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Remembering Charles E. Till
Charles E. Till
Charles E. Till, an ANS member since 1963 and Fellow since 1987, passed away on March 22 at the age of 89. He earned bachelor’s and master’s degrees from the University of Saskatchewan and a Ph.D. in nuclear engineering from Imperial College, University of London. Till initially worked for the Civilian Atomic Power Department of the Canadian General Electric Company, where he was the physicist in charge of the startup of the first prototype CANDU reactor in Canada.
Till joined Argonne National Laboratory in 1963 in the Applied Physics Division, where he worked as an experimentalist in the Fast Critical Experiments program. He then moved to additional positions of increasing responsibility, becoming division director in 1973. Under his leadership, the Applied Physics Division established itself as one of the elite reactor physics organizations in the world. Both the experimental (critical experiments and nuclear data measurements) and nuclear analysis methods work were internationally recognized. Till led Argonne’s participation in the International Nuclear Fuel Cycle Evaluation (INFCE), and he was the lead U.S. delegate to INFCE Working Group 5, Fast Breeders.
D. D. Ryutov, P. B. Parks
Fusion Science and Technology | Volume 54 | Number 4 | November 2008 | Pages 978-988
Technical Paper | doi.org/10.13182/FST08-A1913
Articles are hosted by Taylor and Francis Online.
Dynamics of the compression of a magnetized plasma target by a heavy liner made of partially ionized high-Z material is discussed. A soft-landing (shockless) mode of the liner deceleration is analyzed. Conclusion is drawn that such mode is possible for the liners whose thickness at the time of the first contact with the target is smaller than ~10% of the initial (uncompressed) target radius. A combination of the plasma liner with one or two glide cones allows for direct access to the area near the center of the reactor chamber. One can then generate a plasma target inside the plasma liner at the optimum time. The other advantage of the glide cones is that they can be used to deliver additional fuel to the center of the target near the point of maximum compression and thereby increase the fusion yield.