Contoured supersonic nozzle

Fluid sprinkling – spraying – and diffusing – Rigid fluid confining distributor – Fluidic oscillator

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239601, 239532, B05B 100

Patent

active

057824142

ABSTRACT:
A nozzle for accelerating compressed gas, preferably air, to supersonic speeds comprising converging, expansion, and straightening portions defined by a simple combination of arcs and a line segment for the general purpose of producing a supersonic jet to excavate or dislodge soil or other like material.

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G.V.R. Rao, "Approximation of Optimum Thrust Nozzle Contour", ARS Journal, vol. 30, No. 6, Jun. 1960, p. 561.
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