1 / 30

Chain Reaction Multiplication Criticality Conditions

Chain Reaction Multiplication Criticality Conditions. Overview. Chain Reaction Conversion and Breeding Doubling Time Neutron Cycle in a Thermal Reactor Multiplication Factor k Simplified Fuel Cycle Fuel at Discharge. Chain Reaction. n. ν. β. γ. ν. γ. β. Uranium Fuel.

cooper-jarvis
Download Presentation

Chain Reaction Multiplication Criticality Conditions

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Chain ReactionMultiplicationCriticality Conditions T8: Chain Reaction

  2. Overview • Chain Reaction • Conversion and Breeding • Doubling Time • Neutron Cycle in a Thermal Reactor • Multiplication Factor k • Simplified Fuel Cycle • Fuel at Discharge T8: Chain Reaction

  3. Chain Reaction n ν β γ ν γ β T8: Chain Reaction

  4. Uranium Fuel T8: Chain Reaction

  5. Conversion or Breeding T8: Chain Reaction

  6. Conversion T8: Chain Reaction

  7. Conversion T8: Chain Reaction

  8. Neutron Cycle in Reactor Leakage E N2 2 MeV N1 Fast fission Slowing down n n/fission Energy Resonance abs. ν ≈ 2.5 Non-fissile abs. Non-fuel abs. 1 eV Fission 200 MeV/fission Leakage T8: Chain Reaction

  9. Fast Fission T8: Chain Reaction

  10. Simple Criticality Calculations T8: Chain Reaction

  11. Fuel Cycle (Thermal) Fissile Materials Fuel Factory Thermal Reactor Actinides (MA) Fiss. Pr. (FP) DU Spent Fuel T8: Chain Reaction

  12. Fuel Cycle (Fast) Spent Fuel Fuel Factory Fast Reactor FP+MA Spent Fuel DU T8: Chain Reaction

  13. Neutron Economy T8: Chain Reaction

  14. Breeding Factor B neutrons captured in fertile 1 neutron absorbed in fuel η neutrons produced 1 neutron to maintain chain reaction Non-fuel capture and losses C+L T8: Chain Reaction

  15. ηFactor T8: Chain Reaction

  16. Fission Neutrons 239Pu 235U 233U E = 1 T8: Chain Reaction

  17. Conversion Factor If B < 1 it is called conversion factor, C. Number of 239Pu created per 1 neutron absorbed T8: Chain Reaction

  18. Neutron Cycle in Reactor Leakage E N2 2 MeV N1 Fast fission Slowing down n n/fission Energy Resonance abs. ν ≈ 2.5 Non-fissile abs. Non-fuel abs. 1 eV Fission 200 MeV/fission Leakage T8: Chain Reaction

  19. Chain Reaction in Unat? T8: Chain Reaction

  20. Doubling Time Td for a breeder reactor is the amount of time required for the original fissile loading to double T8: Chain Reaction

  21. Doubling Time for FR T8: Chain Reaction

  22. Multiplication Factor T8: Chain Reaction

  23. Chain Reaction by Fast N. 235U T8: Chain Reaction

  24. Time to Fission 1 kg 235U T8: Chain Reaction

  25. Energy Comparison T8: Chain Reaction

  26. Distribution of FP Mass T8: Chain Reaction

  27. T8: Chain Reaction

  28. Long-Lived Radio Isotopes T8: Chain Reaction

  29. Half-Lives of L.L. Isotopes T8: Chain Reaction

  30. The END T8: Chain Reaction

More Related