Nozzle for cryogenic particle blast system

Details Nozzle for cryogenic particle blast system Nozzle for cryogenic particle blast system

1995-02-28

1997-08-26

Rose, Robert A.

Abrading

Abrading process

Utilizing fluent abradant

451 39, 451 40, 451102, 239592, B24B 100

Patent

active

056605803

ABSTRACT:
A convergent-divergent Single/Multiple Expansion wave contour wall and wave Reflection solid wall Nozzle (S/MERN) for use with particle blast systems is provided which includes a single contoured converging-diverging wall opposing a generally flat, solid wall disposed generally parallel to the direction of the jet flow. The transition from a circular delivery hose to the rectangular throat of the S/MERN nozzle is preferably in only one dimension, with the distance between the side support walls being substantially the same as the diameter of the delivery hose. The S/MERN nozzle relies on reflection from the flat, solid wall for Mach wave expansions, rather than reflections of opposing expansion waves as in conventional nozzles.

REFERENCES:
patent: 4483482 (1984-11-01), Junger et al.
patent: 4614237 (1986-09-01), Colodner et al.
patent: 5050805 (1991-09-01), Lloyd et al.
patent: 5265383 (1993-11-01), Shank, Jr.
patent: 5390450 (1995-02-01), Goenka
patent: 5456629 (1995-10-01), Bingham

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