Optical control method for solid fuel rocket burn rate

Details Optical control method for solid fuel rocket burn rate Optical control method for solid fuel rocket burn rate

1985-11-25

1986-12-23

Casaregola, Louis J.

Power plants

Reaction motor

Method of operation

60234, F02K 926

Patent

active

046304371

ABSTRACT:
A solid fuel rocket burn rate control method wherein grain preheating energy is supplied to the grain region just ahead of the regressing burn face by optical conductors such as fiber optic filaments that are buried in the grain and dispersed across the grain cross section. The optical conductors receive optical energy from one of several types of electrical-to-optical energy transducers such as a semiconductor laser or an incandescent source; the optical conductors promote coning burn action at the burn face of the rocket and allow control of the burn rate by electrically modified optical signals.

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