french version
Study of High Breaking Capacity fuses working. Measurement and experimental assessment of electrical parameters and physical parameters of the Ag_SiO2 plasma and of their influence on the fuse working. Modeling of the dissipation of the energy carried by the fault current in the High Breaking Capacity fuse. Calculation of the pressure, temperature, density for a Ag_SiO2 plasma used to evaluate the dissipation of the energy carried by the dissipated fluid material. Calculation of the chemical species concentration in plasmas (Ag, Al, Ar, C, Cl, Cu, F, H, Mg, N, Ni, O, S, Si, Ag_SiO2, polymer). Evaluation of the thermodynamic properties (pressure, density, specific heat capacity at constant volume or at constant pressure, internal energy, enthalpy). Evaluation of the transport coefficients (viscosity, thermal conductivity, electrical conductivity, diffusion). Theoretical study of arc roots (cathodic and anodic arc roots). Resolution of the Stefan problem with ablation in the case of 1D and 3D modeling). Application to : Ag, Cu, Al, W, Ni, Fe, C. Experimental and theoretical study of the interaction between a plasma and an insulating wall in the case of the ETC guns. Evaluation of the temperature, energy, composition, pressure ... depending on the type of the plastic material and the geometry of the interaction volume. Real time observation of the pollutants by means of the plasma emitted radiation in the case of a plasma produced by ICP torch. Application to the detection of the metallic pollutants in the case of the industrial stack gas. Calculation of the molecular spectral emissions in the case of : CN, N2, N2+,C2 ,NO, OH, and CO. Application to the study of : the plasmas created by means of the ICP torch, and the discharge with liquid electrodes in air at atmospheric pressure.

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