Seed and blanket fuel arrangement for dual-phase nuclear reactor

Details Seed and blanket fuel arrangement for dual-phase nuclear reactor Seed and blanket fuel arrangement for dual-phase nuclear reactor

1990-05-31

1992-09-22

Hunt, Brooks H.

Induced nuclear reactions: processes, systems, and elements

Handling of fission reactor component structure within...

Fuel component

376348, 376917, G21C 100

Patent

active

051494914

ABSTRACT:
Fresh fuel bundles are inserted into core locations with small coolant flow orifices, while mid-life fuel bundles are inserted into core locatiosn with large coolant flow locations. Thus, fissile fuel production is promoted at the expense of fissioning early in a bundle lifetime, increasing the effective quantity of fuel available for energy production. Moreover, fissioning is promoted at the expense of conversion later in the bundle lifetime to enhance reactivity of the remaining fissile material and to minimize the further production of fissile fuel. The net result is longer fuel lifetimes and reduced radioactive waste.

REFERENCES:
patent: 3844886 (1974-10-01), Crowther
patent: 4292128 (1981-09-01), Takeda et al.
patent: 4851181 (1989-07-01), Takeda et al.

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