Diagnostics and performance of a 1/4-scale MPD thrusterThe primary purpose of this study is to evaluate the performance and scaling characteristics of a 1/4-scale magnetoplasmadynamic (MPD) thruster operating with and without applied magnetic nozzle fields. The experiment was carried out with separate pulse forming networks for the thruster and the applied field solenoidal coil. A strong correlation of impact pressure signal with thruster current was noted. Also striking was the larger impact signal when the magnetic nozzle field was applied. Measurements of N(e) and T(e) from Langmuir probes have been made. Compatible interpretation of pressure with N(e), T(e), allow local velocity to be mapped, thus enhancing understanding of the acceleration process.
Document ID
19900055570
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
York, T. M. (Ohio State Univ. Columbus, OH, United States)
Zakrzwski, C. (Ohio State Univ. Columbus, OH, United States)
Soulas, G. (Ohio State University Columbus, United States)