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The study of micellar systems water + CTAB + phenol, as function of the concentration of the solutes and of the temperature, was realised by calorimetry, conductometry and rheology. These different techniques have allowed to characterise the formation of complexes. The presence of phenol located between head groups of the surfactant diminishes the repulsive forces existing between the cationic groups,...
Plasma science is a field in which modeling is used to play an important role for understanding and predicting the physical behavior of a plasma discharge. An application of plasma modeling is on plasma arc cutting devices which are characterized by a partially ionized plasma and by the use a of wide variety of gas mixtures, depending on the application. Knowledge of the thermodynamic and transport...
The arc is one kind of mixture plasma containing air and metallic vapour (Cu, Ag, Fe, etc.) in low voltage circuit breaker. The metallic vapour has important influence on arc characteristics because the properties of the mixture plasma are different with the ones of the pure air. The influence of Cu vapour on air arc characteristics is investigated in the paper. Firstly, commercial computational fluid...
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