博士论文答辩ppt5【荐】.ppt

博士学位论文答辩 Study on Conceptual Design of Tritium Production Reactor based on ST HE Kaihui HUANG Jinhua Division 105 of Southwestern Institute of Physics, Chengdu, P. R. China * Contents Comparison of tritium production Neutronics design of ST-TPR Preliminary overall design of ST-TPR Conclusion and future work Comparison of Tritium Production Comparison of tritium production facilities Tritium Production Approaches 1. Nuclear reaction in nature; 2. Nuclear explosion; 3. Fission reactor: Heavy-water reactor; Light-water reactor; 4. Accelerator production tritium; 5. Breeding zone in fusion reactor. Advantages of APT l??????No fissile materials l????????No spent nuclear fuel produced l??????? Produces very little low-level and no high-level radioactive waste per year l????????No chance of a criticality accident l????????Minimal environmental effects l????????No nuclear proliferation issues l?? ???? Engineering simplicity provides inherent safety advantages l????????Constant extraction of tritium l????????Immediate shutdown l????????Easily scaled to stockpile needs Advantages of fusion-based tritium production As an intermediate application of fusion energy, fusion-based neutron source (NS) is highly recommended to develop, so as to contribute to fusion science and technology development. Compared with Accelerator-based NS, a localized source, fusion-based NS is volumetric source with a large surface area available for locating tritium production assemblies in high neutron flux, and has much greater high-neutron-flux irradiation volume. Another sequence is that the max. neutron radiation damage rate to the FW material will be much less for a distributed fusion source. Development of the vast majority of the physics and technology needed for a fusion NS has been carried forward as an international collaboration in support of ITER, whereas the accelerator development would require a substantial addition RD program sole for tritium production Expe