Prandtl-Meyer Expansion
Compute centered expansion-fan turning for inviscid supersonic flow using the Prandtl-Meyer function.
Expansion fan geometry
Turning through the fan increases ν(M), accelerates the flow, and narrows the Mach angle.
M₂ 2.385
Expansion turn θ
10.00°
flow turn at the convex corner
ν₁
26.38°
upstream Prandtl-Meyer angle
ν₂
36.38°
downstream Prandtl-Meyer angle
μ₁
30.00°
upstream Mach angle
μ₂
24.79°
downstream Mach angle
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