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Performance characterisation of MPD thrusters

Published online by Cambridge University Press:  03 February 2016

T. R. Nada*
Affiliation:
National Authority for Remote Sensing and Space Sciences Cairo, Egypt

Abstract

This paper introduces a characterisation of the performance indices and operating limits of the self field magnetoplasmadynamic thruster. The thrust, specific impulse, and efficiency are considered as the main performance indices, while the operating limits are the cathode lifetime, onset phenomenon, and the overfed state of the thruster. The effects of thruster parameters (current, mass flow rate, geometry, and propellant type) on the performance indices and operating limits are examined using one-dimensional model of cylindrical self-field thrusters. Design charts are presented to help the designers to choose the optimum and safe set of the thruster parameters that realise certain mission requirements.

Type
Research Article
Copyright
Copyright © Royal Aeronautical Society 2007 

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