Design and Construction of the PT-1 Prototype Plasmoid Thruster

Details Design and Construction of the PT-1 Prototype Plasmoid Thruster Design and Construction of the PT-1 Prototype Plasmoid Thruster

Jan 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aipc..813..474e&link_type=abstract

SPACE TECH.& APPLIC.INT.FORUM-STAIF 2006: 10th Conf Thermophys Applic Microgravity; 23rd Symp Space Nucl Pwr & Propulsion; 4th C

Physics

Ion And Plasma Propulsion, Spaceborne And Space Research Instruments, Apparatus, And Components

Scientific paper

The design and construction of a plasmoid thruster prototype is described. This thruster operates by expelling pre-detached plasmoids at high velocities. These plasmoids are field reversed configuration plasmas which are formed by reversing a magnetic flux frozen in an ionized gas inside a theta-pinch coil. The pinch coil is a unique multi-turn, multi-lead design chosen for optimization of inductance and field uniformity. The coil is wound around an alumina ceramic core and the operation of the thruster is completely electrode-less. The design of this thruster follows a series of experiments at NASA MSFC based on a single turn theta-pinch coil called the ``Plasmoid Thruster Experiment.'' Key issues are addressed which affect the efficiency of the PT-1. Testing of this device will begin in FY06 at the NASA MSFC Propulsion Research Center.

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