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Sehen Sie sich die Kollektion für die COMSOL Conference 2023 an
The design and construction of ultra-high vacuum (UHV) systems for the study of surface reactions has lead to high impact innovation in a myriad of industries. A small volume reactor compatible with ultrahigh vacuum (UHV) surface-science instrumentation has been designed, modeled and ... Mehr lesen
Cellular-level oxygen consumption and cell viability models incorporating physiologically realistic assumptions and fully scaled 2D/3D geometries have been implemented in COMSOL Multiphysics for isolated pancreatic islets. Oxygen consumption was assumed to follow Michaelis-Menten–type ... Mehr lesen
In this study, COMSOL Multiphysics is applied in order to simulate reacting flows for duct burner systems arranged in the post-firing section of a Heat Recovery Steam Generator of a combined cycle power plant. Two- and three-dimensional simulations are carried out in order to ... Mehr lesen
Volatile Organic Compounds (VOC) are a wide range of carbon based organic chemical compounds which evaporate easily at room temperature referred as volatile in nature. Human exhaled breathe consists of carbon dioxide (CO2) along with more than 3000 Volatile Organic Compounds exists like ... Mehr lesen
A novel mechanism for the carbothermal reduction of Ilmenite is proposed and validated with the help of a comprehensive mathematical model. A time-dependent isothermal pellet-grain model is used to simulate the kinetic behaviour of a spherical pellet of ilmenite (FeTiO3) in CO/CO2 ... Mehr lesen
The temperature maintenance plays a crucial role in the transportation of heat sensitive materials like fruits, vegetables, food products and blood etc. The refrigeration of these products (during transport) utilizing energy from fossil fuels burning will involve CO2 emission. Thermal ... Mehr lesen
随着人类日常活动对制冷需求的不断增加,传统散热系统不仅消耗大量的能量,而且产生过多的废热和CO2的排放。外太空作为温度只有3K的冷源,热量通过大气透明窗口可以产生显著的辐射散热,特别是在白天仍然可以实现零能耗的降温。白天辐射制冷功率Pcool (Tr )可以写成: Pcool (Tr )=Prad (Tr )-Patm (Tatm )-Psun-Pnonrad Prad (Tr )是材料辐射的能量,Patm (Tatm )是材料吸收大气辐射的能量,Psun是材料吸收太阳光的能量,Pnonrad是材料与环境通过传导对流交换的能量。 为实现高效的制冷功率 ... Mehr lesen
Corrosion is an ongoing issue in metallurgic field. Stainless-steel products are likely to corrode in certain environmental conditions, especially if they are exposed to marine environment where localized corrosion can occur. The aim of this work is to study the behavior of 316L grade ... Mehr lesen
Methanol synthesis is a typical reaction in heterogeneous catalysis. In this work, we have studied a laboratory fixed-bed reactor packed with a Cu/Zn/Al2O3 catalyst in both adiabatic and isothermal tubular operational modes. A methanol synthesis kinetic model was implemented in COMSOL ... Mehr lesen
Printed circuit heat exchanger (PCHE) is a key component in many energy and power systems, such as concentrated solar power plant, nuclear power plant, aircraft, etc. In this paper, the thermal and fluid performance of a lab-scale PCHE is analyzed using COMSOL Multiphysics® simulation ... Mehr lesen