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Washington, DC|Washington Hilton
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Researchers use one-of-a-kind expertise and capabilities to test fuels of tomorrow
At the Idaho National Laboratory Hot Fuel Examination Facility, containment box operator Jake Maupin moves a manipulator arm into position around a pencil-thin nuclear fuel rod. He is preparing for a procedure that he and his colleagues have practiced repeatedly in anticipation of this moment in the hot cell.
David A. Noever
Fusion Science and Technology | Volume 27 | Number 1 | January 1995 | Pages 86-102
Technical Paper | Fusion Reactor | doi.org/10.13182/FST95-A30352
Articles are hosted by Taylor and Francis Online.
The possibility of enhancing the ratio of output to input power Q in a simple mirror machine by polarizing deuterium-tritium (D-T) nuclei is evaluated. Taking the Livermore mirror reference design mirror ratio of 6.54, the expected sin2 ϑ angular distribution of fusion decay products reduces immediate losses of alpha particles to the loss cone by 7.6% and alpha-ion scattering losses by ∼50%. Based on these findings, alphaparticle confinement times for a polarized plasma should therefore be 1.11 times greater than for isotropic nuclei. Coupling this enhanced alpha-particle heating with the expected > 50% D-T reaction cross section, a corresponding power ratio for polarized nuclei, Qpolarized, is found to be 1.63 times greater than the classical unpolarized value Qclassical. The effects of this increase in Q are assessed for the simple mirror.