3D Supersonic Flow in a Convergent Duct [AE00b, AE00c, AE01a, AE02a, AE03b]
Code Validation of DRAGON Grid Technique
(Pictures created in 2000)

Sketch of a converging duct where the unstructured grid is in the shaded region for the DRAGON grid

Flow structure in Section IJKL of the supersonic flow passing a converging duct

Movie File (MPEG)

Mach number distributions of the flow

(a) (b)

Density distributions of the flow on the surface of the converging duct: (a) Single grid; (b) DRAGON grid

(a)

(b)

Density distributions of the flow at the symmetric plane ABCD: (a) Single grid; (b) DRAGON grid

(a)

(b)

Mach number distributions of the flow at various stations: (a) Single grid; (b) DRAGON grid

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(b)

Mach number distributions of the flow at a typical cutting plane EFGH: (a) Single grid; (b) DRAGON grid

(a)

(b)

Pressure distributions of the flow at a typical cutting plane EFGH: (a) Single grid; (b) DRAGON grid

(a) (b) (c)

(a) Density, (b) Mach number and (c) pressure distributions of the flow on line HG. Boxes and circles denote results based on the single grid and the DRAGON grid, respectively