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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014
ENEA Thermal and Fast Research Reactors utilization for R&D activities at Casaccia Center
M. Sepielli, L. Falconi, M. Carta, M. Palomba, M. G. Iorio, M. Cesaroni, A. Dodaro, O. Fiorani, A. Rosada, A. Santagata, E. Santoro, F.A. Sedda
ENEA
Italian National Agency for New Technologies, Energy and Sustainable Economic Development
C.R. CASACCIA Via Anguillarese, 301 ,00123 S. MARIA DI GALERIA (ROMA) ITALY
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014
1. TRIGA RC-1 reactor
2. TAPIRO reactor
3. Final comments
2
Presentation Layout
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 3
We are here
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 4
We are here
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 5
TRIGA RC-1 Reactor
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 6
TRIGA RC-1 Reactor
Reactor Triga Mark II
Reactor Name ENEA RC-1
Site C.R. Casaccia Rome
Power 1 MW
Construction (100 kW) 1960
Upgrade (1 MW) 1967
Fuel Uranium – ZrH alloy (8.5% Wt U)
Enrichment 20 % 235U
Moderator H2O, ZrH
Coolant Demineralized water in natural convection
TRIGA RC-1 Main Features - 1
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 7
TRIGA RC-1 Reactor
TRIGA RC-1 Main Features - 2
Reflector Graphite
Control rods #3 B4C Fuel Follower
#1 B4C Regulating Rod
Fuel Clad SS – Clad (0.5 mm thickness)
U – 235 per fuel element ~ 38 g (fresh)
U – 235 loaded ~ 3400 g
Max burn-up allowed 35 %
Max Neutron Flux (Central Thimble) ~ 2.7∙1013 n/cm2∙s
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 8
TRIGA RC-1 Reactor
Horizontal Section
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 9
TRIGA RC-1 Reactor
Experimental channels
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 10
TRIGA RC-1 Reactor
Standard Core Configuration
Standard Fuel Elements (N=106)
Fuel Follower Control Rod (N=3)
Boron Carbide Control Rod (N=1)
Instrumented Elements (N=3)
Graphite (N=11)
Neutron Source (N=1)
Central Thimble (Air or Water)
Rabbit
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 11
TRIGA RC-1 Reactor TRADE epopee (2000÷2006)
SC3 (~ -5000 pcm)
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 12
pre-TRADE Experimental Benchmark
M. Carta, N. Burgio, V. Peluso, R. Rosa, A. Santagata (ENEA)
C. Jammes (CEA)
M. Martina (Politecnico di Torino)
T. Sasa, T. Sugawara (JAEA)
IAEA Coordinated Research Project
“Analytical and Experimental Benchmark Analyses of Accelerator Driven Systems (ADS)”
coordinated by A. Stanculescu → S. Monti (IAEA)
TRIGA RC-1 Reactor TRADE epopee (2000÷2006)
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 13
Irradiation studies in neutron thermal field.
Neutron Radiography & Tomography.
Neutron Activation Analysis.
Radioisotopes production for medical applications.
Reactor modeling: reconstruction of the current fuel burnup level.
Formulation of a Strategic Planning.
Education & Training.
TRIGA RC-1 Reactor Main activities
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 14
TRIGA RC-1 Staff
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 15
TAPIRO Reactor
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 16
TAPIRO Reactor
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 17
TAPIRO Reactor
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 18
TAPIRO Reactor
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 19
0.E+00
2.E+10
4.E+10
6.E+10
8.E+10
1.E+11
1.E+11
1.E-01 1.E+00 1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06 1.E+07 1.E+08
f
E (eV)
16.5
0.E+00
2.E+08
4.E+08
6.E+08
8.E+08
1.E+09
1.E+09
1.E+09
2.E+09
1.E-01 1.E+00 1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06 1.E+07 1.E+08
f
E (eV)
42.5
0.E+00
1.E+11
2.E+11
3.E+11
4.E+11
5.E+11
6.E+11
7.E+11
8.E+11
1.E-01 1.E+00 1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06 1.E+07 1.E+08
f
E (eV)
0.25
Φ ≈ 3∙1012 n/cm2∙s @ 5 kW Φ ≈ 5∙1011 n/cm2∙s @ 5 kW
Φ ≈ 2∙1010 n/cm2∙s @ 5 kW
TAPIRO Reactor
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014
What has been done in the past… The TAPIRO neutronic characterization 1983-1986
I must state that I am not aware of any permanent nuclear reactor system that, despite its a-priori complexity, has ever been so comprehensively characterized neutronically, over so large and steep a range of neutron field variation, over so complete an energetic domain and to the accuracy levels defended here. A. Fabry, NEUTRONIC CHARACTERIZATION OF THE TAPIRO FAST-NEUTRON SOURCE REACTOR
20
Bilateral agreement ENEA - SCK•CEN Mol
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014
Benchmark-Field Referencing
21
25
25i
k,iEQ
k,i,c
cf
f
TAPIRO
MOL - ΣΣ
Flux Tranfer NBS (USA) MOL - ΣΣ
What has been done in the past… The TAPIRO neutronic characterization 1983-1986
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014
Direct integral experimental link between the standard (fission spectrum) and the Tapiro core center neutron field shows impressive spectral similitude above 1 MeV, a fact which allows to turn the second system into a true benchmark facility. This is the only fast neutron benchmark in Western Europe displaying neutron fluxes as high as 1012 cm-2 s-1, a feature making it ideally suited for routine Benchmark Field Referencing within the Community.
