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MSR Experimental Studies within the Czech Technical Development Program and in the Frame

1. MSR Experimental Studies within the Czech Technical Development Program and in the Frame of EURATOM Activity in MSR SSC of GIF. by Miloslav Hron Nuclear Research Institute Rez plc , Czech Republic EURATOM representative in MSR SSC GIF. Liblice, March 26, 2008.

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MSR Experimental Studies within the Czech Technical Development Program and in the Frame

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  1. 1 MSR Experimental Studies within the Czech Technical Development Program and in the Frame of EURATOM Activity in MSR SSC of GIF by Miloslav Hron Nuclear Research Institute Rez plc,Czech Republic EURATOM representative in MSR SSC GIF Liblice, March 26, 2008

  2. Simplified computational model of the SPHINX transmuter(SPent Hot fuel Incinerator by Neutron fluX) 2 • elementary module – critical system • fuel :35% LiF+ 38% BeF2+ 27% NaF+ + 0.75 mоl %(Pu,MA)F3from spent fuel of PWR (WWER-440) with burn-up 40 MWd/kg • system temperature 650 °C • Hfuel =320cm, rfuel=160cm,tgraphite = 50 cm • P=1215MWt , Φ=1x1015 cm-2sec-1 Liblice, March 26, 2008

  3. Calculated masses of selected actinides [kg/TWhe] actinide WWER-440 SPHINX Np 1.91x10+0 5.82x10-3 Pu 4.05x10+1 2.39x10-1 Am 1.04x10+0 2.26x10-2 Cm 2.20x10-1 5.24x10-2 Residual Actinides in Spent Fuel 3 Liblice, March 26, 2008

  4. Optimization of transmuter blanket elementary module geometry R1MAX R1 4 Liblice, March 26, 2008

  5. p p p p p p The SR-0 Experimental Transmuter Concept 0,97 0,965 35%U235 enrichment 0,96 0,955 kef graphite 0,95 0,945 fluorides of fissionable isotopes 0,94 0,935 fluorides of non-fissionable isotopes 0 10 20 30 40 50 60 p [cm] 5 Liblice, March 26, 2008

  6. The LVR-15 Core with the BLANKA Rigs Positions BLANKA 1 position H6 BLANKA 4 position E9,E10,F9,F10 6 Liblice, March 26, 2008

  7. Scheme of the BLANKA 1 Rig 7 Liblice, March 26, 2008

  8. Temperatures in the BLANKA 1 Rig 8 Liblice, March 26, 2008

  9. 9 01/2002 (4 and 5 February 2002): empty rig – the measuring devices provement 02/2002 (16 and 17 April 2002): NaF, NaF+Mo compositions installed 01/2003 (3 - 5 February 2003): the following compositions in the individual pots: NaF , NaF + Mo, NaF +UF4 Tm=995°C 7LiF+NaF, 7LiF + NaF+UF4,7LiF + NaF + MoO3, 7LiF + NaF + BaF2Tm=670°C Irradiations of the BLANKA 1 Rig in the LVR-15 Research Reactor (see the next slide) Liblice, March 26, 2008

  10. graphite air iron reflector measuring channels alumina 50 mm 25 mm The BLANKA 4 Rig Scheme Fe reflector Small size channel Graphite Helium Large fuel channel 142 mm, tl. 10 mm 71 mm 284 mm 10 Liblice, March 26, 2008

  11. Space Distribution of Neutron Fluxin the BLANKA 4 Rig Resonance Neutrons Thermal Neutrons 11 Liblice, March 26, 2008

  12. The LR-0 Experimental Reactor Core with Shortened (125 сm) WWER-1000 Fuel Assemblies 12 Liblice, March 26, 2008

  13. А) С) В) fluorides graphite Program EROS - the Inserted Zones into the LR-0 Driving Core Inserted Zone Elements BC 1100 • x[mol%]LiF+y [mol%] BeF2 +z [mol%]NaF +u [mol%] ZrF4 + w [mol%](HN) F4 • x=y=0; z=100; u=w=0 2. x=100; y=z=u=w=0; • 3. x=60; y=0; z=40; u=w=0 4. x=33; y=0;z= 45;u=0;w=22 13 Liblice, March 26, 2008

  14. 1/6 of the Hexagonal Shaped Element The Holes for Fluoride Salts Filling Measuring Channels Construction of the BC 1100 Element by 6 »Coffins» and 1 Central Cylindrical Tube 14 Liblice, March 26, 2008

  15. The ВС 1100 Element while Inserted in the LR-0 Driving Core 15 Liblice, March 26, 2008

  16. First Experiments with theIndividual BC-1100 Element Inserted Zones Performed in2006 В) С) Critical Height measured calculated error НА)=44.075см (43,70)-0.8% НВ)=48.507см (50,00) +3.1% НС)=47.955см (49,55) +3.3% А) 3,6 % U235 enrichment 4,4 % U235 16 Liblice, March 26, 2008

  17. The SR-0 ExperimentalReactorElementary Module 236 mm PWR (WWER –1000) Fuel Assembly Graphite Block Molten Fluorides of Transmuted Isotopes Liquid fuel (Molten Fluorides of Fissionable Isotopes) 80 mm 17 Liblice, March 26, 2008

  18. Radial Distribution of Neutron Group Fluxes in the SR-0 Elementary Module 18 Liblice, March 26, 2008

  19. Long - Term R&D Program EROS E01 Static Experiments with Various Fluoride Compositions at Room Temperature 2007-8 E02 Kinetic Experiments at Room Temperature Modeling Flowing of Fluid Fuel by Movement of Blocks Containing Fluoride Compositions2008-9 E03 Static and Dynamic Experimentswith Cirсulated Molten (by Electric Heating)Salts at Temperatures up to 250oC 2010-11 E04 Static and Dynamic Experimentswith Cirсulated Molten (by Electric Heating)Salts at Temperatures up to 600-750oC 2011-12 19 Liblice, March 26, 2008

  20. (1) cyclotronU-120M (6) target Neutron Generator NG2 in the CyclotronLab of the NPI Rez 20 Liblice, March 26, 2008

  21. Irradiation of the SR-0 ElementaryModule (FANTOM) by Neutron Generator of CyclotronAccelerator 21 Liblice, March 26, 2008

  22. FANTOM for the irradiation by hard spectrum of the NG 2neutron generator Liblice, March 26, 2008

  23. Radial Distribution of Neutron Group Fluxes in FANTOM 23 Liblice, March 26, 2008

  24. Summary-conclusions EURATOM activity in the frame of GEN IV MSR SSC started very efficiently based on experiences accumulated in the 5 FP project MOST (2002-2004) EURATOM activity in the frame of GEN IV MSR SSC has been for the time being based on national R&D programs of some member states in the complex MSR development and on the JRC-ITU program of the salt properties measurements The development of simulation tools coupling neutronics, thermal-hydraulics and chemistry (design and safety) together with basic models (physico-chemistry) is a high priority task The SR-0 experimental reactor project being under preparation in the SPHINX burner concept has been proposed as an EURATOM experimental basis for its MSR program Liblice, March 26, 2008 24

  25. THANK YOU FOR YOURATTENTION Liblice, March 26, 2008

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