Importance

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Abstract

An actuator produces a displacement that maintains positive contact between an electrically operated propellant and a pair of electrodes to ignite and sustain combustion of an ignition surface. The electrodes are suitably configured such that current lines between the electrodes follow equipotential surfaces through the propellant. The displacement drives a contour of the ignition surface to substantially match an equipotential surface corresponding to a maximum and uniform current density J at a minimum gap between the electrodes to ignite and combust the entire ignition surface. The flat, angled or curved contact areas of the electrodes are suitably symmetric about a plane.

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First Claim