Plume enhancement nozzle for achieving flare rotation

Details Plume enhancement nozzle for achieving flare rotation Plume enhancement nozzle for achieving flare rotation

1997-05-27

1999-12-07

Nelson, Peter A.

Ammunition and explosives

Pyrotechnics

Rocket

102358, 102359, 102370, 102336, 244 326, F42B 406

Patent

active

059965029

ABSTRACT:
An aerodynamically stable, kinematic flare having an enhanced plume signature is disclosed. The flare includes a housing with a flare illuminant disposed within the housing. A primary nozzle is configured in the aft wall of the housing. Four secondary nozzles are configured in the aft end of the side wall of the housing and are positioned aft of the center of gravity of the flare. At least two of the secondary nozzles comprise off-center nozzles having a longitudinal axis which does not extend through the longitudinal axis of the flare. A shroud is attached to the housing and deploys to an extended position upon combustion of the illuminant. The shroud is configured with holes which correspond in size and position to each of the secondary nozzles when the shroud is in its extended position. The primary and secondary nozzles are sized and positioned to spin stabilize the flare during combustion of the illuminant.

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