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COMSOL カンファレンス 2024 論文集を見る
精确监测电缆载流量对海南联网系统500 kV海底电缆的规划和运行具有重要意义。目前进行载流量计算的方法主要分为三类:解析法、数值解法和试验测试法。数值解法是进行海底电缆温度场分析时最常用的方法,其中有限元法能很好的模拟各敷设情况下电缆的实际运行情况,省去了实地测试成本,又保证了计算精度。本文利用COMSOL仿真软件研究了一种基于分布式光纤传感技术的海底电缆载流量多物理场仿真方法。 根据海南500kV海底电缆敷设的实际情况，建立四种不同的仿真模型，分别为空气裸露段、登陆段、潮间带和海床。根据不同模型中海底电缆、光缆的物理参数和外部环境物质的材料设置边界条件 ... 詳細を見る
The photoacoustic (PA) effect consisting of the generation of an acoustic signal based on the absorption of light has already demonstrated its potential for various spectroscopic applications for both gaseous and solid samples. The signal produced during photoacoustic spectroscopy (PAS) ... 詳細を見る
Traditionally the design cycle for magnetic fields involves guessing at a reasonable conductor / magnetic material configuration, using FEA software to calculate the resulting field, modifying the configuration, and iterating to produce the desired field. Our method involved solving the ... 詳細を見る
高温超导磁悬浮现象自发现以来,以其独特的无源自稳定优势被广泛应用于超导轴承、飞轮储能和轨道交通等领域。随着高速磁悬浮应用的发展和需求，关于高温超导磁悬浮在动态运行下的悬浮特性研究变得尤为重要。本文借助COMSOL Multiphysics软件，耦合AC/DC模块和传热模块，基于磁场强度H法和非线性幂指数E-J关系，建立了悬浮于环形永磁轨道上方的高温超导块材三维实体模型。通过设置轨道的上下振动来模拟超导块材高速运行下受到的轨道不平顺带来的交变磁场的影响。仿真以高温超导块材磁-热-力耦合特性为切入点，研究了在变化外磁场下超导块材悬浮性能及其内部温度变化情况 ... 詳細を見る
Terahertz (THz) technology has been receiving expanding interest in the recent years due to its rich scientific and potential application. For instance, a variety of semiconductor phonons resonate in the THz range; macro-biomolecules have unique fingerprint lines in the THz range; less ... 詳細を見る
In this work, an analysis is presented for a 3-dimensional RF MEMS coil using the COMSOL AC/DC module in conjunction with the CAD import module. The realization of being able to produce such 3-dimensional RF coils allows for less surface area to be needed for similar inductor performance ... 詳細を見る
A piezoelectric transformer allows purely mechanical transfer and scaling of electrical energy via simultaneous utilization of both the direct and converse piezoelectric effects. This mechanical energy transfer enables a wide range of functional differences from typical magnetic-based ... 詳細を見る
Conventional cardiac electrical signal monitoring and measurement techniques such as Electrocardiograph (ECG) are prone to operator error due to multiple lead attachment requirements. These multiple electrode based systems are also not convenient for continuous cardiac health monitoring, ... 詳細を見る
Dr. Christian Deville-Cavellin is a Research Engineer at Ugitech's Research Center, since 1995. Ugitech, member of the Schmoltz & Bickenbach group, is a stainless steel, long products producer. C. Deville-Cavellin is responsible for all research topics related to liquid metal ... 詳細を見る
Automotive industry needs smart technologies to enhance their torque capacity or clutching actions. MR fluid is one of the material whose properties can solve the issue of improvement in torque capacity of automobiles. In this paper MR clutch is designed and developed. The theoretical ... 詳細を見る