Joyo User's Guide
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Shared Use of Facilities Including Joyo
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Application Form for Use of Joyo and the PIE Facilities
Schematic Flow Diagram of Use for Irradiation (An Example of Material Irradiation)
Outline of Joyo
Performance of the Joyo MK-IV Core
Typical Core Configuration
Radial Distribution of Fast Neutron Flux in the Core
Neutron Spectra at Various Positions in Joyo
Example of Axial Temperature Distribution (at 6th row)
Irradiation Rigs
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Radial Distribution of Fast Neutron Flux in the Core
 
Radial Distribution of Fast Neutron Flux in the Core
 

■ Neutron Flux in the Joyo MK-IV Core

 
Row installed Maximum fast
neutron flux*)
×1019
(m-2・s-1)		 Fast neutron
fluence per 1
operation cycle*)
×1026(m-2)		 Maximum
total
neutron flux
×1019
(m-2・s-1)		 Total neutron
fluence per 1
operation
cycle
×1026(m-2)
0
2.9
1.5
4.2
2.2
1st
2.9
1.5
4.2
2.2
2nd
2.8
1.5
4.0
2.1
3rd
2.7
1.4
3.8
2.0
4th
2.4
1.3
3.4
1.8
5th
2.0
1.0
2.8
1.5
6th
1.3
0.7
2.1
1.1
*）E>0.1MeV
［60 effective full power day / cycle operation］
 
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