Articles techniques et présentations

The present work deals with dynamic simulation of magnetic particles present in the carrier fluid when subjected to external magnetic field. Magneto rheological fluid comes under classification of smart materials, which contain pure CI iron particles, silicon oil as carrier fluid and ... En savoir plus

Enhanced operational flexibility and low levels of pollutant emissions are achieved with a sequential arrangement of premixed combustion stages in gas turbines for power generation. In the second – reheat – combustion stage, hot flue gases of approximately 1500K are enriched with fuel ... En savoir plus

COMSOL Multiphysics® was used to evaluate the performance of a woofer coupled to an automotive door. Two uses cases were considered: rigid and non-rigid door structures. Using the Structural Mechanics Module, the speaker membrane displacement was computed for both cases from 20Hz to 500 ... En savoir plus

Hunting Lodge St. Hubertus is one of the most prominent Dutch buildings from the early twentieth century. An extensive study of wind and wind-driven rain (WDR) was conducted to provide insight into the moisture load of the building facade, using measurements and CFD simulations. COMSOL ... En savoir plus

Deformation prediction is an important part of the structure stability analysis. However, the deformation of bank protection structure which is affected by many factors, such as structural stiffness, earth pressure and hydrostatic pressure. It contains a complex mechanical process, which ... En savoir plus

An Enzymatic Biofuel Cell (EBFC) converts the chemical energy in biological fuels into electricity. In this work, we optimize the performance of the Carbon-Micro Electro Mechanical system in an EBFC by using COMSOL Multiphysics. With a simple model, we realized that most of the glucose ... En savoir plus

The nanofluid is a class of fluids with high thermal conductivity and non-Newtonian flow behaviors. In this work, we present numerical simulations of spreading characteristics for nanofluids droplet impinging on the solid surface which is of great importance in a number of applications ... En savoir plus

The good electrical, thermal, mechanical and chemical properties of solid organic dielectrics, such as PTFE, predestine them as good candidates for the electrical insulation of transport devices and systems. In the particular case of power converters involved in the future hybrid and ... En savoir plus

This paper is an investigation into the effect of blood vessel movement on measurement accuracy of blood flow rate using magnetic flow meters. The investigation used a Finite Element model of the magnetic flowmeter built using COMSOL Multiphysics® software by integrating the modules of ... En savoir plus

摘要：机械搅拌作为一种重要的混合技术在化工生产、环保安全、生物制药等领域有着广泛的应用。搅拌效率和流场的分布是衡量搅拌质量的重要指标。然而，在层流搅拌流场中，搅拌桨周期性的扰动产生环形动力流场，搅拌槽内普遍存在混合隔离区，成为实现高效混合的主要障碍。合理的设计搅拌反应器强化流体流动与混合行为，是实现流体高效节能的重要手段。本研究基于有限元方法采用COMSOL-Multiphysics®分析平台的搅拌器模块中的层流接口进行模拟计算，参照搅拌器模块“案列库”中的“模块化搅拌器”边界条件，采用滑动网格技术求解 Navier-Stokes 方程模拟中低雷诺数的瞬态搅拌流动 ... En savoir plus