nins3 project - ats-fns.fi · pdf filenins3 project • novel instrumentation for ... (4...
Post on 07-Mar-2018
214 Views
Preview:
TRANSCRIPT
NINS3 project
Pauli Peura
Helsinki Institute of Physics
Nuclear Science and Technology Symposium 2016
2.11.2016, Helsinki
Outline
q Administrative information
q R&D Topics
q Research to Business (R2B)
q Outlook
2/11/16 NST2016 2
NINS3 project
• Novel instrumentation forNuclear Safety, Security and Safeguards (NINS3)
• A 4-year funding from Tekes via the FiDiProprogram, 2015 – 2018.
• Integral part of the National Radiation SafetyResearch Program
2/11/16 NST2016 3
NINS3 project• Project partners:² Helsinki Institute of Physics (HIP),² Tampere University of Technology (TUT),² STUK,² and a consortium of companies in Finland
• Reporting to Tekes three times a year• Regular Steering Group meetings
2/11/16 NST2016 4
PersonnelResearchers funded by the project (UH)• FiDiPro professor (4 months/year), project leader
Peter Dendooven• Postdocs (4-years) stationed at HIP, research topics 1&3
Camille Bélanger-Champagne, Pauli Peura• PhD student (4-years) stationed at TUT, research topic 2
Thomas Kerst
STUK: Kari PeräjärviTapani Honkamaa
HIP: Paula Eerola (project PI)Eija TuominenJaakko Härkönen
TUT: Juha Toivonen
JYU: Ari JokinenBME: Ferenc LévaiJRC-ITU: Erich Hrnecek
Senior researchers not funded by the project
2/11/16 NST2016 5
R&D Topic 1 - Passive tomography ofspent nuclear fuel
• A prototype of a passive gamma-raytomography (PGET) device exists:
STUK / HUN / IAEA collaboration.• Gamma-ray emission tomography can
detect a single replaced fuel rod.
2/11/16 NST2016 6
T. Honkamaa, STUK
• Testing for partial defects: diversion of part of the fuel toundeclared purposes.
• IAEA policy: High detection probability is needed.
• Final disposal of spent nuclear fuel in Finland:A suitable fuel-inspection device is needed. Reconstructed image,
PGET prototype data
Topic 1 – PGET prototype
Side view
Top view
Collimator
2/11/16 NST2016 7
Topic 1 - NINS3• Geant4 Monte Carlo simulations for investigating improved
technology: detectors, collimator construction• Focus on the applications in Finland• Image reconstruction software & knowledge transfer from
Budapest, Hungary.
T. Honkamaa, STUK
Reconstructed image
2/11/16 NST2016 8
C. Bélanger-Champagne, HIP
Simulation geometry• Testing of new ideasusing prototype devices
Electronics upgrade• Electronics upgrade financed by
IAEA. NINS3 will participate intesting of the updated PGET.
• Experiments to be performed withthe upgraded device in 2017.
T. Honkamaa, STUK
2/11/16 NST2016 9
R&D Topic 2 – Alpha-radiation andthreat detection from a distance
2/11/16 NST2016 10
• Alpha particles kick outelectrons.
• The secondary electronsexcite N2 (for example).
• UV light is emitted.• Range of light >> range of
alpha particles in air.
Topic 2 – Earlier work
Mixed Oxide (MOX) fuel pellets (6 g), 60 s exposure; J. Sand et al., CLEO Europe, 12-16 May 2013, Munich,Germany
Daylight image UV image (in darkness) Overlay image
• Earlier research performed at TUT / STUK: passive detectionof ionization-induced UV luminescence of air
2/11/16 NST2016 11
Topic 2 - NINS3
2/11/16 NST2016 12
Topic 2 - NINS3
2/11/16 NST2016 13
Topic 2 - NINS3
2/11/16 NST2016 14
àChange of gas mixture around the alphaparticle source can have a big effect onthe emitted light spectrum.
Further work:• Increase of UV light yield (passive / active
ways) in the solar-blind region (λ < 300 nm)• Mimic real-life threat scenarios, use
techniques on realistic sources
R&D Topic 3 – Active neutroninterrogation of unknown objects
• Development of existing efforts incollaboration with JHV Physics Oy andHT Nuclear Oy
• Geant4 Monte Carlo simulations,where both the neutron source anddetector specifications are considered.
• Possibilities to improve the gamma-raydetection systems?
2/11/16 NST2016 15
• Measure/image neutron-induced isotope-specificγ radiation of unknown objects that are e.g. (suspected)explosives, chemical weapons
C. Bélanger-Champagne, HIP
Unknownobject
Gamma-raydetector
Neutrons
Topic 3 – NINS3
2/11/16 NST2016 16
Energy, MeV
All neutrons start withEn = 2.5 MeV.
Neutron sample sizeswere 107 – 108.
C. Bélanger-Champagne, HIP
Topic 3 – NINS3
2/11/16 NST2016 17
Energy, eV
C. Bélanger-Champagne, HIP
Topic 3 – NINS3
2/11/16 NST2016 18
H
14N
Detected gammas:
54Fe
56Fe
56Fe
C. Bélanger-Champagne, HIP
Gamma-raydetector
Research to Business (R2B)• Preparation, planning and
testing of commercializationpotential of the ideas generatedin the project.
• Market Research Report in2015
• Next: Identify promisinginventions and start planningtheir commercialization
2/11/16 NST2016 19
Outlook• R&D Topic 1
– PGET prototype electronics update: NINS3 / STUK to join testing ofthe updated instruments and the measurement campaigns at NPPsites.
– MC simulations of the PGET prototype will be performed.– Image reconstruction methods are to be investigated.
• R&D Topic 2– Setting up the laser setup for the active detection of alpha-radiation-
induced fluorescence• R&D Topic 3
– Simulations: implementation of neutron source and activation ofobjects done. Compare simulations with simple measurementsperformed at STUK.
– Better performance of the NAA system when using electronicneutron-generators is to be expected.
2/11/16 NST2016 20
Thank you!
Paula Eerola, Peter Dendooven, Juha ToivonenCamille Bélanger-Champagne, Pauli Peura, Thomas Kerst
http://research.hip.fi/hwp/nins3/pauli.peura@helsinki.fi
2/11/16 NST2016 21
top related