Research Reactor Details - RA-4 (EX. SUR-100)

Country Argentina (Argentine Republic)
Facility Name RA-4 (EX. SUR-100)
Facility Number AR-0005
Last Updated 2009/06/19

General Data
Licensing  ARN, Autoridad Regulatoria Nuclear
Construction Date  1971/01/01
Criticality Date  1972/01/01
Safeguards  IAEA
Initial Cost
Total Staff 5
No of Operators 4

Technical Data
Reactor Type HOMOG (S)
Thermal Power, Steady (kW) 0.00
Max Flux SS, Thermal (n/cm2-s) 6.0E7
Max Flux SS, Fast (n/cm2-s)
Thermal Power, Pulsed (MW) 0.00
Max Flux Pulsed, Thermal (n/cm2-s)
Max Flux Pulsed, Fast (n/cm2-s)
Coolant NONE
Natural Convection Cooling
Forced Cooling
Coolant Velocity in Core
Reflector GRAPHITE
Reflector Number of Sides 6
Control Rods Material CD
Control Rods number 2

Experimental Facilities
Horizontal Channels 3
Horizontal Max Flux (n/cm2-s) 5,3E7
Horizontal Use Experiments, control
Vertical Channels 3
Vertical Max Flux (n/cm2-s) 4,7E6
Vertical Use
Core Irradiation Facilities 2
Core Max Flux (n/cm2-s)
Reflector Irradiation Facilities 4
Loops Number
Loops Max Flux
Loops use

Fuel data
Origin of Fissile Material USA
Enrichment Supplier USA
Equilibrium Core Size
Plates per Element
Dimensions of Plates
Rods per Element
Dimensions of Rods, mm
Tubes per Element
Dimensions of Tubes, mm
Cladding Material
Cladding Thickness, mm
Fuel Material
Fuel Thickness, mm
Uranium Density, g/cm3
Burnup on Discharge, max %
Burnup Average, %
Last Shipment Year
Last Receipt Year
Fuel Fabricator NUKEM, GERMANY

Hours per Day  2
Days per Week  2
Weeks per Year  20
MW Days per Year  0
Materials/fuel test experiments  NO
Isotope Production  NO
Neutron Scattering  NO
Neutron Radiography  NO
Neutron capture therapy  NO
Activation Analysis  NO
Transmutation  NO  
Geochronology  NO
Teaching  Number of students: 50
Training  Number of operators/experimenters trained: 3
Other Uses  NO

Operating Experience
Reactor Thermal Power Date of Operational for
Category Type kW Criticality Construction Years Months
 TRAINING  HOMOG (S)  0.00  1972/01/01  1971/01/01  37  5