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Converging constrictor for an electrothermal arcjet thruster
Converging constrictor for an electrothermal arcjet thruster
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机译:用于电热电弧喷射推进器的收缩缩管
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摘要
There is provided an anode for an electrothermal arcjet thruster. A conduit running through the anode body has a converging upstream portion and a diverging downstream portion connected by a constrictor portion having a greater diameter at the interface with the upstream portion than at the interface with the downstream portion. As the result, the cross- sectional area available to a propellant gas passing through the constrictor constantly decreases and the propellent gas velocity continually increases. This constrictor geometry allows the arcjet thruster to be operated at a lower mass flow rate increasing the obtainable specific energy.
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