T. Merder , J. Jowsa , A. M. Hutny , J. Pieprzyca , M. Warzecha ,
 Silesian University of Technology, Katowice, Poland
 Czestochowa University of Technology, Czestochowa, Poland
Studies of the liquid metal movement (hydrodynamic) in a real object (tundish) are substantially precluded due to the objective difficulties (high temperature and the size of metallurgical equipment), compared to their execution by the use of physical and numerical modeling. In presented study, two test methods for analyzing the flow and mixing of the liquid steel in the tundish were used. The ...
B. Noailles  , S. Meunier , V. Bruyere 
 RocTool, Savoie Technolac, Module R, France
 SIMTEC, France
In the molding industry, high productivity rate, low energy consumption, large 3D parts, and homogeneous temperature distribution are the main targets. The 3iTech® inductive technology developed by RocTool ensures both good temperature homogeneity and short heating time. Conventionally, to guarantee efficient cooling, a turbulent water flow is directly integrated into the mold. Ideally, to cope ...
F. M. Alrumayan , Q. Akkam , S. Alqaryan ,
 King Faisal Specialist Hospital and Research Centre, Riyadh, Saudi Arabia
Medical Cyclotrons are used in hospitals to manufacture radiopharmaceuticals. The nuclear reaction between the Cyclotron charged particles and a material takes place inside the so-called targets. In particular, gas target is used when a specific gas is bombarded with proton particles to produce radioactive gas . For successful reaction and good production yield, heat generated due to ...
A. G. S. Barreto Neto , A. M. N. Lima , C. S. Moreira ,
 Instituto Federal de Ciência e Tecnologia - IFPB, João Pessoa, PB, Brasil
 Universidade Federal de Campina Grande - UFCG, Campina Grande, PB, Brasil
Este trabalho trata do dimensionamento da estrutura bocal/difusor utilizando a simulação computacional com fronteira móvel. Esse tipo de simulação contempla toda estrutura da bomba, isto é, câmara de bombeamento, difusor e área de dispersão de fluxo, de modo a contabilizar o refluxo em função da estrutura, possibilitando um projeto mais realísticos da estrutura.
S. Kulkarni , V. Juvekar ,
 Indian Institute of Technology Bombay, Mumbai, India
The extensional flow of viscoelastic flow is encountered during fibre spinning processes. A variety of polymers such as polyesters, polyacrylonitrile, rayon, acrylic, spandex etc are manufactured using this process. In the spinning process, polymer melt/ solution is extruded in the form of jet, through a porous plate called spinneret, into a bath having a suitable environment which allows ...
徐佩锋 , 杨宁 ,
在 COMSOL Multiphysics® 中建立了平板膜组件模型，利用自由—多孔介质流和稀物质传递接口，通过对硅颗粒粒径和料液流速等操作参数及相互约束关系的设置，考察对渗透通量、膜表面处浓度等的影响，对硅颗粒悬浮液平板膜过滤中的浓差极化过程和膜组件的工作性能进行全面的仿真分析。并利用 COMSOL 中的函数、参数化扫描等后处理方式，实现了对仿真结果的可视化输出。仿真结果与实验数据较为一致 ...
A. Cammi, V. Di Marcello, C. Fiorina, and L. Luzzi
Nuclear Engineering Division, Department of Energy, Politecnico di Milano, Milano, Italy
The present work is aimed at evaluating the capabilities of COMSOL Multiphysics® to treat heat transfer in Molten Salt Reactors (MSR). The analyzed situation is represented by the molten salt in turbulent regime flowing through a cylindrical channel surrounded by graphite, with both the fluid and the solid generating power. A suitable validation framework has been set up on the basis of an ...
C. Heining and N. Aksel
Applied Mechanics and Fluid Dynamics, University of Bayreuth, Bayreuth, Germany
We study the gravity-driven film flow of a Newtonian liquid down an inclined plane. Many applications such as heat- and mass exchangers and evaporators or film coaters require undulated or rippled bottom topographies. In these cases, the interplay of gravity, surface tension and inertia leads to a response of the interface which furthermore strongly depends on the shape of the bottom topography. ...
Simulations of Scanning Electrochemical Microscopy Experiments in Pure Negative and Positive Feedback Mode with Ring Microelectrodes
J. Mauzeroll, M. Mayoral, and D. Fabre
Department of Chemistry, Université du Québec à Montréal, Montreal, Quebec, Canada
Scanning electrochemical microscopy (SECM) is a powerful tool recently developed for studying structures and processes in micrometer and submicrometer sized systems. It can probe electron, ion, and molecule transfers, and other reactions at solid-liquid, and liquid-liquid, interfaces . This versatility allows for the investigation of a wide variety of processes, from metal corrosion to ...
COMSOL Derived Universal Scaling Model For Low Reynolds Number Viscous Flow Through Microfabricated Pillars – Applications to Heat Pipe Technology
N. Srivastava, and C.D. Meinhart
Department of Mechanical Engineering, University of California Santa Barbara, Santa Barbara California, USA
Cooling of high-power density electronic devices remains a challenge. Microfluidic heat-pipes with the potential of achieving ultra-high thermal conductivities offer a low-cost technology for cooling electronics. To achieve high thermal conductivity, it is critical to maximize the rate of liquid transport inside the heat pipe. We propose a novel array of microfabricated pillars to maximize ...