Fluid flow modelling

A three-dimensional transient multiphase model has been developed to study the coupling behaviours of the heat transfer, wire feeding and melting, metal transfer, fluid flow and solidified deposition in the WPAAM process. The complex fluid flow behaviours and flow patterns in the melt pool considering the metal transfer effect as well as the surface tension, Marangoni shear stress, arc pressure and arc shear stress have been investigated.


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