22
A. Fabry, NEUTRONIC CHARACTERIZATION OF THE TAPIRO FAST-NEUTRON SOURCE REACTOR
What has been done in the past… The TAPIRO neutronic characterization 1983-1986
Bilateral agreement ENEA - SCK•CEN Mol
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 23
(not exhaustive list, casual order)
APD (Avalanche PhotoDiodes) irradiation in support of CMS (Compact Muon Solenoid – LHC – CERN) experiences
M. Angelone, A. Festinesi, G.Rosi, F. Cavallari, M. Diemoz, E. Longo, G. Organtini; Neutron flux Measurement at Tapiro fast reactor for APD’s Irradiation fluence evaluation; CMS NOTE 1998/060
MDT (Monitored Drift Tubes) irradiation in support of ATLAS (LHC – CERN) experiences
D. Salvatore, P. Branchini, S. Di Luise, E. Graziani, C. Mazzotta, E. Meoni, G. Morello, A. Passeri, F. Petrucci, A. Policicchio, M. Schioppa; Neutron intensive irradiation test on ATLAS MDT chambers at TAPIRO nuclear reactor; Nuclear Physics B (Proc. Suppl.) 172 (2007) 183–186
SPND (Self Powered Neutron Detectors) irradiation in support of ITER experiences
M. Angelone, A. Klix; Self Powered Neutron Detectors; Final report on Task 3.1.1 - F4E-2010-GRT-056-02 (ES-AC) on Nuclear Data Studies/Experiments in Support of TBM Activities
Piezoceramic motor irradiation in support of ITER experiences
M. Pillon et al.; Study of the response of a piezoceramic motor irradiated in a fast reactor up to a neutron fluence of 2.77E+17 n/cm2; 28th Symposium on Fusion Technology (SOFT 2014) , San Sebastián, Spain, 29th September 3rd October 2014
Experiences in support of LHC-CERN & ITER
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 24
Propagation experiences→ Correlation analysis TAPIRO ↔ Reference
F. Pisacane, A. Santagata, M. Carta, L. Ricci, A. Gandini, M. Sepielli; Fast Research Reactor for Generation IV Technologies; IAEA International Conference on Fast Reactors and Related Fuel Cycles: Safe Technologies and Sustainable Scenarios (FR13), Paris, France, 4-7 March 2013
MCNP model ERANOS model
LEAD
What can be done in the future (support to GEN IV systems)
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 25
Irradiation and propagation experiences → Nuclear data
Consistent Data Assimilation methodology(*)
Linking the integral data experiment results to basic nuclear parameters employed by evaluators to generate ENDF/B point energy files in order to improve them.
(*) G. Palmiotti, M. Salvatores, H. Hiruta, M. Herman, P. Oblozinsky, M. T. Pigni; USE OF COVARIANCE MATRICES IN A CONSISTENT (MULTISCALE) DATA ASSIMILATION FOR IMPROVEMENT OF BASIC NUCLEAR PARAMETERS IN NUCLEAR REACTOR APPLICATIONS: FROM METERS TO FEMTOMETERS; International Conference on Nuclear Data for Science and Technology 2010
• Sensitivity coefficients (adjoint technique) of integral reactor parameters to the cross section variations (ERANOS code).
• Sensitivity of cross sections to the perturbation of the reaction model parameters (EMPIRE code).
What can be done in the future (support to GEN IV systems)
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 26
Images “about” TAPIRO
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 27
A strong team!
Orlando Carlos
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 28
Final comments
TRIGA RC-1 and TAPIRO are, until today, significant resources in the context of scientific and applied research in Italy, and they are a necessary infrastructure to support research institutions and Universities.
TRIGA RC-1 is involved in various applied research fields like irradiation studies in neutron thermal field, Neutron Activation Analysis, radioisotopes production studies (participation to a call in H2020), Education & Training.
TAPIRO is a “qualitative” (not “quantitative” as in the current fashion) powerful tool to investigate in a well characterized neutron field (a so called standard field) the properties of the matter under neutron irradiation.
In the context of international collaborations (in particular IAEA sponsored collaborations), both TRIGA RC-1 and TAPIRO reactors are involved in different working groups devoted to utilization, operation and maintenance of research reactors.
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 29 Bariloche, 14 November 2014
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IGORR IAEA 2014 Technical Meeting Bariloche, November 17-21, 2014 30
Thank you for your attention!