Simulations of new uranium set-up K vinta used on Nuclotron accelerator at Dubna
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Simulations of new uranium set-up Kvinta used on
Nuclotron accelerator at Dubna
Martin Suchopár
Nuclear Physics Institute, Academy of Sciences of the Czech Republic
Department of Nuclear Reactors, Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague
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
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Energy + Transmutation & Kvinta setup
Method used in MCNPX simulations
Results
Conclusion
Outline
Setup
Method
Results
Conclusion
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Setup
• E+T setup
• Kvinta setup Method
Results
Conclusion
Energy + Transmutation Setup
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Kvinta 2010 and 2011 Setup
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Setup
• E+T setup
• Kvinta setup Method
Results
Conclusion
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Kvinta 2010 setup Kvinta 2011 setup
• 3 sections
• 4 detector plates
• Pb shielding
• 5 sections
• 6 detector plates
• no Pb shielding
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Setup
• E+T setup
• Kvinta setup Method
Results
Conclusion
Kvinta-M 2011 Setup
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Setup
• E+T setup
• Kvinta setup Method
Results
Conclusion
Kvinta-M 2011 Setup
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Setup Method • Setup model
• MCNPX simulation
Results
Conclusion
Comparison of E+T and Kvinta SetupE + T setup model Kvinta 2011 setup model
30 U rods 54 U rods 61 U rods
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MCNPX simulations
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• 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)
Setup Method • Setup model
• MCNPX simulation
Results
Conclusion
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Kvinta neutron distribution
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Setup Method
Results• neutron distribution
• neutron spectra
• MCNPX models
• Multiplicity in various models
Conclusion
Kvinta 5 & 4 sections setup longitudinal neutron distribution
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Kvinta neutron distribution
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Setup Method
Results• neutron distribution
• neutron spectra
• MCNPX models
• Multiplicity in various models
Conclusion
Kvinta 5 & 4 sections setup radial neutron distribution
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Kvinta neutron spectra
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Setup Method
Results• neutron distribution
• neutron spectra
• MCNPX models
• Multiplicity in various models
Conclusion
Kvinta 5 & 4 sections setup neutron spectra
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Simulated multiplicity – various models
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Setup Method
Results• neutron distribution
• neutron spectra
• MCNPX models
• Multiplicity in various models
Conclusion
Kvinta 5 sections setup neutron multiplicity
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Simulated multiplicity – various models
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Setup Method
Results• neutron distribution
• neutron spectra
• MCNPX models
• Multiplicity in various models
Conclusion
Kvinta 5 sections setup neutron multiplicity per GeV
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Neutron multiplicity from various models
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Kvinta 5 sections 4 sections3 sections +
Pb
Model 1 GeV 2 GeV 1 GeV 2 GeV 1 GeV 2 GeV
Bertini-ABLA 56.4 115.7 54.6 112.5 57.4 116.2
Bertini-Dresner 53.4 108.9 51.8 106.1 54.4 109.7
CEM03 58.5 118.3 56.7 115.2 57.4 114.7
INCL-ABLA 54.0 112.6 52.2 108.4 54.9 113.8
INCL-Dresner 54.0 112.6 52.2 108.4 54.9 113.8
ISABEL-ABLA 56.8 113.6 54.8 110.3 57.6 114.5
ISABEL-Dresner 52.8 105.8 51.3 102.7 54.1 106.7
Setup Method
Results• neutron distribution
• neutron spectra
• MCNPX models
• Multiplicity in various models
Conclusion
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Conclusion
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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
Setup
Method
Results
Conclusion
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Thank you for your attention