Simulations of new uranium set-up K vinta used on Nuclotron accelerator at Dubna

1. Nuclear Physics Institute, Academy of Sciences of the Czech Republic Department of Nuclear Reactors, Faculty of Nuclear Sciences andPhysical Engineering, Czech Technical University in Prague Martin Suchopár Simulations of new uranium set-up Kvinta used on Nuclotron accelerator at Dubna 13th session of the AER Working Group F - "Spent Fuel Transmutations"& 4st meeting of INPRO Project RMI - "Meeting energy needs in the period of raw materials insufficiency during the 21st century" Liblice, Czech Republic, April 26 – 30, 2011

2. Outline • Energy + Transmutation & Kvinta setup • Method used in MCNPX simulations • Results • Conclusion Setup Method Results Conclusion

3. Energy + TransmutationSetup • Setup • E+T setup • Kvinta setup • Method • Results • Conclusion

4. Kvinta 2010 and 2011 Setup Kvinta 2010 setup Kvinta 2011 setup • Setup • E+T setup • Kvinta setup • Method • Results • Conclusion • 3 sections • 4 detector plates • Pb shielding • 5 sections • 6 detector plates • no Pb shielding

5. Kvinta-M 2011 Setup • Setup • E+T setup • Kvinta setup • Method • Results • Conclusion

6. Kvinta-M 2011 Setup • Setup • E+T setup • Kvinta setup • Method • Results • Conclusion

7. Comparison of E+T and Kvinta Setup E + T setup model Kvinta 2011 setup model • Setup • Method • Setup model • MCNPX simulation • Results • Conclusion 30 U rods 54 U rods 61 U rods

8. MCNPX simulations • Setup • Method • Setup model • MCNPX simulation • Results • Conclusion • Used version MCNPX 2.7a • Used la150n and la150h libraries • All available physics models tested • Most preferred combination of models – Bertini-Dresner (default) and INCL-ABLA (gives the best results)

9. Kvintaneutron distribution Kvinta 5 & 4 sections setup longitudinal neutron distribution • Setup • Method • Results • neutron distribution • neutron spectra • MCNPX models • Multiplicity in various models • Conclusion

10. Kvintaneutron distribution Kvinta 5 & 4 sections setup radial neutron distribution • Setup • Method • Results • neutron distribution • neutron spectra • MCNPX models • Multiplicity in various models • Conclusion

11. Kvintaneutron spectra Kvinta 5 & 4 sections setup neutron spectra • Setup • Method • Results • neutron distribution • neutron spectra • MCNPX models • Multiplicity in various models • Conclusion

12. Simulated multiplicity – various models Kvinta 5 sections setup neutron multiplicity • Setup • Method • Results • neutron distribution • neutron spectra • MCNPX models • Multiplicity in various models • Conclusion

13. Simulated multiplicity – various models Kvinta 5 sections setup neutron multiplicity per GeV • Setup • Method • Results • neutron distribution • neutron spectra • MCNPX models • Multiplicity in various models • Conclusion

14. Neutron multiplicityfrom various models • Setup • Method • Results • neutron distribution • neutron spectra • MCNPX models • Multiplicity in various models • Conclusion

15. Conclusion Setup Method Results Conclusion • made detailed model of the new Kvinta setup consisting of uranium target and blanket • calculated neutron multiplicity of several modifications of the new Kvinta setup • simulated neutron spectra in diverse positions in the new Kvinta setup • studied dependency on various physics models included in MCNPX

16. Thank you for your attention