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

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COMSOL コンファレンス 2020 論文集を見る

Computational Fluid Dynamicsx

Electrical field effect on CO2 absorption and chemisorption in a rectangular bubble column by COMSOL new

Raman Kumar Singh1, Prakash Chandra Ghosh1, Venkatasailanathan Ramadesigan1
1Department of Energy Science and Engineering, IIT Bombay, Mumbai, India

The chemisorption and absorption of CO2 bubbles have been extensively studied and modeled in literature. CO2 gas is converted into aqueous CO2, which produces OH-, HCO3- and CO32- - ions in the solution. In this study, a 3D CO2 bubble column is simulated using COMSOL Multiphysics, ... 詳細を見る

Mechanical Stability and Flow Analysis of Hollow Microneedle array for Transdermal Drug Delivery new

Gowthami Anbazhagan1, Sreeja B S1
1Department of Electronics and Communication Engineering ,Anna University, Chennai, Tamilnadu, India-600 025

Transdermal drug delivery is an emerging mechanism for continuous systematic solutions in medical healthcare problem. Transdermal drug delivery has significant advantages when compared to conventional methods such as oral administration or intramuscular injection. Most of the ... 詳細を見る

Non-uniform magnetic field-induced performance alteration of a topology-optimized PBMR new

Debdeep Bhattacharjee1, Arnab Atta1, Suman Chakraborty2
1Department of Chemical Engineering, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, India
2Department of Mechanical Engineering, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal, India

Packed bed microreactors (PBMR) and ferrofluids are independently enormously used in a broad range of applications in the healthcare sector. In a PBMR, one of the primary factors for controlling the reaction rate is the bed porosity which immediately affects the catalyst distribution and ... 詳細を見る

Electromagnetic flowmeter coil design new

Subhashish Dasgupta1, Xiaotang Gu2
1ABB
2ABB

Working on Faraday’s law of electromagnetic induction, electromagnetic flowmeters measure flowrate on the basis of the electric potential induced when a magnetic flux interacts with flowing water. The electromagnetic coils of the flowmeter are crucial to its operation, given that the ... 詳細を見る

Multiphysics Modeling Results for the High Flux Isotope Reactor to Support its LEU Conversion

Prashant K. Jain1, Marta Sitek2
1Oak Ridge National Laboratory
2Argonne National Laboratory

Ongoing engineering design studies at Oak Ridge National Laboratory are exploring the feasibility of converting the High Flux Isotope Reactor (HFIR) from highly enriched uranium (HEU) to low-enriched uranium (LEU) fuel. HFIR is a pressurized light water-cooled and moderated research ... 詳細を見る

Modelling of Custom-Made Photocatalytic Wind Tunnel for Air Purification by Solar Photocatalysis

Benjamin Radetić1, Lucija Radetić1, Ivana Grčić1
1University of Zagreb, Faculty of Geotechnical Engineering, HR-42000 Varaždin, Croatia

Heterogeneous photocatalysis an advanced oxidation process (AOP) which in combination with a catalyst and UV irradiation completely mineralizes organic pollutants from water or gases into harmless compounds such as carbon dioxide (CO2) and water (H2O). Photocatalysis as a process is ... 詳細を見る

Elastohydrodynamics of Roll-to-Plate Nanoimprinting on Non-Flat Substrates

Jelle Snieder1, Ron A.J. van Ostayen1
1Delft University of Technology, Delft, The Netherlands

Roll-to-plate nanoimprinting is a manufacturing method to replicate micro- and nanotextures on large-area substrates with UV-curable resins. Figure 1 shows a schematic of the roll-to-plate imprint process, which is considered in this study [1]. It uses several rollers, for imprinting and ... 詳細を見る

Modeling and Multiphysics Simulation of the Directed Energy Deposition Additive Manufacturing

P. Ansari1, C.S. Tüfekci2, M. U. Salamci3
1Gazi University, Department of Mechanical Engineering, Additive Manufacturing Technologies Application and Research Center (EKTAM), Ankara, Türkiye
2Manufacturing Technologies Center of Excellence-URTEMM A.S., Ankara, Türkiye
3Gazi University, Department of Mechanical Engineering, Additive Manufacturing Technologies Application and Research Center (EKTAM), Manufacturing Technologies Center of Excellence-URTEMM A.S., Ankara, Türkiye

In this paper, we present a study of the simulation of Directed Energy Deposition (DED) Additive Manufacturing (AM) using a multiphysics approach. We use a combination of Heat Transfer in Fluids, Solid Mechanics and Laminar Flow physics to accurately simulate the DED process. The ... 詳細を見る

Modeling of Iron Ore Reduction Above the Cohesive Zone of the Blast Furnace

Yalçın Kaymak1, Hauke Bartusch1, Thorsten Hauck1
1VDEh Betriebsforschungsinstitut GmbH, Düsseldorf, NRW, Germany

The blast furnace shaft is a huge counter flow reactor in which heat and mass exchange play a significant role in its mathematical modelling. The heat exchange model is already available in COMSOL Multiphysics® via the Local Thermal Non-Equilibrium interface. This multiphysics coupling ... 詳細を見る

Electrothermoplasmonic Flow in Gold Nanoparticle Suspensions

Emilio Ruiz-Reina1, Carlos David Gónzalez-Gómez1, Raúl A. Rica2
1University of Málaga, Málaga, Spain
2University of Granada, Granada, Spain

Efficient mixing and pumping of liquids at the microscale is a technology that is still to be optimized. The combination of an AC electric field with a small temperature gradient leads to a strong electrothermal flow that can be used for multiple purposes. Combining simulations and ... 詳細を見る