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Conceptual Design of an MTF Space Propulsion SystemMost fusion propulsion concepts that have been investigated in the past employ some form of inertial or magnetic confinement separately, and are encumbered by the need for advanced drivers (e.g. laser) or steady-state magnetic confinement systems (e.g. superconductors) that have historically resulted in large, massive spacecraft designs. Here we present a comparatively new approach, Magnetized Target Fusion (MTF), which offers a nearer-term avenue for realizing the tremendous performance benefits of fusion propulsion. MTF attempts to combine the favorable attributes of both inertially and magnetically confined fusion to achieve both efficient and low-cost compressional plasma heating and energy confinement. The key advantage of MTF is its less demanding requirements for driver energy and power processing. Additional features include: 1) very low system masses and volumes, 2) relatively low waste heat, 3) substantial utilization of energy from product neutrons, 4) efficient, low peak-power drivers based on existing pulsed power technology, 5) very high Isp , specific power and thrust, and 6) relatively affordable R&D pathways. MTF overcomes many of the problems associated with traditional fusion techniques, thus making it particularly attractive for space applications. Isp greater than 50,000 seconds and specific powers greater than 20 kilowatts/kilogram appear feasible using relatively near-term pulse power and plasma gun technology.
Document ID
20020049843
Acquisition Source
Marshall Space Flight Center
Document Type
Conference Paper
Authors
Thio, Y. C. F.
(NASA Marshall Space Flight Center Huntsville, AL United States)
Schmidt, G. R.
(NASA Marshall Space Flight Center Huntsville, AL United States)
Kirkpatrick, R. C.
(Los Alamos National Lab. NM United States)
Turchi, P. J.
(Los Alamos National Lab. NM United States)
Rodgers, Stephen L.
Date Acquired
August 20, 2013
Publication Date
January 1, 2002
Subject Category
Spacecraft Propulsion And Power
Meeting Information
Meeting: DOE Innovative Confinement Concepts
Location: College Park, MD
Country: United States
Start Date: January 22, 2002
End Date: January 24, 2002
Sponsors: Department of Energy
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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