6. EXPERIMENTAL NEUTRON SOURCE FACILITY OF KHARKOV INSTITUTE OF PHYSICS AND TECHNOLOGY 5INSTITUTE OF PHYSICS AND TECHNOLOGY5
6.2. NEUTRON SOURCE FACILITY DESIGN
Subcritical assembly facility design utilizes developed techniques and standard practices to facilitate optimum operation and maintenance to increase facility utilization. The facility consists of the target assembly, the subcritical assembly, the biological shield, and the auxiliary supporting systems. Figure 6.9 shows a quarter cut isometric view of the subcritical assembly design where the main components are viewed, including the target assembly, the fuel assemblies, the beryllium reflector assemblies, the carbon ring reflector, the fuel machine arm, the storage racks, and the support grid. The loading and unloading of the fuel assemblies, beryllium reflector assemblies, and irradiation cassettes are performed without opening the biological shield. Replacing the target assembly requires opening the top shield sections without removing the top cover of the subcritical assembly.
173 FIG. 6.9. Quarter cut isometric view of the subcritical assembly design. (Courtesy of the Argonne National Laboratory, USA)
The overview of the neutron source facility is shown in Fig. 6.10. It includes the accelerator building, the subcritical assembly hall, the attached laboratory building, the secondary coolant towers, and the electrical power station for operating the facility. Medical isotopes and material testing glove boxes, water distillation facility, backup diesel generator units, temporary spent fuel and used target storage pool, and temporary liquid radioactive waste storage are includes in the design. The facility is currently under construction.
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FIG. 6.10. Isometric view of KIPT accelerator driven system facility. (Courtesy of the National Science Centre Kharkov Institute of Science and Technology, Ukraine)
6.3. CONCLUSIONS
The design of the KIPT accelerator-driven subcritical assembly facility has been successfully developed, using a 100 kW–100 MeV electron accelerator, through a collaborative activity between ANL and KIPT [6.22]:
“The facility is designed based on the low enriched uranium fuel design of the Kiev research reactor. The developed design satisfies the facility objectives, and it has flexibility for future upgrades and new functions. It has excellent capabilities for producing medical isotopes, performing basic research using its radial neutron beams, performing physics studies, and training young nuclear scientists.”
Acknowledgments
Argonne National Laboratory's work was supported by the U.S. Department of Energy, Office of Global Nuclear Material Threat Reduction (NA213), and National Nuclear Security Administration of U. S. Department of Energy.
175 REFERENCES TO SECTION 6
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