Documents / Report
This Defense Intelligence Agency reference document, dated 1 November 2010, is one of a series of advanced technology reports produced in FY 2010 under the Advanced Aerospace Weapons System Applications (AAWSA) Program. It covers fusion plasma physics, confinement methods, and propulsion concepts that use aneutronic fuels such as hydrogen and boron-11. It concludes that such thrusters may soon replace satellite ion thrusters. It also finds that they will not be practical beyond the solar system without breakthrough propulsion physics.
“Jet Propulsion Laboratory”1 page
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tokaniaks cotnpared to t.i,e ITER project
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Figure 17. Progress in Tokomak Magnetic Confinement Fusion
The issues of tokomaks as a potential source of fusion power are dramatized by the
recent graphic (Figure 18) published in the American Nuclear Society's Fusion Energy
Division Newsletter (Dec 2007) depicting the GE Next-Generation Boiling-Water Reactor
(Economic Simplified BWR). The reactor, which costs about $3 billion, will produce
enough thermal energy to generate 1.2 GWe (gigawatt e1ectrica1), . Its fuel rods will have
to be replaced every 3 years. In an operating fusion tokamak reactor, the first wall and
neutron absorbing and tritium breeding thermal blanket would have to be replaced
every 5 years. Two orders of magnitude more volume and an extremely complex
thermal transport system will be at a considerably greater cost and down time for the
plant. With the recent and predicted escalation of fossil fuel costs, nuclear power has
become economically competitive with coal and oil plants. It is clear that a tokamak
power plant could not compete with the fission plant at current market energy prices.
22
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Report, from the dia collection. The PDF is mirrored here; the original link is above. 36 pages are in the text index: search them above, or from the library's search.