efficiency and ... Per saperne di più

Charge-Discharge Studies of Lithium Iron Phosphate Batteries

A. K. R. Paul [1], R. D. Pal [2],
[1] CSIR-Central Electrochemical Research Institute, Karaikudi, Tamil Nadu, India
[2] Academy of Scientific and Innovative Research, Chennai, Tamil Nadu, India

A lithium-ion battery comprises of two intercalating electrodes separated by a membrane, sandwiched between aluminum and copper current collecting plates. The battery performance depends upon several parameters and its operating conditions. In this work we developed a model for a lithium ... Per saperne di più

CAE-Based Design and Optimization of a Plasma Reactor for Hydrocarbon Processing

C. Soares [1], F. A. Cassini [1], N. Padoin [1],
[1] Universidade Federal de Santa Catarina, Florianópolis, SC, Brasil

Plasma reactors can be applied to the conversion of waste, biomass and fuels to synthesis gas (mixture of hydrogen and carbon dioxide) with efficiencies as higher as 90-95% and low energy demand, depending on the design optimization. In this work, a multi-step approach was applied to the ... Per saperne di più

Modelagem da Perda de Umidade da Banana Durante o Processo de Secagem

J. P. Wojeicchowski [1], A. P. Ramos [2], J. S. Sousa [1], L. G. Maciel [1], M. M. Pariona [1],
[1] Universidade Estadual de Ponta Grossa, Ponta Grossa, PR, Brasil
[2] Universidad Peruana Unión, Juliaca, Peru

O objetivo deste trabalho foi modelar a perda de umidade de bananas Caturra com os modelos empíricos e com o software COMSOL Multiphysics, definindo os coeficientes convectivo de transferência de massa e difusivo. O valor obtido para coeficiente de difusão, com base no ajuste matemático ... Per saperne di più

Chemical Reaction Engineering: Difusão com Biotransformação

D. R. M. Vieira [1], S. A. Cardoso [1], A. S. Santos [1],
[1] Universidade Federal do Pará, Pará, Brasil

A biotransformação de substratos utilizando enzimas imobilizadas em nanopartículas presentes num meio fluido (substrato), contido num bioreator CSTR, foi investigada. O software COMSOL Multiphysics foi usado para simular o sistema através do uso das equações de difusão de espécies ... Per saperne di più

Mathematical Formulation of a PEM Fuel Cell Model

E. Robalinho [1], E. F. Cunha [2], M. Linardi [2], E. I. Santiago [2],
[1] Instituto de Pesquisas Energéticas e Nucleares - IPEN/CNEN, São Paulo, SP, Brazil; and Instituto Federal do Rio Grande do Sul - IFRS, Porto Alegre, RS, Brazil
[2] Instituto de Pesquisas Energéticas e Nucleares - IPEN/CNEN, São Paulo, SP, Brazil

The idea of a friendly implementation of a mathematical formulation using specialist software was performed with the support of COMSOL Multiphysics® software with Chemical Reaction Engineering and Batteries & Fuel Cell Modules. The real problem of a Proton Exchange Membrane – PEM ... Per saperne di più