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Benoît Brichard Instrumentation Department Tel: +32 14 33 34 45 Secr: +32 14 33 34 40

IRRADIATION FACILITIES at SCK  CEN Nuclear Belgian Research Center Boeretang, 200 2400 Mol Belgium. Benoît Brichard Instrumentation Department Tel: +32 14 33 34 45 Secr: +32 14 33 34 40 Fax: +32 14 32 13 36 bbrichar@sckcen.be www.sckcen.be. Ooms Hans

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Benoît Brichard Instrumentation Department Tel: +32 14 33 34 45 Secr: +32 14 33 34 40

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  1. IRRADIATION FACILITIES at SCKCENNuclear Belgian Research CenterBoeretang, 2002400 MolBelgium Benoît Brichard Instrumentation Department Tel: +32 14 33 34 45 Secr: +32 14 33 34 40 Fax: +32 14 32 13 36 bbrichar@sckcen.be www.sckcen.be Ooms Hans Instrumentation DepartmentTel: +32 14 33 24 66 Secr: +32 14 33 24 07 Fax: +32 14 32 05 13 hooms@sckcen.be www.sckcen.be

  2. Quick overview Gamma Facilities I. Cobalt-60 • KIRSTEN 80 kGy/h • BRIGITTE 25 kGy/h • CMFA1 20 kGy/h • CMFA2 20 kGy/h • RITA 2 kGy/h • CAL 3 Gy/h II. Spent Fuels • GEUSE II 0.5 kGy/h Neutron Facilities I. BR1 • Maximum Thermal flux 3x1011 n/cm2s II. BR2 • Maximum Thermal flux 1x1015 n/cm2s • Maximum Fast Flux 7x1014 n/cm2s • Installations • Air cooled design • Vacuum design

  3. The irradiation facilities of SCKCEN cover a wide range of radiation processing and nuclear applications

  4. GEUSE II RITA Low Gamma Dose RateIrradiation Facilities

  5. Dose Rate Under water facility 0.5 => 1.5 kGy/h 60Co - spectrum Relative Intensity 380 mm 600 mm  Energy (MeV) RITA Large irradiation volume with moderate dose-rate • Temperature up to 150 °C • Inert gas or air • On-line instrumentation facilities

  6. CRISTALES:In-pile section for photonics assessment • Standard on line instrumentation • 3 thermocouples type K • Heating element • Signal cables • Rinsing of the chamber • Extra on line instrumentation • Fibers • Coax, extra thermocouples • Power cables • Instrumentation on demand

  7. Under water view 900 mm 380 mm Large irradiation volume with moderate dose-rate GEUSE II Dose Rate 10 => 500 Gy/h 137Cs - spectrum Relative Intensity  Energy (MeV) Temperature up to 200 °C Inert gas or air On-line instrumentation facilities

  8. Pressure (mbar) 10-6 mbar 600 mm 200 mm Time (h) Vacuum System Module for RITA and GEUSE II VSM • Design for polymer irradiation • Active low-vacuum

  9. A1 A2 C3 B BRIGITTE KIRSTEN High Gamma Dose RateIrradiation Facilities CMF A2 CMF A1 The four irradiation positions are located in the BR2 containment building

  10. Dose Rate Side view Container open 0.5 => 25 kGy/h 60Co - spectrum Relative Intensity 220 mm 900 mm  Energy (MeV) Large irradiation volume at high dose-rate BRIGITTE • Temperature up to 200 °C • Inert gas or air • On-line instrumentation facilities

  11. Polymer irradiation Testing in Brigitte

  12. Open Capsule with heater Capsule Dose Rate 0.5 => 20 kGy/h 60Co - spectrum Relative Intensity 900 mm  Energy (MeV) 80 mm Medium irradiation volume at high dose-rate CMF-A1 CMF-A2 • Temperature up to 200 °C • Inert gas or air • On-line instrumentation facilities

  13. 60Co - spectrum Relative Intensity  Energy (MeV) 35 mm 200 mm Small irradiation volume at high dose-rate KIRSTEN Dose Rate 80 kGy/h (57 MGy/Month) • No control of environmental parameters • Uniform dose rate over 100 mm • Only temperature monitoring

  14. CLARA Climate Chamber for ageing tests • Available Volume • 2 m3 • Temperature control • -36 to 180 °C • Humidity control • 10 to 98 % • Convenient Facility for pos-irradiation temperature testing

  15. CAL Low dose-rate irradiation facility Bunker Inside View Output Source View • Room temperature control at 21°C • Atmosphere and humidity control • Max Dose Rate: 1 Gy/h

  16. Material Testing Reactor – BR2

  17. Gamma Heating Fast Flux (En > 0.1 MeV) Thermal Flux Core 2.8x1014 7x1014 200 mm 10-15 W/g < 50 mm 7x1014 7x1014 Reflector 2.4x1014 7x1013 200 mm 84 mm 2.8x1014 1.4x1014 1-4 W/g 50 mm 1x1014 7x1012 SIDONIE Moving Irradiation Rig 6x1013 5 x 1013 ~ 3 W/g BR2: Material Testing Reactor – 56 MWNeutronic Performances in n/cm2s and Gamma Heating W/g[Al]

  18. BR1:Gas Cooled reactor – 700 kW to 1MW Standard value at 700 kW • Graphite moderator • Typical temperature: 40 °C -70 °C • Neutron and gamma standard fields • Thermal flux : 3.5x1011n/cm2s • Fast Flux : 2 x 1010 n/cm2s BR1, operated on day by day basis FUNIN – Fast neutron boost module • Fast Neutron in Y6 channel • ~ 1011 n/cm2 s • U-235 fission spectrum • Volume 80 mm2 • External Cavity – 1 m diameter • load with uranium sphere • Fast Flux 2-4 x 108 n/cm2 • possibility for Gamma Converter

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