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In the search for transmutation concepts, accelerator driven sub-critical actinide and isotope incinerators have attracted a great deal of attention. One reason is the fact that actinide fuelled (critical) reactors pose a particular problem of control as they are characterised by a small delayed neutron fraction coupled with a small Doppler effect and a positive void coefficient. In this context one point kinetic studies have been performed dealing with fast transients as a function of reactivity insertion in accelerator driven systems. These show that such boosters behave quite benignly even if they are only slightly subcritical. A new formula relating the accelerator energy requirements with the amount of fission product transmutation and the multiplication factor of the system has been developed.

Additional information

Authors: RIEF H, JRC Ispra (IT);TAKAHASHI H, Brookhaven National Laboratory, Upton (US)
Bibliographic Reference: Paper presented: Reactor Physics and Reactor Computations, Tel Aviv (IL), January 23-26, 1994
Availability: Available from (1) as Paper EN 38887 ORA
Record Number: 199510575 / Last updated on: 1995-05-03
Original language: en
Available languages: en
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