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Article Dans Une Revue Plasma Chemistry and Plasma Processing Année : 2007

Transport Coefficients of Ag–SiO2 Plasmas

Résumé

Calculated values of viscosity, thermal and electrical conductivities of plasma formed in mixtures of silver (Ag) and silica (SiO2) are presented. The calculations, which assume local thermodynamic equilibrium, are performed for three pressures (1, 10 and 30 atm) in the temperature range from 4,000 to 30,000 K. All the data for the potential interactions and the necessary formulations to obtain values of transport coefficients are given in details. For atmospheric pressure, five mixtures (100% Ag, 75% Ag and 25% SiO2, 50% Ag and 50% SiO2, 25% Ag and 75% SiO2, 100% SiO2) in weight percentage are studied. In order to analyse the pressure influence on the transport coefficients, three samples of Ag–SiO2 mixtures (100% Ag, 50% Ag and 50% SiO2, 100% SiO2) in weight percentage are discussed for pressures of 1, 10 and 30 atm. In addition for the test case of oxygen plasma, we compare the computation code results with values obtained by other authors: discrepancies are found and explained.

Dates et versions

hal-00167734 , version 1 (22-08-2007)

Identifiants

Citer

Pascal André, William Bussiere, David Rochette. Transport Coefficients of Ag–SiO2 Plasmas. Plasma Chemistry and Plasma Processing, 2007, 27 (4), pp.381-403. ⟨10.1007/s11090-007-9086-y⟩. ⟨hal-00167734⟩
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