Transcript No Slide Title

Irradiation facilities at SCK•CEN
Nuclear Belgian Research Center
Boeretang, 200
2400 Mol
Belgium
Copyright © 2009
SCK•CEN
Benoît Brichard
Instrumentation Department
Tel: +32 14 33 34 45
Secr: +32 14 33 34 40
Fax: +32 14 32 13 36
[email protected]
www.sckcen.be
Ooms Hans
Instrumentation Department
Tel: +32 14 33 26 57
Secr: +32 14 33 26 07
Fax: +32 14 31 19 93
[email protected]
www.sckcen.be
Quick overview
Neutron Facilities
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
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
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The irradiation facilities of SCKCEN cover a wide
range of radiation processing and nuclear
applications
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Low Gamma Dose Rate
Irradiation Facilities
GEUSE II
RITA
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RITA
Dose Rate
0.5 => 1.5 kGy/h
Relative Intensity
60Co



Large irradiation volume
with moderate dose-rate
Under water facility
- spectrum
380 mm
 Energy (MeV)
600 mm
Temperature up to 150 °C
Inert gas or air
On-line instrumentation facilities
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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
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GEUSE II
Large irradiation volume
with moderate dose-rate
Dose Rate
10 => 500 Gy/h
Relative Intensity
137Cs



- spectrum
Under water view
900 mm
 Energy (MeV)
380 mm
Temperature up to 200 °C
Inert gas or air
On-line instrumentation facilities
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VSM
Vacuum System Module for
RITA and GEUSE II
•Design for polymer irradiation
Pressure (mbar)
600 mm
•Active low-vacuum
10-6 mbar
200 mm
Time (h)
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High Gamma Dose Rate
Irradiation Facilities
CMF A1
CMF A2
A2
A1
B
BRIGITTE
C3
KIRSTEN
The four irradiation positions are located
in the BR2 containment building
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Large irradiation volume
at high dose-rate
BRIGITTE
Side view
Dose Rate
0.5 => 25 kGy/h



- spectrum
B
 Energy (MeV)
900 mm
Relative Intensity
60Co
Container open
220 mm
Temperature up to 200 °C
Inert gas or air
On-line instrumentation facilities
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Polymer irradiation Testing in Brigitte
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CMF-A1
CMF-A2
Medium irradiation volume
at high dose-rate
Dose Rate
0.5 => 20 kGy/h
60Co
- spectrum


A2
900 mm
Relative Intensity
A1

Open Capsule
with heater
Capsule
 Energy (MeV)
80 mm
Temperature up to 200 °C
Inert gas or air
On-line instrumentation facilities
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KIRSTEN
Small irradiation volume
at high dose-rate
Dose Rate
80 kGy/h
(57 MGy/Month)



- spectrum
C3
 Energy (MeV)
No control of environmental parameters
Uniform dose rate over 100 mm
Only temperature monitoring
200 mm
Relative Intensity
60Co
35 mm
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Climate Chamber
for ageing tests
CLARA
• Available Volume
2 m3
•Temperature control
-36 to 180 °C
•Humidity control
10 to 98 %
• Convenient Facility for posirradiation temperature testing
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CAL
Bunker Inside View
Low dose-rate irradiation
facility
Output Source View
• Room temperature control at 21°C
• Max Dose Rate: 1 Gy/h
• Atmosphere and humidity control
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Material Testing Reactor – BR2
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BR2: Material Testing Reactor – 56 MW
Neutronic Performances in n/cm2s and Gamma Heating W/g[Al]
Thermal Flux
Fast Flux
(En > 0.1 MeV)
Gamma
Heating
Core
200 mm
2.8x1014
7x1014
< 50 mm
7x1014
7x1014
10-15 W/g
Reflector
200 mm
2.4x1014
7x1013
84 mm
2.8x1014
1.4x1014
50 mm
1x1014
SIDONIE
Moving Irradiation Rig
6x1013
1-4 W/g
7x1012
5 x 1013
~ 3 W/g
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BR1:
Gas Cooled reactor – 700 kW to 1MW
Standard value at 700 kW
BR1, operated on day by day basis
• 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
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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Copyright notice
Copyright © 2009 - SCKCEN
All property rights and copyright are reserved.
Any communication or reproduction of this document, and any
communication or use of its content without explicit authorization is
prohibited. Any infringement to this rule is illegal and entitles to claim
damages from the infringer, without prejudice to any other right in case
of granting a patent or registration in the field of intellectual property.
SCK•CEN
Studiecentrum voor Kernenergie
Centre d'Etude de l'Energie Nucléaire
Stichting van Openbaar Nut
Fondation d'Utilité Publique
Foundation of Public Utility
Registered Office: Avenue Herrmann-Debrouxlaan 40 – BE-1160 BRUSSEL
Operational Office: Boeretang 200 – BE-2400 MOL