Joyo User's Guide
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Schematic Flow Diagram of Use for Irradiation (An Example of Material Irradiation)
Outline of Joyo
Performance of the Joyo MK-III Core
Typical Core Configuration
Radial Distribution of Fast Neutron Flux in the Core
Neutron Spectra at Various Positions in Joyo
Example of Fast Neutron Flux and Temperature Distributions (at the Core Center)
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Example of Fast Neutron Flux and Temperature Distributions (at the Core Center)
　The figure below shows an example of calculated results for axial distributions of fast neutron flux at the core center, as well as of temperatures of coolant and sample inside the irradiation rig in the case of material irradiation. The actual irradiation condition must be specifically determined according to the operation cycle, location in the core, design of irradiation rig, etc.
　The actual record of the maximum temperature in material irradiation at Joyo is approximately 750°C.
Example of Fast Neutron Flux and Temperature Distributions (at the Core Center)
 
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