Sabr reactor core tritium breeding blkt
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SABR REACTOR CORE & TRITIUM BREEDING BLKT. W. M. Stacey Georgia Tech September, 2009. SUB-CRITICAL ADVANCED BURNER REACTOR (SABR). ANNULAR FAST REACTOR 1.Fuel—TRU from spent nuclear fuel. TRU-Zr metal being developed by ANL. 2.Sodium cooled, loop-type fast reactor.

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Sabr reactor core tritium breeding blkt

SABR REACTOR CORE & TRITIUM BREEDING BLKT

W. M. Stacey

Georgia Tech

September, 2009


Sub critical advanced burner reactor sabr

SUB-CRITICAL ADVANCED BURNER REACTOR (SABR)

ANNULAR FAST REACTOR

1.Fuel—TRU from spent nuclear fuel. TRU-Zr metal being developed by ANL.

2.Sodium cooled, loop-type fast reactor.

  • Based on fast reactor designs being developed by ANL in DoE Nuclear Program.

    TOKAMAK D-T FUSION NEUTRON SOURCE

    1.Based on ITER plasma physics and fusion technology.

    2.Tritium self-sufficient (Li4SiO4).

    3.Sodium cooled.


Neutronics

NEUTRONICS

  • ERANOS fast reactor fuel cycle code

  • JEFFF2.0 cross-sections, 20 MeV-0.1eV

  • P1 lattice cell calculation, 1968 groups, collapsed to 33 groups and homogenized over assembly.

  • 2D RZ model, 91 radial and 94 axial mesh points,S-8.


Heat removal

HEAT REMOVAL

  • Calculated with RELAP5-3D

  • Average power density 72.5 MW/m3

  • 3 loops—Na primary and intermediate, water secondary to steam.

  • Primary— 2 separate loops, each with 4 EM pumps and 2 IHX.

  • Core mass flow 8700 kg/s, Tin=650K, Tout= 940K, 450kW pumping with lithium-niobate insulator.

  • Fuel Tmax =1087K, Clad Tmax=986K


Li 4 sio 4 tritium breeding blanket

Li4SiO4 Tritium Breeding Blanket

15 cm Thick Blanket Around Plasma (Natural LI) and Reactor Core (90% Enriched LI) Achieves TBR = 1.16.

NA-Cooled to Operate in the Temperature Window 420-640 C.

Online Tritium Removal by He Purge Gas System.

Dynamic ERANOS Tritium Inventory Calculations for 700 fpd Burn Cycle (w/10% unavail, 60 d refueling shutdown, 10d startup) Indicated More Than Adequate Tritium Production.


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