研究開発におけるマルチフィジックスシミュレーションの具体例

さまざまな業界のエンジニア, 研究者, 科学者がマルチフィジックスシミュレーションを使用して革新的な製品の設計とプロセスを研究および開発しています. COMSOL カンファレンスで発表したテクニカルペーパーやプレゼンテーションからインスピレーションを得てください. 以下の選択項目を参照するか, クイック検索ツールを使用して特定のプレゼンテーションを検索するか, アプリケーション領域でフィルタリングします.


COMSOL コンファレンス 2020 論文集を見る

Batteries, Fuel Cells, and Electrochemical Processesx

Thermal Integration of Coupled SOFC System with a High-Performing Metal Hydride Storage

A. Mossadegh Pour[1], A. Dhira [1], R. Steinberger-Wilckensa[1]
[1]Department of Chemistry, University of Birmingham, Edgbaston, Birmingham, United Kingdom

Auxiliary Power Units can play an important role in reducing vehicle emissions, especially in diesel and kerosene driven vehicles. In conventional vehicles the electricity supply comes from a generator that is directly coupled to the propulsion engine. New generation of fuel cell APUs ... 詳細を見る

Modeling of Charge Transport in Ion Bipolar Junction Transistors

A.V. Volkov[1], K. Tybrandt[1], I.V. Zozoulenko[1], M. Berggren[1]
[1]Organic Electronics, ITN, Linköping University, Norrköping, Sweden

Modeling of an ion bipolar junction transistor (IBJT) is performed using the COMSOL Multiphysics® software. Our model describes the IBJT which was developed and characterized [1]. The IBJT under consideration consists of an anion-selective collector and emitter, a cation-selective base ... 詳細を見る

Modeling of the Material/Electrolyte Interface and the Electrical Current Generated During the Pulse Electrochemical Machining of Grey Cast Iron

O. Weber[1], A. Rebschläger[1], P. Steuer[1], D. Bähre[2]
[1]Center for Mechatronics and Automatization, Saarbrücken, Germany
[2]Institute of Production Engineering, Saarland University, Saarbrücken, Germany

The Pulse Electrochemical Machining is especially suitable for the precise production of complex geometric contours with high precision and high surface quality demands in series manufacturing. During this process, the negative structure of an electrode is copied to the workpiece without ... 詳細を見る

Modeling of Liquid Water Distribution at Cathode Gas Flow Channels in Proton Exchange Membrane Fuel Cell – PEMFC

S. Skoda[1], E. Robalinho[2], A. Paulino[1], E.F. Cunha[1], M. Linardi[1]
[1]Instituto de Pesquisas Energéticas e Nucleares, São Paulo, Brazil
[2]Universidade Nove de Julho, São Paulo, Brazil

The objective of this study is to determine the locations where liquid water accumulates at cathode gas flow channels, and the corresponding operating conditions. In such way it is possible to mitigate slug flow, responsible for channel blockage and hindering the diffusion of reactants ... 詳細を見る

Numerical Modelling of Solid Oxide Fuel Cells: Role of Various Cell Parameters on Performance

O. Ighodaro[1], K. Scott[1]
[1]Newcastle University, Newcastle upon Tyne, United Kingdom

Solid oxide fuel cells (SOFCs) are expected to play a major role in future energy systems due to their wide range of applications, high energy efficiency, environmental friendliness and good fuel flexibility. While conventional high temperature SOFCs operate at about 1000C, there is ... 詳細を見る

Heat Transfer Modelling of Single High Temperature Polymer Electrolyte Fuel Cell (HT PEFC) Using COMSOL Multiphysics®

V. Venkataraman[1]
[1]Centre for Hydrogen & Fuel Cell Research, University of Birmingham, United Kingdom

In this paper a 3D geometry of a single HT PEFC with all the components (membrane, cathode, anode & bipolar plate with flow field) was modelled for heat transfer. The source of heat within the fuel cell is the internal heat generated from electrochemical reactions. Heat source terms ... 詳細を見る

Simplified Multiphysics Model for All-Solid State Microbatteries

M.S. Nesro[1], I.M. Elfadel[1]
[1]Masdar Institute of Science and Technology, Masdar City, Abu Dhabi, UAE

Lithium microbatteries are replacing conventional power sources in many microsystems areas such as wireless sensors and biomedical monitors. In many of these applications, compact models of micro batteries are needed both at the microsystems design stage and at the real-time power ... 詳細を見る

Electrical Behaviour of a Li-ion Polymer Battery

P. Alamar[1], J. Esarte[1]
[1]Fundación CETENA, Navarra, Spain

With a view to estimating electrical characteristics of a Polymer Li-ion Battery during specific charge and discharge conditions, a COMSOL Multiphysics® model has been developed that accounts for electrochemical phenomena inside the device. Cell model has been created using the Li-Ion ... 詳細を見る

State of Charge (SOC) Governed Fast Charging Method for Lithium Based Batteries

F. Naznin[1]
[1]TVS Motor Company Ltd., Hosur, Tamil Nadu, India

The proposed State of Charge (SOC) governed fast charging method for secondary lithium based batteries charges a battery many times faster than the normal Constant Current-Constant Voltage (CC-CV) charging and reduces the side-effects generally accompanied by various fast charging ... 詳細を見る

Modeling the Adsorption of Ions on Electrodes in a Flow Cell

R Venkataraghavan[1], Tinto Alencherry [1], Naveen A[2]
[1]Unilever R&D Bangalore, Whitefield, Bangalore, India
[2]IISER Pune, Pashan, Pune, Maharashtra, India

Efficient and low cost deionization is a major technology challenge. Energy efficient technologies like Capacitive deionization (CDI) are possible emerging alternatives. In the present work, we simulate charge adsorption in a 2D flow cell to study its dependence on applied potential and ... 詳細を見る