A3 300V以下の電源電圧を用いた金属細線爆発現象と電気推進機への応用について(宇宙輸送・飛翔体)

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  • A3 Exploding Wire Using Below 300V and Application of the Phenomenon to Electric Thruster

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ExplodingWire-Pulsed Plasma Thruster (EW PPT) is the satellite thruster using a wire explosion. Wire explosion is the phenomenon that wire is exploded by thermal expansion due to low-voltage pulse current from capacitor bank. The produced expansion gasses after exploding a wire contribute as propulsion of thruster. But, it is not clear about wire explosion with low-voltage, low-vacuum state and short Al thin wire. The purpose of this paper is to record the phenomenon by using HPV-1 and measure impulse bit by pendulum. As a result, impulse bit (I_<bit>) is 2900μN・sec with the wire of Al which diameter is 0.2mm.

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