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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). 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

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  1. SABR REACTOR CORE & TRITIUM BREEDING BLKT W. M. Stacey Georgia Tech September, 2009

  2. 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.

  3. 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.

  4. 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

  5. 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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