State Scientific Center –Research Institute of Atomic · PDF fileSМ-3, BOR-60,...
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State Scientific Center – Research Institute of Atomic Reactors
Capabilities and Capacities of RIAR Research Reactors
N. ArkhangelskyState Corporation"ROSATOM“, Ul. Bolshaya Ordinka 24, 119017 Moscow,
Russian Federation
A. IzhutovRIAR, Dimitrovgrad-10, Ulyanovsk region, 433510 Dimitrovgrad
Russian Federation
IAEA, Vienna, 10-12 June 2013
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Introduction
State Scientific Center–Research Institute of Atomic Reactors(RIAR) comprises:
• Research reactors complex:
SМ-3, BOR-60, МIR.М1, RBT-6, RBT-10/2;
• Europe’s largest complex for PIE of nuclear reactor coreelements, irradiated materials and nuclear fuel;
• Facilities and technologies for R&D nuclear fuel cycle area;
• Radiochemical complex for research and productiontransuranium elements, radionuclide's of high specificactivity and sources;
• Radioactive waste treatment complex.2
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1. The SM-3 reactor
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SM-3 - high-flux reactor
operates since 1961
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1.1 General information and technical data of the SM-3
Specification Value
Reactor typeVessel-type water-cooled with
a trap
Power, МW 100
Max neutron flux, s-1⋅сm-2 5·1015
Power operation days per year,
days230-240
Fuel UO2 90% enriched in U-235
Core arrangement Square with a central trap
Core dimensions, mm 420 ×420 ×350
Planned life-time More than 2020
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1.1 General information and technical data of the SM-3
Cells for irradiation
up to 81
trap Up to 27 cells fortargets Ø 12mm
core up to 6 FAs with 4 cellsfor targets Ø12mm, up
to 4 FAs with 1 cell fortargets Ø24.5mm
reflector 30 cells for channels and devices Ø68mm,
including 20 cells for instrumented devices.
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Irradiation capabilities of the SM-3
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1.1 General information and technical data of the SM-3
Number of cells for irradiation, including: Up to 81
• trapblock option: 27 cells Ø(12 – 25) mm;
channel option: channel Ø50 mm + 18 cells
• coreUp to 6 and up to 4 FAs with 1 cell for
targets Ø24.5mm
• reflector30 (of which 20 cells can be instrumented
or supply by separately coolant)
Irradiation positions:
Neutron flux, s-1·cm-2
≤ 0,67 eV 0,67÷100 eV ≥ 0,1 MeV
• trap 1,3⋅1015 1,7⋅ 1014 1,4⋅1015
• core 1,3⋅1014 9,3⋅1013 2,0⋅1015
• reflector ≤ 1,35⋅1015 – ≤ 3,3⋅1014
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1.2 General data of testing facilities of the SM-3
Characteristics VP-1 VP-3
Maximal operating pressure,
MPa5.0 18.5
Coolant temperature, °С 90 300
Flow rate, m3/h 30 5÷8
Thermal power 500 90
Coolant water water
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Loop facilities for testing fuel, control rods, structural materials
of the water cooled reactors
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1.2 General data of testing facilities of the SM-3
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Design of Irradiation rig Medium
Testing parameters
φ, (Е>0.1 MeV)
cm-2s-1
φ, cm-2s-1 K, dpa/h Kt, dpa/year
Loop rig in the reflector
Water (300°C,
18.5 MPa)1013–4·1014 2·1013 –4·1014 3·10-5 –1,2·10-3 0,15–6,0
Loop rig in the core
Water (300°C,
18.5 MPa)1,5·1015 2·1014 ≤3·10-3 15–18
Ampoule rig in the
reflector
Boiling water
(up to 320°C),
supercritical
water, gas (He,
Ne, N2) - 400-
1150°C)
5·1012 – 4·1014 2·1013 –4·1014 1·10-5 –1,2·10-3 0,1–6,0
Ampoule rig in the core
Boiling water
(up to 320°C),
supercritical
water, gas(400-
1150°C)
(1,5–2)·1015 (2–3)·1015 ≤4·10-3 16–22
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1.2 General data of testing facilities of the SM-3
In-pile testing facilities:
� Long-term strength and creep tests of steels and alloys under
longitudinal tension (facility “Neutron-8”) and internal gas
pressure test at 550÷800оС;
� In-pile investigation of relaxation resistance of structural
materials ;
� In-pile investigation of creep of nuclear fuel at temperatures
700÷1100°C, including pre-irradiated fuel samples to investigate
the burn up effect on the creep characteristics;
� In-pile tests of the core material for NPP and advanced
nuclear facilities at high damage rate of up to 25 dpa/year in the
wide range of temperatures and different environment.
