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ANS members approve amendment adding YMG rep to board of directors
The American Nuclear Society will include a representative from the Young Members Group on its Board of Directors after ANS members voted this week overwhelmingly in favor of amending Article B6 of the ANS bylaws. The change was mandated by Objective Outcome 5 of the ANS Change Plan 2020.
To keep the number of directors at 16, the approved amendment decreased the number of non–U.S. resident directors from three to two.
Fusion Science and Technology | Volume 4 | Number 2 | September 1983 | Pages 339-347
Alternate Fuels | dx.doi.org/10.13182/FST83-A22888
Articles are hosted by Taylor and Francis Online.
Alternate fusion fuels, i.e., fuels based on cycles other than d-t, are advocated because of apparent safety and environmental advantages, such as low activation of reactor materials and the relaxation of the requirement for tritium breeding that one needs for a d-t fusion reactor. Nevertheless, the lower fusion reaction rates and the higher required operating temperatures have suggested that the reactor performance would be inferior to that of a d-t reactor. This question of reactor performance relative to fuel cycle is examined here in the restricted context d-t versus d-d (with variations) In tokamaks, reversed-field pinches and tandem mirrors, although results relative to other concepts and cycles are reviewed. Each reactor concept is assessed relative to the relevant physics, engineering, cost and safety issues. There are distinct physics and technical leverages for each of the concepts, but many common features as well. For example, all three concepts require no blanket tritium breeding and have a much lower tritium inventory than their d-t counterparts, as well as, longer blanket lifetime, greater blanket efficiency, higher neutron energy multiplication and less activation. The physics constraints are not necessarily greater and cost per net power output between d-t and d-d reactors can be comparable.