2. Computational Parameters
• CFD Software: Ansys-Fluent
• Inspiratory flow rate : 60 L/min
• Reynolds No. Re = 4000
• Boundary Conditions
– Outlet: Pressure outlet
– Inlet: Pressure inlet
– Wall: No-slip.
– Temperature: constant, normal.
• Turbulence Model: SST k-w model
• Discretization: Second order upwind scheme
• Pressure-velocity coupling: PISO
• Convergence Criteria: Residual = 104