Sehen Sie, wie die Multiphysik-Simulation in Forschung und Entwicklung eingesetzt wird
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Sehen Sie sich die Kollektion für die COMSOL Conference 2023 an
Numerical Computation of Two-Phase Flow in Porous Media
In this study we investigate the heat and mass transfer in a porous media with phase change. The liquid fluid is injected from one side and heated from the other side, where it leaves the porous material in a gaseous state. Dominant forces are capillary interactions and two-phase heat ... Mehr lesen
Air Damping of Oscillating MEMS Structures: Modeling and Comparison with Experiment
Excessive air damping can be detrimental to the performance of oscillating MEMS components. Complex systems, such as structures in pre-etched cavities or angular comb-drive scanning mirrors, typically require simulations to reliably evaluate the air damping. The simulated and ... Mehr lesen
Air Flow Effect on the Temperature of a Building Integrated PV-Panel
This study examines the effect of air flow between the building integrated PV-panel and the wall. To formulate the heat exchange process for the air flowing between the PV panel and the wall, time-dependent, heat transfer partial differential equations (PDEs) are solved with COMSOL ... Mehr lesen
An Innovative Reactive Transport Modeling Approach for the Chemical Evolution of a HLW Cell in the Callovo-Oxfordian Formation
Andra (The French National Radioactive Waste Management Agency) envisages the safe disposal of High-Level Waste (HLW) and Intermediate-Level Long-Lived Waste (IL-LLW) in deep geological storage using a multi-barrier system. To ensure the containment of radioactivity, the principle of ... Mehr lesen
Change in the Flow Rate Through a Deformed Valve
In this work, a new design is suggested which functions both as a pipe for fluid transfer and as a valve which decreases the flow of the fluid in the opposite direction in case there are pressure fluctuations in the pipe. Therefore, we call it a "Deformed Valve". To design the structure, ... Mehr lesen
Coupled Palaehydrogeological Microbial and Geochemical Reactive Transport Model of the Olkiluoto Site (Finland)
Olkiluoto at Eurajoki has been selected as the final repository site for spent nuclear waste in Finland. This area has been affected, at regional scale, by land-uplift processes related to the ice withdrawal. These events have resulted in a complex and stratified heterogeneous ... Mehr lesen
Behavior Models of Virtual Impactors
A pocket-size portable particle size detector for diesel and cigarette smoke aerosols is being designed using particle size and composition methods. Aerodynamics, fluid properties, material composition and aerosol composition are taken into account. Testing methods for the design include ... Mehr lesen
Vortical Structures of an Impinging Jet in Cross-flow
The analysis of an impinging jet in a cross-flow and the resulting vortical structures are presented. A computational fluid dynamics simulation utilizing the k-ε model for turbulence is validated in COMSOL Multiphysics® by comparing the results to previous experimental and theoretical ... Mehr lesen
Theoretical and Practical Approach for Transdermal Drug Delivery using Microneedle for Successful Skin Penetration
With the advent of MEMS, transdermal drug delivery has been developed to increase skin permeability for drug transport. Various microneedle structures have been analyzed theoretically as well as through simulation using COMSOL Multiphysics®. Then computational fluid dynamics has been ... Mehr lesen
Analysis of Hydrodynamic Plain Journal Bearing
This paper presents the 3D model of hydrodynamic plain journal bearing using COMSOL Multiphysics®. Using 3D Model, pressure distribution in plain journal bearing is obtained by steady state analysis of plain journal bearing. Generalized Reynolds equation is used for analyzing ... Mehr lesen