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Progress in Plasma Processing of Materials, 1999

ISBN:
1-56700-126-2 (Imprimir)

FLOW VISUALIZATION WITH A COLD MODEL FOR ICP TORCH DESIGN

O. Chazot
Von Karman Institute for Fluid Dynamics 72 Chaussée de Waterloo 1640 Rhode St Genèse, BELGIUM

V. van der Haegen
Von Karman Institute for Fluid Dynamics 72 Chaussée de Waterloo 1640 Rhode St Genèse, BELGIUM

M. Carbonaro
Von Karman Institute for Fluid Dynamics 72 Chaussée de Waterloo 1640 Rhode St Genèse, BELGIUM

Sinopsis

The design of an ICP torch is studied with a cold model and an original flow visualization technique. This allows to check with accuracy the geometry of the gas injection system, for different combinations of injection modes (simple jet, multi-jet, swirling) in Thermal Plasma Processes. Basic observations are made on the topology and the stability of the flow field in the torch.