科技论文和演示页面包括了 COMSOL 全球用户年会上所有的用户演示文稿。这些演示文稿介绍了 COMSOL 用户是如何使用 COMSOL Multiphysics 进行创新性研究和产品设计,研究主题涵盖了包括电气、机械、流体和化工等范围广泛的行业和应用领域。您可以使用“快速搜索”来查找与您研究领域相关的演示文稿。
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Pseudo 3-D Simulation of a Falling Film Microreactor

M. Al-Rawashdeh[1,2], V. Hessel[1,2], P. Löb[1], and F. Schönfeld[1]
[1]Institut für Mikrotechnik Mainz GmbH, Mainz, Germany
[2]Department of Chemical Engineering and
Chemistry, Eindhoven University of Technology, Eindhoven, Netherlands

Gas-liquid falling film microreactors carry out fast exothermic and mass transfer limited reactions. Since the major rate limiting steps occur on the ...

Modelling Waste Water Flow in Hollow Fibre Filters

I. Borsi[1] and A. Fasano[1]
[1]Dipartimento di Matematica U. Dini, Università di Firenze, Firenze, Italy

In this paper we present a model to describe the process of waste water filtration based on hollow-fibre membrane filters. In particular, we deal with ...

Electric Field Analysis of a Green Rust Surface Treatment Tank for High/Super Alloys

H.K. Yang[1], S.C. Tseng[1]
[1]Institute of Mechanical Engineering, National Yunlin University of Science Technology, Taiwan

In order to perform rust surface treatment for stainless wires, we proposed an electrolyzing equipment to do so. It has the following advantages: ...

Modeling Fluid-Induced Porous Scaffold Deformation

J. Podichetty Thribhuvan[1], S.V. Madihally[1]
[1]Oklahoma State University, Stillwater, OK, USA

Utilization of bioreactors to regenerate tissues outside the body has been intensely investigated in functional tissue engineering. Various studies ...

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 ...

Diffusion Modeling in TGA in Context of CO2 Gasification of Char

G. Samdani[1], S. Mahajani[1], A. Ganesh[1], P. Aghalayam[2], R. K. Sapru[3], D. K. Mathur[3]
[1]Department of Chemical Engineering, Indian Institute of Technology Bombay, Mumbai, India
[2]Indian Institute of Technology Madras, Chennai, India
[3]UCG Group, IRS, ONGC, Chankheda, Ahmadabad

The Thermo- Gravimetric Apparatus (TGA) is often used for kinetics determination. In TGA setup, gasification reaction may be limited by the reach ...

数值模拟牺牲阳极法阴极保护电位分布

万通 [1], 雍兴跃 [1], 肖宁 [1],
[1] 北京化工大学,北京,中国

研究结果表明,海水中钢结构设备的腐蚀问题触目惊心,通常会造成设备损坏、性能降低。由此可见,控制腐蚀是一项十分重要的任务。 钢结构设备的防腐保护主要采用阴极保护和涂层保护两种方式,然而,由于涂层自身不可避免的缺陷以及施工过程中导致的缺陷,腐蚀仍将在以上造成的缺陷处发生。因此,在接触海水的部位 ...

Modeling Maillard Reaction and Thermal Transformations During Bread Baking

D. Papasidero[1], F. Manenti[1]
[1]Politecnico di Milano, Dipartimento di Chimica, Materiali e Ingegneria Chimica “Giulio Natta”, Milano, Italy

One big challenge for the food industry is to predict and optimize flavors. The Maillard reaction occurs in food matrices containing carbohydrates and ...

基于 COMSOL 的 HVPE 法 GaN 单晶生长过程模拟

兰飞飞 [1],
[1] 中国电子科技集团公司第四十六研究所,天津,中国

利用 COMSOL Multiphysics® 软件中流体传热接口、层流接口、化学反应接口对 HVPE 法单晶生长过程进行模拟。建立了基于 HVPE 生长室内部结构的简单二维模型,并进行了标准的网格剖分,通过物理场耦合,并添加了生长过程中所需的生长气氛,研究了 HVPE 法进行 GaN 单晶生长过程中衬底表面厚度分布的变化规律。通过模拟结果发现,衬底表面存在显著的边缘效应,边缘处厚度显著高于衬底表面其它区域。

Pseudo-3D Multiphysics Simulation of a Hydride Vapor Phase Epitaxy Reactor

M. Hackert-Oschätzchen[1], M. Penzel[1], P. Plänitz[2], A. Schubert[1][3]
[1]Chemnitz University of Technology, Chemnitz, Germany
[2]GWT-TUD, Dresden, Germany
[3]Fraunhofer Institute for Machine Tools and Forming Technology IWU, Chemnitz, Germany

Gallium nitride (GaN) and its related nitride alloys with special physical properties are in technical areas of high interest. The growing of gallium ...