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Directions for reactor target design based on the U.S. Heavy Ion Fusion Systems Assessment

Published online by Cambridge University Press:  09 March 2009

D. C. Wilson ,
D. Dudziak ,
G. Magelssen ,
D. Zuckerman  and
D. Driemeyer
D. C. Wilson
Affiliation:
Los Alamos National Laboratory, Los Alamos, New Mexico, U.S.A.
D. Dudziak
Affiliation:
Los Alamos National Laboratory, Los Alamos, New Mexico, U.S.A.
G. Magelssen
Affiliation:
Los Alamos National Laboratory, Los Alamos, New Mexico, U.S.A.
D. Zuckerman
Affiliation:
McDonnell Douglas Astronautics Co., P.O. Box 516, St. Louis, Missouri, U.S.A.
D. Driemeyer
Affiliation:
McDonnell Douglas Astronautics Co., P.O. Box 516, St. Louis, Missouri, U.S.A.
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Abstract

The Heavy-Ion Fusion Systems Assessment project is nearing completion of a two-year effort. The resulting system modelwill be used to set directions for future target design work.

Major uncertainties in target design were studied using thecost of electricity as a figure of merit. Net electric power was fixed at 1000 MW to eliminate large effects due to economies of scale. The system is relatively insensitive to target gain, factors of three changes in gain resulting in 8 to 12% changes in electricity cost. Possible increased peak power requirements pose only a small cost risk, but require many more beamlets for transport. A shortening ofthe required ion range causes both cost and beamlet difficulties. A factor of 4 decrease in the required range at a fixed driver energy increases electricity cost by 44% and raises the number of beamlets to 240. Finally, the heavy ion fusion system can accommodate large increases in target costs. Thus, to address the major uncertainties, target design should concentrate on requirements for ion range andpeak driver power.

Type
Research Article
Information
Laser and Particle Beams , Volume 5 , Issue 3 , August 1987 , pp. 517 - 524
Copyright
Copyright © Cambridge University Press 1987

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References

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