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1.2 General data of testing facilities of the SM-3
Irradiation devices for testing different types samples up to 7-17dpa in
the near-core reflector cells and in the core cells:
� Tests in a high-temperature loop facility VP-3 in the near-core
reflector cells at 250-300°C and 16MPa up to 10dpa. The experimental
volume taken by the samples is Ø40mm and 350mm in height. The
neutron flux (Е≥0.1MeV) makes up (3-4)*1014n/cm2*s. The temperature
non-uniformity in the experimental volume is 10-20°C.
� Tests in the boiling water channels in the near-core reflector cell at
water temperature 160-300°C and 10MPa up to 10dpa. Samples should
be located in stainless steel containers to prevent corrosion. The
experimental volume taken by the samples is Ø60mm and 350mm in
height. The neutron flux (Е≥0.1MeV) makes up (3-4)*1014n/cm2*s. The
temperature non-uniformity in the experimental volume is 5-10°C.
� Tests in the core cells up to 15-17dpa at ≥ 600°С. The experimental
volume taken by the samples is Ø20mm and 350mm in height. The
neutron flux (Е≥0.1MeV) makes up (1.5-2.0)*1014n/cm2*s. The
temperature non-uniformity in the experimental volume is 100-150°C.
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1.2 General data of testing facilities of the SM-3
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Radionuclides accumulation devices:A wide range of neutron flux density change and its spectral characteristicsmake it possible to search and implement optimal schemes of radionuclidesaccumulation:
• the multi-stage accumulation of Cm and Cf-252 heavy isotopes isperformed in the neutron trap cells and two reflector cells closest to thecore;
• high specific activity Ni-63, Sn-113, Sn-119m, Fe-55, Fe-59, Cr-51, Se-75,Ir-192 etc.;
• the hard neutron spectrum demanding P-32, P-33; Gd-153 and Sn-117m;• large-scale accumulation of such radionuclides as Co-60 and Ir-192. The
annual output achieves 300 kCi ofCo-60 and 400 kCi of Ir-192.
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2. The BOR-60 reactor
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BOR-60 – sodium fast experimentalreactor was put into operation in
1969.
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2.1 General information and technical data of the BOR-60
Characteristics Value
Thermal capacity, MW до 60
Max neutron flux density, сm-2·s-1 3.7·1015
Sodium velocity in the core, m/s up to 8
Coolant temperature, ºС:
inlet / outlet up to 360 / 515
FuelUO2
or UO2-PuO2
Planned life-time 2020
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Loading cartogram of the BOR-60 reactor
1 - FA, 2 - reflector assemblies, 3 - vertical channels, 4 - control rod, 5 - instrumented cell (D23).
Reactor Load Capacity
Cells quantity
- for FA
- for absorbing rods
- instrumented cells
265
156
7
1
Max quantity of non-
fuel cells in the core
~(15-
22)
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2.1 General information and technical data of the BOR-60
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0
5
10
15
20
0.0 4.5 9.0 13.5 18.0 22.5 27.0 31.5 36.0 40.5
R, cm
DPA
, dpa/
yea
r
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2.1 General information and technical data of the BOR-60
Radial distribution of the damage dose
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The experimental volume:hexagonal cross-section of irradiation device,
flat to flat size is 44 mm, the core height 450 mm
2.2 General data of testing facilities of the BOR-60
Schematic view of irradiation device
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2.2 General data of testing facilities of the BOR-60
Types of irradiation rigs (IR) Temperature,°°°°С
Heater
IR with sodium medium :•without heater•with metallic heater•with fuel heater•based on driver fuel design•with convection
320-360450-500500-700
up to 700450-600
self-heating,
W,UO2
IR:•with liquid metal medium (Pb, Pb-Bi)
•Gas medium (He, Ne)
350-650350-650
W,UO2,self-
heating
650-900350-1200
W,self-
heating
1717
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--------Air+Ar---------
----------Na------------
----------He------------
-Capsule of testing
sampels--------
-----------Na-----------
The view of instrumented irradiation device for the cell D23
2.2 General data of testing facilities of the BOR-60
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The irradiation
conditions
The test
temperature and it
non-uniformity, oC
The doze rate
dpa/year
1 (350-450) ± 10 7-15
2 (450-650) ± 25 7-15
3 (650-800) ± 35 7-15
4(800-1100) ± 100
7-15
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2.2 General data of testing facilities of the BOR-60
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3. The MIR.M1 reactor
The MIR.M1 reactor designed for tests of fuel of different types in the loop test facilities,
in operation since 1967.
