Consultez les proceedings de la Conference COMSOL 2020
Argon Plasma Simulations for Educational Purposes at Fontys University of Applied Physics
At the Fontys University of Applied Physics (The Netherlands) a plasma etcher has been acquired for educational purposes. The machine operates at low power up to 30 Watt and is driven with a magnetic coil at 13.56 MHz. The use of COMSOL Multiphysics software will be discussed to simulate ... En savoir plus
Photonic Crystal Fibers for Visible Light Generation
There has been a growing interest in optical parametric amplifiers (OPA) for light generation and amplification in because of the possibility for arbitrary operation wavelength and wideband tenability [1]. PCFs are of particular interest in such nonlinear optics applications because of ... En savoir plus
A COMSOL-based 2D Self-Consistent Microwave Plasma Model
In this paper, we present a 2D axisymmetric self-consistent plasma fluid model for microwave plasmas operating in argon. The model was developed using COMSOL Multiphysics and its Plasma Module. Plasma, flow, heat and electromagnetic equations solved self-consistently. The effect of the ... En savoir plus
Scattering of mm-Waves by Turbulent Structures in Magnetically Confined Fusion Plasmas
In magnetically confined fusion devices, electron cyclotron resonance heating (80-170 GHz) is characterized by a local RF-power deposition at the electron cyclotron resonance [1]. A mm-wave RF Gaussian beam is launched from a dedicated antenna and propagates through the highly turbulent ... En savoir plus
Design of ESS-Bilbao RFQ Linear Accelerator
The design of ESS-Bilbao RFQ (RadioFrequency Quadrupole) linear accelerator cavity using COMSOL Multiphysics is presented. The work includes geometry definition, electrostatics, electromagnetic and thermomechanical coupled simulations. The main part of the work corresponds to the ... En savoir plus
Multiphysics Design of a Klystron Buncher
The Multiphysics design of a 130 GHz klystron Buncher cavity is described in this paper. In this high frequency range, dimensions are critical and expose the device to multiple physics effects, due to the power dissipations, affecting the electromagnetic performances. The proposed device ... En savoir plus
Radio Frequency Resonator for Continuous Monitoring of Microfluidic Droplet Size Dispersity
Parallelization of droplet microfluidics is a challenging task because of the complex fluid mechanics coupling between parallel devices. Failure of few droplet generators can influence the size distribution of the final product and the correct operation of the neighbor devices. One of ... En savoir plus
Multiphysics Applications for Sustainable Engineering and Industrial Processes
While addressing the pressing need for better, more sustainable engineering and production improvements, Armélio has identified that easy-to-use, customized, multiphysics applications would fulfill customer requirements. Hence, we now design and deliver COMSOL Multiphysics® apps bringing ... En savoir plus
Modeling Dielectric Heating: A First Principles Approach
Dielectric heating is an important, widely employed electromagnetic heating technology utilized by consumers, small businesses and industry. This model is used to explore the physical differences manifested when different frequencies are utilized to execute the heat generation process on ... En savoir plus
Analysis of Magnetically-coupled Human Body Communications
Human body communications (HBC) uses the human body as a transmission medium to connect sensors and actuators in, on or in close proximity to the human body. The HBC approach offers tremendous potential for the design and implementation of emerging personalized healthcare systems, as ... En savoir plus