Scopri come la simulazione multifisica viene utilizzata per ricerca e sviluppo
In questa sezione troverete i lavori presentati alle Conferenze mondiali COMSOL. Le presentazioni descrivono ricerche e prodotti innovativi progettati con COMSOL Multiphysics da colleghi di tutto il mondo. I temi delle ricerche presentate abbracciano un'ampia gamma di settori produttivi e aree applicative, in ambito elettrico, meccanico, fluidodinamico e chimico. Lo strumento di Ricerca Rapida vi permetterà di trovare le presentazioni che si riferiscono all'area di vostro interesse.
Visualizza gli articoli presentati alla COMSOL Conference 2020
The contamination of food products with low water contents is a safety issue that cannot be disregarded. Despite their low water activity, they are indeed susceptible to infection by micro-organisms that are highly resistant to heat. In this case, conventional pasteurisation techniques ... Per saperne di più
The goal of this study is to exploit the phase change in vanadium dioxide (VO₂) for optical sensing. Infrared (IR) sensing is of paramount interest for next-generation Internet of Things (IoT) devices. Phase change materials (PCMs) are expected to enable low-energy consumption sensors, ... Per saperne di più
The Z-pinch (or zeta pinch) is a type of plasma confinement system used in fusion power research. It relies on an electric current discharge within the plasma to generate a magnetic field that compresses the plasma, creating conditions conducive to nuclear fusion. The concept of Z-pinch ... Per saperne di più
Solid-state magnetic refrigeration near room temperature, based on the magnetocaloric effect (MCE), is being investigated as an environmentally friendly and sustainable alternative to traditional vapor-compression systems (responsible for the 7.8% of greenhouse gas emissions) [1] [2], ... Per saperne di più
宽波段 X 射线望远镜（Wide band X-ray Polarization and imaging Telescope, WXPT）是新一代空间卫星探测项目，其科学目标是通过宽波段X射线观测，揭示黑洞，中子星等致密天体的高能辐射机制和宇宙中的极端物理过程。其预计装配多种类探测器组合探测至 500keV能段，其科学目标是通过宽波段X射线观测，揭示致密天体的高能辐射机制和宇宙中的极端物理过程。超导边沿转变探测器（Transition edge sensor,TES）因其极为优异的能量分辨性能，成为WXTP项目在3-60keV能段探测的有力竞争者 ... Per saperne di più
SiC逆变模块以其高效能、高开关频率及良好的热稳定性，成为提升电动车辆动力性能和热管理效率的理想选择。如何在加速爬坡、重载运输等极端运行工况下确保功率模块的有效散热，同时严格限制寄生电感的提高，成为当前SiC逆变模块封装设计亟待解决的技术难题。本研究使用COMSOL 6.0构建了车规级半桥模块的多物理场耦合模型，采用了传热模块、AC/DC模块，重点研究了模块端子和芯片布局优化对散热性能的影响以及寄生电感抑制策略。建立三维半桥模型，集成SiC芯片、覆铜陶瓷基板、散热器等主要组件，瞬态分析模块的温度分布和变化规律，并计算功率回路的寄生电感。以热阻最小化为目标 ... Per saperne di più
For many years now, numerical simulations allow to calculate and predict processes in many fields such as natural sciences, engineering, and economics. To do this, models of the system under consideration are created and animated using equations based on first principles of physics, e.g. ... Per saperne di più
Calibration drift of temperature sensors is a well-known problem which adversely affects process control, particularly at high temperatures. Some new approaches are being developed [1,2], but degradation of resistive sensor elements is hard to prevent. To overcome this, graphene, which ... Per saperne di più
The increasing integration of power electronics into airborne systems drives the need for compact, efficient, and thermally robust solutions that comply with the demanding constraints of the aeronautical environment. In this context, planar transformers offer significant advantages, ... Per saperne di più
Arc welding is a widely used process in heavy industry for the assembly of metallic components. To ensure high-quality welds, it is essential to understand both the welding process and the complex interactions within the melt pool. Numerical simulation is employed as a predictive tool to ... Per saperne di più