ANNULAR NOZZLE OF SOLID-PROPELLANT ROCKET ENGINE Russian patent published in 1994 - IPC

Abstract RU 2007607 C1

FIELD: power plants. SUBSTANCE: annular nozzle consists of bell mouth 1 and center body 2 with inserts 4 and 5 whose surfaces facing the bore cylindrical in shape and their width is equal to 1 to 3 of the bore. During operation of nozzle, material ablation process is started at entry of flow to critical area and moves forward in direction of motion of flow; ablation process moves forward over cylindrical surfaces of inserts with time and minimum bore remains constant until entire cylindrical surface has been ablated. EFFECT: enhanced power characteristics of engine due to reduced losses caused by nozzle material ablation in throat section. 2 cl, 1 dwg

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RU 2 007 607 C1

Authors

Aleksander T.G.

Kljuchnikov A.N.

Ul'Janov Ju.P.

Palamarchuk V.P.

Dates

1994-02-15—Published

1991-06-28—Filed