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Engineers, researchers, and scientists across industries use multiphysics simulation to research and develop innovative product designs and processes. Find inspiration in technical papers and presentations they have presented at the COMSOL Conference. Browse the selection below or use the Quick Search tool to find a specific presentation or filter by application area.
View the COMSOL Conference 2018 Collection

The Simulation of Flow and Reduction of NO in a Heterogeneous Reactor.

O. Śliczniuk [1], B. Olejnik [1],
[1] Wrocław University of Technology, Faculty of Chemistry, Department of Chemical Engineering, Wrocław, Poland

Nitrogen oxides are one of the more dangerous ingredients contaminating the atmosphere. They are considered to be almost ten times more harmful than carbon monoxide, and sulfur dioxide several times. A whole range of photochemical reactions involving nitrogen oxides are responsible for ... Read More

Beam Structure As an Acoustic Wave Sensor: A Study of the Effect of Sensor Design on Its Sensitivity to Noise

F. Akasheh[1], A. Biddle[1], W.S. Shepard Jr.[2], and B.B.B. Zhang[2]
[1]Tuskegee University, Tuskegee, AL, USA
[2]University of Alabama, Tuscaloosa, AL, USA

The detection and identification of the location of a sound source is commonly done using arrays of microphones. A recent new alternative approach has been proposed which involves the use of continuous structures, such as beams or plates, as acoustic wave sensors. The sound wave ... Read More

Study of Particle Collection Using Magnets

M. D. Cheng [1],
[1] Oak Ridge National Laboratory, Oak Ridge, TN, USA

Airborne particles or aerosols are an unstable system with distributed properties among its individual particulate members. Its fundamental property such as particle size, composition, electrical conductivity, magnetic susceptibility, and morphology could change in response to ... Read More

随钻伽马对方位测量的影响及校正方法研究 new

蒋必辞 [1], 蒋必辞田小超汲方林张鹏丛琳王盼 [2],
[1] 中煤科工集团西安研究院有限公司
[2]

地质导向对煤矿井下定向钻进意义重大，而随钻伽马测井是地质导向的重要参数。随钻伽马测井仪既能测量钻孔轨迹，又能测量地层放射性以判断地层的岩性。由于轨迹测量的测斜仪采用磁感式传感器，而伽马探测器为软磁性材质，因此伽马探测器影响测斜仪的方位测量精度。本文从轨迹测量的基本原理出发，利用COMSOL有限元分析伽马探测器对测斜仪周围磁场的影响，并在实验室进行实际测量验证，提出利用GRNN神经网络建立影响校正模型，对其影响进行校正，取得较好应用效果。 Read More

Novel Sensor Technology for Point of Care Diagnostics

V. Djakov
Sensor Development Director
Microvisk Technologies Ltd
UK

Dr Vladislav Djakov is the co-founder of Microvisk Technologies Ltd and the inventor of its MEMS-based Technology. Born in Belgrade, Serbia he came to UK in 1995 to pursue M.Sc. in Artificial Intelligence followed by Ph.D. in Micro-robotics. With over 14 years of extensive ‘hands-on’ ... Read More

Analysis Of The Design Criteria For Ancient Greek And Roman Catapults

K.M. Paasch
Center for Product Development, Mads Clausen Institute, South Danish University, Denmark

This paper will give a short overview of use of COMSOL Multiphysics for analyzing ancient Greek and Roman catapults with the main focus on the energy storing torsion springs. Catapults have been known and used in the Greek and Roman world from around 399 BC and a fully standardized ... Read More

Demonstration of Polymer Microring Resonator for Optical Biosensor using COMSOL

Mohd Haziq M.S.[1]
Mohd Hazimimin Mohd Salleh[2]

[1]Department of Information Systems, Kulliyyah of Information and Communication Technology, International Islamic University Malaysia, Kuala Lumpur, Malaysia

[2]Department of Physics, Kulliyyah of Science, International Islamic University Malaysia, Pahang, Malaysia

In this paper, we use a COMSOL Multiphysics® model to demonstrate the potential use of polymer microring resonator structures for optical biosensing applications. When the refractive index of the area surrounding the microring resonator changes, there is a shift in the resonance ... Read More

Numerical Investigation of Power Deposition and Transport Phenomena in Helicon Plasma Sources

M. Magarotto [1], F. J. Bosi [1], P. de Carlo [1], M. Manente [1], F. Trezzolani [1], D. Pavarin [1], P. Alotto [2], D. Melazzi [1],
[1] CISAS "G.Colombo", University of Padova, Padova, Italy
[2] Department of Industrial Engineering, University of Padova, Padova, Italy

Standard approaches to reproduce the coupling of wave propagation and plasma transport inside a helicon plasma source rely on electromagnetic simulations coupled to either kinetic or particle-in-cell strategies to reproduce the plasma response. If the plasma density reach values higher ... Read More

激光闪射法测量碳化硅复合包壳的数值模拟 new

Wenjie Li [1], L. Vladhovic [2], Tsvetoslav Pavlov [2],
[1] Science and Technology on Reactor System Design Technology Laboratory, P.O. Box 502, 610213 Chengdu, China
[2] European Commission, Joint Research Centre Karlsruhe, P.O. Box 2340, 76125 Karlsruhe, Germany

本文介绍利用COMSOL传热模块对激光闪射法（Laser Flash Method）测量具有环形结构的碳化硅复合包壳的瞬态传热过程，进而获得对标准激光闪射法估算热扩散率/热导率的几何修正系数和温度修正系数。碳化硅复合包壳由多层的单质SiC陶瓷基体、SiC纤维编织层组成。碳化硅复合包壳在高温蒸汽中抗氧化性远远优于锆合金，因此被视为未来核电站燃料棒包壳的理想解决方案。为了开展碳化硅复合包壳的性能分析，需要使用激光闪射法获得其在500K~1800K温度范围的热扩散率。问题在于，激光闪射法标准(ASTM E1461-13)规定的样品形状为薄圆片 ... Read More

Re-design impressed current cathodic protection for an offshore platform with biofouling in seawater new

王巍 [1],
[1] 中国海洋大学

The re-design of the offshore platform in service for impressed current cathodic protection (ICCP) could remarkably solve the corrosion problems of potentially catastrophic environmental and financial consequences. A finite element model (FEM) of the offshore platform with biofouling is ... Read More

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