Meaning
Supersonic flow configurations define the spatial organization of expansion and compression waves within a high velocity gas jet. Proper shock cell alignment ensures that the peak kinetic energy of the gas matches the physical position of the molten metal stream. This synchronization maximizes the shear forces applied to the liquid metal, which improves atomization efficiency.
Equipment builders optimize this alignment to reduce gas consumption and narrow the powder size distribution.
Flow Balance
Misalignment occurs when the nozzle exit pressure does not match the ambient pressure of the chamber. This mismatch generates oblique shock waves that deflect the gas stream.
Atomization Efficiency
Correct alignment directs the high velocity gas to the center of the liquid stream, which ensures rapid breakup. This action prevents the formation of coarse ligaments.
Performance Outcome
Maintaining this flow balance reduces the generation of oversized powder, which decreases recycling costs. This reduction improves the overall throughput of the production line.
