"Flow velocity." . . "Propulsion system performance." . . "Ion engines." . . "Electric potential." . . . "NEXT ion thruster performance dispersion analyses" . . . . . . . . . . . . . . . "AIAA/ASME/SAE/ASEE Joint Propulsion Conference (43rd 2007 : Cincinnati, Ohio)" . . . "Transition flow." . . "Component reliability." . . . . "Rocket engines." . .