Articles techniques et présentations

Radiofrequency discharges in Hydrogen have a range of applications. In particular, they are used as high-intensity sources of atoms for fundamental and material processing applications. In this study, we investigate a small volume, low pressure RF discharge used to produce Hydrogen ... En savoir plus

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 ... En savoir plus

Plasma electrolytic polishing (PeP) is an electrochemical method for surface treatment. In detail PeP is a special case of anodic dissolution [1] that unlike electrochemical polishing requires higher voltage and uses environment friendly aqueous solutions of salts. When the process ... En savoir plus

Plasma torches are used in processing of materials as well as in the energy industry for producing plasma. In a non-transferred arc plasma torch, an electric arc can be initiated by applying a direct current (DC) between the cathode and anode, both placed inside the torch. Then, the ... En savoir plus

The stellarator concept developed by Renaissance Fusion makes use of a lithium free surface flow surrounding the plasma fusion core. Understanding the instability mechanism of this flow is of primary importance for controlling it. We use COMSOL Multiphysics® to solve the 1D linear ... En savoir plus

It has already been demonstrated that fluid models can be used to simulate two-dimensional axisymmetric inductively coupled plasma via implementation in the COMSOL (multi-physics simulation software) platform. In this study, we improved the model and simulated a large scale magnetized ... En savoir plus

Arc plasma can heat and melt the metal material and flows of molten metal can be affected by several forces such as Lorentz force which is ruled by current, Marangoni force controlled by surface tension, buoyancy force, and arc drag force. Usually, surface tension variation is determined ... En savoir plus

In this paper, we examine changes of the electric field distributions in waveguide-based axial-type microwave plasma source (MPS) during tuning procedure. The distributions strongly depend on position of the movable short, so does the wave reflection coefficient of the incident wave. A ... En savoir plus

Inductively Coupled Plasma Chemical Vapor Deposition (ICPCVD) has been widely used for carbon-based nanomaterial synthesis because it provides high plasma densities and uniform plasma distribution and allows plasma to be generated in room temperature.[1] During the ICPCVD process, the ... En savoir plus

Small-scale plasma jets in atmospheric air can produce regions of highly reactive chemistry coincident with temperatures approaching room temperature allowing his type of cold plasma jet to be used for decontamination of surfaces and sterilization of living tissue. In the device under ... En savoir plus