Nozzle construction for chemical laser

Details Nozzle construction for chemical laser Nozzle construction for chemical laser

1979-11-15

1982-09-07

Sikes, William L.

Coherent light generators

Particular active media

Gas

372 89, H01S 302

Patent

active

043487645

ABSTRACT:
A primary nozzle provides a two-dimensionally expanding source flow of an oxidizer; a line serving as origin; and curved secondary nozzles are positioned in the primary, supersonic flow, for discharging fuel in radial direction, parallel to the oxidizer flow, mixing therewith in the laser cavity. The secondary nozzles have concavely curved, leading edges as well as concavely curved expansion edges downstream from the leading edges, positioned to cancel shockwaves from the leading edges of the respective adjacent secondary nozzles. The secondary nozzle structure provides a radially expanding fuel flow and maintains the radially expanding primary flows shock free. This radially expanding, primary flow accommodates the unused heat of reaction so that pressure is maintained nearly constant in the laser cavity. Supersonic expansion provides a low, initial pressure, and the radially expanding flow thereby maintains this pressure low.

REFERENCES:
patent: 3982208 (1976-09-01), Camac

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