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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.
J.M. Perlado
Fusion Science and Technology | Volume 10 | Number 3 | November 1986 | Pages 1303-1308
Fusion Application | doi.org/10.13182/FST86-A24910
Articles are hosted by Taylor and Francis Online.
The more important neutronic characteristics are simultaneously analyzed in the context of fusion-fission blankets. The analysis is referenced to a gas protected cavity, where dimensions and material compositions are varied. It is intended to know the regimes in which that hybrid blanket works when two independent variables are changed. The 6Li enrichment and the atomic density of 238U have been selected as those variables, and the study is performed for two different solid breeders Li2O and γ-LiAlO2. The effect of the thickness of the fertile zone was pointed out in previous articles and here we look for an optimum working point and will set a comparison with precedent results when LiH is used as the solid breeder. A physical figure of merit is established, which relates the characteristics of the fertile zone. Constraints on the TBR and fissile production are introduced to obtain efficient working points. Finally, the He, liquid lithium and Li17Pb83 eutectic are considered as candidate coolants and their effects on the neutronic performances are analyzed.