2D Jet Simulation Testing

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Presentation transcript:

2D Jet Simulation Testing Yan Zhan SUNY Stony Brook Feb 3rd 2014

Mesh & Boundary Conditions W L axis Velocity inlet wall (1) Outflow (2) Pressure Inlet Width (W) Length (L) Grid # in x (Nx) Grid # in y ( Ny) Total Grid # (Nt) 5D 50D 212 2120 449,440 4D 170 360,400 3D 127 269,240 2D 85 180,200 1D 42 89,040

Results---Outflow Boundary Condition 1D*50D (t = 50 μm)

Results---Outflow Boundary Condition 2D*50D (t = 150 μm)

Results---Outflow Boundary Condition 3D*50D (t = 150 μm)

Results---Outflow Boundary Condition 4D*50D (t = 150 μm)

Results---Outflow Boundary Condition 5D*50D (t = 150 μm)

Results---Pressure Boundary Condition 1D*50D (t = 0.95 ms)

Results---Pressure Boundary Condition 2D*50D (t = 1 ms)

Results---Pressure Boundary Condition 3D*50D (t = 95 ms)

Results---Pressure Boundary Condition 4D*50D (t = 1.1 ms)

Results---Pressure Boundary Condition 5D*50D (t = 0.8 ms)

Reference Of The Pressure Inlet Boundary Condition H. Liu, J. Wang, R.J. Brown and N. Kelson, Computational Fluid Dynamic (CFD) Simulation of Ultrahigh Velocity Abrasive Water jet, Key Engineering Materials, Vols. 233-236 (2003), 477-482.