From: Three-Dimensional Numerical Study on the Metal Rotating Spray Transfer Process of High-Current GMAW
Boundary | \(\overrightarrow {{{v}}}\) (m·s−1) | P (Pa) | V (V) | \(\overrightarrow {{{A}}}\)(Wb/m) |
---|---|---|---|---|
Gas inlet | vg | PATM | \(\frac{{\partial {{V}}}}{\partial n} = {0}\) | \(\frac{{\partial A_\text{i} }}{\partial n} = {0}\) |
Metal inlet | vm | PATM | \(- \sigma \frac{{\partial {{V}}}}{\partial n} = j\) | \(\frac{{\partial A_\text{i} }}{\partial n} = {0}\) |
Gas outlet | \(\frac{{\partial (\rho v_{\text{i}} )}}{\partial n} = {0}\) | – | \(\frac{{\partial {{V}}}}{\partial n} = {0}\) | \(A = {0}\) |
Ground wall | No-slip | – | 0 | \(\frac{{\partial A_\text{i} }}{\partial n} = {0}\) |