core draining neutronics fluid dynamics and heat transfer
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Core draining: neutronics, fluid dynamics, and heat transfer Main - PowerPoint PPT Presentation

Feb 11, 2023 •168 likes •654 views

manuele.aufiero@milanomultiphysics.com ThorCon review meeting July 24-26 Hood River, OR Core draining: neutronics, fluid dynamics, and heat transfer Main goals of this specific study 1. Quantify the time required to complete the drain 2.

  1. manuele.aufiero@milanomultiphysics.com ThorCon review meeting July 24-26 Hood River, OR Core draining: neutronics, fluid dynamics, and heat transfer

  2. Main goals of this specific study 1. Quantify the time required to complete the drain 2. Assess the reactvity loss curve during draining 3. Evaluate the temperature evolution in the drain tanks, while decay heat is dissipated Draining modeling and simulation ThorCon review meeting

  3. Draining simulation 1. Quantify the time required to complete the drain 2. Assess the reactvity loss curve during draining 3. Evaluate the temperature evolution in the drain tanks, while decay heat is dissipated ➔ Analytical estimates via pressure drop correlations Draining modeling and simulation ThorCon review meeting

  4. Draining simulation 1. Quantify the time required to complete the drain 2. Assess the reactvity loss curve during draining 3. Evaluate the temperature evolution in the drain tanks, while decay heat is dissipated ➔ Analytical estimates via pressure drop correlations Draining modeling and simulation ThorCon review meeting

  5. Draining simulation 1. Quantify the time required to complete the drain 2. Assess the reactvity loss curve during draining 3. Evaluate the temperature evolution in the drain tanks, while decay heat is dissipated ➔ Analytical estimates via pressure drop correlations ➔ Numerical calculations via CFD-corrected correl. ➔ Full Computational Fluid Dynamics simulation Draining modeling and simulation ThorCon review meeting

  6. Draining simulation Draining modeling and simulation ThorCon review meeting

  7. Draining simulation Draining modeling and simulation ThorCon review meeting

  8. Draining simulation Draining modeling and simulation ThorCon review meeting

  9. Draining simulation Equivalent-area CFD simulation (VoF in OpenFOAM) Draining modeling and simulation ThorCon review meeting

  10. Draining simulation Equivalent-area CFD simulation (VoF in OpenFOAM) Draining modeling and simulation ThorCon review meeting

  11. Draining simulation Equivalent-area CFD simulation (VoF in OpenFOAM) Draining modeling and simulation ThorCon review meeting

  12. Draining simulation Equivalent-area CFD simulation (VoF in OpenFOAM) Draining modeling and simulation ThorCon review meeting

  13. Draining simulation Equivalent-area CFD simulation (VoF in OpenFOAM) Draining modeling and simulation ThorCon review meeting

  14. Draining simulation Equivalent-area CFD simulation (VoF in OpenFOAM) Draining modeling and simulation ThorCon review meeting

  15. Draining simulation Equivalent-area CFD simulation (VoF in OpenFOAM) Draining modeling and simulation ThorCon review meeting

  16. Draining simulation - CFD simulation Draining modeling and simulation ThorCon review meeting

  17. Draining simulation - CFD simulation Draining modeling and simulation ThorCon review meeting

  18. Draining simulation - pressure drop Pressure drop decomposition Draining modeling and simulation ThorCon review meeting

  19. Draining simulation Draining modeling and simulation ThorCon review meeting

  20. Draining simulation - results - flow rate Salt drain completes in 10-12 minutes after opening of the freeze valves Draining modeling and simulation ThorCon review meeting

  21. Draining simulation - results - salt volume Salt drain completes in 10-12 minutes after opening of the freeze valves Draining modeling and simulation ThorCon review meeting

  22. Main goals and tools of the study 1. Quantify the time required to complete the drain 2. Assess the reactvity loss curve during draining 3. Evaluate the temperature evolution in the drain tanks, while decay heat is dissipated ➔ Monte Carlo neutron transport simulations Draining modeling and simulation ThorCon review meeting

  23. Reactivity evolution Draining modeling and simulation ThorCon review meeting

  24. Reactivity evolution - rho vs fuel height Draining modeling and simulation ThorCon review meeting

  25. Reactivity evolution - rho vs time Draining modeling and simulation ThorCon review meeting

  26. Reactivity evolution - residual fiss. Pow. profile Draining modeling and simulation ThorCon review meeting

  27. Reactivity evolution - residual fiss. Pow. profile Draining modeling and simulation ThorCon review meeting

  28. Reactivity evolution - residual fiss. Pow. profile Draining modeling and simulation ThorCon review meeting

  29. Drain tank heat transfer study 1. Quantify the time required to complete the drain 2. Assess the reactvity loss curve during draining 3. Evaluate the temperature evolution in the drain tanks, while decay heat is dissipated ➔ Analytical estimates via view factor approach Draining modeling and simulation ThorCon review meeting

  30. Drain tank heat transfer study 1. Quantify the time required to complete the drain 2. Assess the reactvity loss curve during draining 3. Evaluate the temperature evolution in the drain tanks, while decay heat is dissipated ➔ Analytical estimates via view factor approach Draining modeling and simulation ThorCon review meeting

  31. Drain tank heat transfer study 1. Quantify the time required to complete the drain 2. Assess the reactvity loss curve during draining 3. Evaluate the temperature evolution in the drain tanks, while decay heat is dissipated ➔ Analytical estimates via view factor approach Draining modeling and simulation ThorCon review meeting

  32. Drain tank heat transfer study 1. Quantify the time required to complete the drain 2. Assess the reactvity loss curve during draining 3. Evaluate the temperature evolution in the drain tanks, while decay heat is dissipated ➔ Analytical estimates via view factor approach ➔ Full CFD simulation w/ radiative heat transfer Draining modeling and simulation ThorCon review meeting

  33. Geometry Simplified drain tank geometry for CFD study Draining modeling and simulation ThorCon review meeting

  34. Geometry Simplified drain tank geometry for CFD study Draining modeling and simulation ThorCon review meeting

  35. Geometry Simplified drain tank geometry for CFD study Draining modeling and simulation ThorCon review meeting

  36. CFD - Radiative heat transfer + natural circul. Draining modeling and simulation ThorCon review meeting

  37. CFD - Radiative heat transfer + natural circul. Draining modeling and simulation ThorCon review meeting

  38. CFD - Radiative heat transfer + natural circul. Draining modeling and simulation ThorCon review meeting

  39. CFD - Radiative heat transfer + natural circul. Draining modeling and simulation ThorCon review meeting

  40. CFD - Radiative heat transfer + natural circul. Draining modeling and simulation ThorCon review meeting

  41. CFD - Radiative heat transfer + natural circul. Draining modeling and simulation ThorCon review meeting

  42. CFD - Radiative heat transfer + natural circul. Draining modeling and simulation ThorCon review meeting

  43. CFD - Radiative heat transfer + natural circul. Draining modeling and simulation ThorCon review meeting

  44. CFD + analytical study - Results Draining modeling and simulation ThorCon review meeting

  45. CFD + analytical study - Results Draining modeling and simulation ThorCon review meeting

  46. CFD + analytical study - Results Draining modeling and simulation ThorCon review meeting

  47. CFD + analytical study - Results Draining modeling and simulation ThorCon review meeting

  48. CFD + analytical study - Results Draining modeling and simulation ThorCon review meeting

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