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
If not taking anticorrosion measures properly, or coating failure, serious corrosion problems would occur because of wind and rain erosion, which lead the risk of falling and cause incalculable consequences. The research investigates the stress distribution of different parts on the ... Per saperne di più
锂离子电池的安全长寿命运行离不开高效的热管理系统，其中浸没式液冷热管理系统的散热功率较大同时能实现电池组较高的温度一致性，是目前极具发展潜力的热管理方式。本研究利用COMSOL Multiphysics软件中的固体与流体传热模块和电池中的集总电池模块，并结合非等温流动和电化学热两个热多物理场，建立了浸没式液冷热管理系统的仿真模型，综合比较了三种浸没式液冷方式的散热能力，进一步通过COMSOL中的参数化扫描等功能研究探究了出入口位置、电池间距、冷却液热特性对浸没式液冷散热特性的影响。结果分析中采用了COMSOL丰富的后处理功能 ... Per saperne di più
This study presents a novel microfluidic chip integrated with biosensors and capillary microfluidics, specifically designed for target screening and precise fluid control. The capillary pumps facilitate spontaneous fluid delivery to the sensors, eliminating the necessity for external ... Per saperne di più
本工作的主要内容是探究软包电池在充放电循环中由电池自身产热导致的温度分布以及温度对电化学反应速率的影响。模型中的电池传热模型由八个尺寸为1cm×1cm×180μm的电池微元组成，每个电池微元被视为一个均匀热源，使用COMSOL Multiphysics中的固体传热模块。电化学模型使用COMSOL Multiphysics中的电池模块，通过P2D模型计算电池的充放电过程以及反应热。每一个P2D模型对应传热模型中的一个电池微元，将电池的反应热视为电池微元的单位体积产热量。在三维传热模型的每一个电池微元中植入一个域探针，用来测量每个电池元在充放电过程中每一个时刻的平均温度 ... Per saperne di più
本研究对PVT法生长碳化硅晶体的气相输运过程进行了模拟，该模型包含了坩埚的内部和外部，而坩埚的接缝连接处被模拟为多孔石墨，可以允许内外气体进行交换。坩埚外部的流场情况为，氮气和氩气从PVT炉的底部通道流入，混合气体从PVT炉顶部流出。坩埚内部的流场情况为，碳化硅粉末升华产生SiC2，Si2C和Si蒸气并向上升华，在籽晶处沉积。同时，坩埚内部和外部的气体物质通过多孔接缝发生交换，氮气和氩气可通过多孔接缝扩散至内部，SiC2，Si2C和Si蒸气也可通过多孔接缝到达坩埚外部。碳化硅反应气体物质的升华和沉积用 Hertz-Knudsen来描述，对流和扩散由Navier ... Per saperne di più
Liquid cooling is the most popular battery thermal management system (BTMS) at present, while suffers from high energy consumption and high temperature difference between upstream and downstream. Herein, we first use a reciprocating liquid flow-based BTMS (RLF-BTMS) for cylindrical ... Per saperne di più
As the demand for lightweight fibrous insulation materials in aerospace [1] and automotive [2] applications increases due to their benefits in reducing carbon footprints and costs [3], accurate prediction of thermal properties becomes crucial, particularly before production. The thermal ... Per saperne di più
Photonic integrated circuits (PIC) play important roles in contemporary optical communication systems. Incorporating functional materials into PICs equips passive photonic devices with active modulation capabilities, unleashing great potentials in optical signal processing, quantum ... Per saperne di più
Wafer bonding technology has become a crucial process in 3D IC integration, particularly as a key method for monolithic integration where Through-Silicon Via (TSV) technology is not used [1]. However, due to the intricate mechanical stress and interconnect reliability issues associated ... Per saperne di più
超导转变边沿探测器（Transition edge sensor，TES）利用超导薄膜电阻对温度的高灵敏响应关系来精确测量光子能量。在TES探测器设计开发中，当前主要采用小信号原理，通过线性近似方式来建立探测器输出脉冲与各参数之间的关系，该方法无法分析探测器尺寸效应、信号饱和等情况，且无法处理更加复杂的结构，这限制了TES探测器技术的发展。 在本研究中利用COMSOL Mutiphysics®软件进行TES吸收体与超导薄膜传热分布，与电信号反馈的仿真。首先，利用COMSOL固体传热模块进行对TES器件进行传热物理场的建模。然后利用AC ... Per saperne di più