Heating of powders in an r.f. inductively coupled plasma under dense loading conditions
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A study was carried out of the heating of powders in an r.f. inductively coupled plasma under dense loading conditions. The results obtained using a mathematical model taking into account plasma-particle interaction effects reveal an important cooling of the plasma caused by the presence of the particles. This, in turn, gave rise to a corresponding drop of the efficiency of the melting of the particles in the plasma. The effect is shown to depend strongly on the thermodynamic properties of the material of the powder.
Key Wordsr.f. plasma mathematical modelling temperature and flow fields plasma-particle interaction
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