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3.1 General information and technical data of the MIR.M1
Characteristics Value
Nominal thermal power, MW 100
Max thermal neutron flux density
in the loop channel, s-1⋅cm-2 5·1014
Power operation days per year ~ 240
Fuel UO2 90% enriched in U-235
Core height, mm 1000
No. of loop facilities 8
No. of loop channels. 11
Life-time More than 2020
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3.1 General information and technical data of the MIR.M1
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The MIR reactor is mainly
designed for testing of
different nuclear power
reactor fuel under normal
(steady-state) operating
conditions as well as
transient and emergency
ones in a certain project.
– operating FA channel
– experimental channel
– combined operating
FA with absorber
– control rod channel
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3.1 General information and technical data of the MIR.M1
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Currently 8 loop facilities are
available in the MIR reactor. Each
of these facilities is connected
with 1-2 loop channels (the
maximum diameter - up to 148
mm). The channels are used for
setting up experimental devices
with experimental fuel.
Loop facilities equipment andsystems:Circulation circuit (pumps, heatexchangers, pressurizers, etc);Fuel cladding integrity control;Water condition, feeding andsampling;Emegency cooling;Measuring and registration .
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3.2 General data of testing facilities of the MIR.M1
Loop facilities PV-1 PV-2 PVK-1 PVK-2 PVP-1 PVP-2 PM-4 PG-1
Max capacity, kW 2000 3000 2000 3000 500 2000 500 160
Coolant WaterWater, boiling
water
Water-superheated
steam
Lead-bismuth
N2, He
Number of channels
2 2 2 2 1 1 1 1
Flow rate, t/h 16.0 14.0 16.0 14.0 0.7 10.0 8.0 0.7
Pressure, МPа ≤ 17 ≤ 18 ≤ 7 ≤ 20 ≤ 1,5 ≤ 20
Temperature: inlet/outlet, ° С
≤ 300/350 325/350 300/500 550 550
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3.2 General data of testing facilities of the MIR.M1
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Current test programmes:1. The tests for improving and upgrading the Russian PWR (WWER)fuel:
� long term tests of short-size rods with different modifications ofcladding and fuel pellets;
� reirradiation of NPP refabricated and full-size fuel rods up toachieving 80 MW·d/kg U;
� continuation of the RAMP type experiments at high burn-up offuel;
� experiments with leaking fuel rods at different burn-up andunder transient conditions;
� in-pile tests with simulation of LOCA and RIA type accidents.
2. Testing of the LEU research reactor fuel within the framework ofthe RERTR programme:
� irradiation of mini fuel elements;� Irradiation of full-size fuel assemblies.
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3.2 General data of testing facilities of the MIR.M1
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Types of irradiation devices for testing of the PWR fuel:
a) for testing of fuel under normal (steady-state) operating conditions:
� dismountable devices for testing short-size (≤ 250 mm) fuel rods,
up to 4 such rigs can be installed one over another in one loop
channel;
� dismountable and instrumented device for testing fuel rods
~1000 mm, containing up to 19 fuel rods;
� device for combined irradiation of refabricated (≤ 1000 mm) and
full-size fuel rods (≤ 3500 mm) of spent NPP fuel.
b) for testing under transient and emergency design based conditions:
� dismountable devices for power cycling and RAMP experiments of
instrumented fuel rods by displacement or rotation of the
absorbing screens in the experimental channel;
� instrumented device for testing under LOCA and RIA conditions.
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3.2 General data of testing facilities of the MIR.M1
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Types of irradiation devices for sort size (dummy) fresh and
refabricated fuel rods