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Science and Technology of Nuclear Installations
Volume 2012, Article ID 140946, 11 pages
Research Article

Solutions without Space-Time Separation for ADS Experiments: Overview on Developments and Applications

Helmholtz-Zentrum Dresden-Rossendorf, Institut für Sicherheitsforschung, Postfach 51 01 19, 01314 Dresden, Germany

Received 13 December 2011; Accepted 17 March 2012

Academic Editor: Alberto Talamo

Copyright © 2012 B. Merk and V. Glivici-Cotruţă. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The different analytical solutions without space-time separation foreseen for the analysis of ADS experiments are described. The SC3A experiment in the YALINA-Booster facility is described and investigated. For this investigation the very special configuration of YALINA-Booster is analyzed based on HELIOS calculations. The results for the time dependent diffusion and the time dependent equation are compared with the experimental results for the SC3A configuration. A comparison is given for the deviation between the analytical solution and the experimental results versus the different transport approximations. To improve the representation to the special configuration of YALINA- Booster, a new analytical solution for two energy groups with two sources (central external and boundary source) has been developed starting form the Green's function solution. Very good agreement has been found for these improved analytical solutions.