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Three Mile Island, TMI - 2

Three Mile Island, TMI - 2. TMI-2 normal operation. No true position indication of the valve. No temperature measurement upstream and downstream the valve. Erroneous level indication in the pressuriser. No water level measurement in the reactor vessel. TMI2 + 1 ½ h.

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Three Mile Island, TMI - 2

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  1. Frigyes.Reisch@fatburen.org

  2. Frigyes.Reisch@fatburen.org

  3. Frigyes.Reisch@fatburen.org

  4. Three Mile Island, TMI - 2 Frigyes.Reisch@fatburen.org

  5. Frigyes.Reisch@fatburen.org

  6. Frigyes.Reisch@fatburen.org

  7. TMI-2 normal operation Frigyes.Reisch@fatburen.org

  8. No true position indication of the valve No temperature measurement upstream and downstream the valve Erroneous level indication in the pressuriser No water level measurement in the reactor vessel TMI2 + 1 ½ h No rupture disk status indication No proper containment monitoring Frigyes.Reisch@fatburen.org

  9. TMI-2 +2h Frigyes.Reisch@fatburen.org

  10. Frigyes.Reisch@fatburen.org

  11. Excessive positive void coefficient +30pcm/% Capture and Fission Absorption Thermalisation Frigyes.Reisch@fatburen.org

  12. The Positiv Void Coefficient W a t e r & s t e a m Capture & Fission F u e l C o o l a n t Graphite moderator Thermalisation Absorption Frigyes.Reisch@fatburen.org

  13. RBMK flow diagram Can’t take postulated break of the largest pipe! Frigyes.Reisch@fatburen.org

  14. and the main cooling circuits RBMK Reactor Frigyes.Reisch@fatburen.org

  15. Xe poisoning No indication of the Xe status Chernobyl operational history prior to the accident Frigyes.Reisch@fatburen.org

  16. Xenon and Iodione equations Frigyes.Reisch@fatburen.org

  17. No interlock against unauthorised withdrawal of control rods No proper display of the axial neutron flux distribution Remind the Perturbation Theory Frigyes.Reisch@fatburen.org

  18. Perturbation theory Lamarsh Frigyes.Reisch@fatburen.org

  19. The Experiment Decreasing system pressure due to dump valve opening No stability monitoring! Reduced feed water flow No temperature measurement in the suction line Frigyes.Reisch@fatburen.org

  20. Void v.s. steam quality cubic meter steam/(cubic meter steam + cubic meter water) kg steam/(kg steam + kg water) Centigrades Frigyes.Reisch@fatburen.org

  21. In 0.1 sec 2.7 times power increase In 1 sec 22026 times power increase Frigyes.Reisch@fatburen.org

  22. Glasstone ... Frigyes.Reisch@fatburen.org

  23. Lamarsh Frigyes.Reisch@fatburen.org

  24. Doppler Reactivity Fuel Temperature and Doppler Reactivity Frigyes.Reisch@fatburen.org

  25. Frigyes.Reisch@fatburen.org

  26. The roof Frigyes.Reisch@fatburen.org

  27. Core melt "Elephant foot" Frigyes.Reisch@fatburen.org

  28. Frigyes.Reisch@fatburen.org

  29. Frigyes.Reisch@fatburen.org

  30. Frigyes.Reisch@fatburen.org

  31. Frigyes.Reisch@fatburen.org

  32. Power plant and Fuel manufacturing Tokai- Mura Map Frigyes.Reisch@fatburen.org

  33. Tokai- Mura process diagram ~17% U235 enriched No interlock Funnel No weight measurement No sign of maximum permitted weight No sign of actuall enrichment Frigyes.Reisch@fatburen.org

  34. T o k a i M u r a Mixed Spectrum Reactor Frigyes.Reisch@fatburen.org

  35. Tokai Mura criticallitly Self Controlled Reactor Frigyes.Reisch@fatburen.org

  36. Frigyes.Reisch@fatburen.org

  37. Nuclear Power Plants in Northern Europe Frigyes.Reisch@fatburen.org

  38. Baltic Region electrical grid Frigyes.Reisch@fatburen.org

  39. Frigyes.Reisch@fatburen.org

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