Composite nuclear fuel assembly

Details Composite nuclear fuel assembly Composite nuclear fuel assembly

1980-01-31

1982-04-27

Walsh, Donald P.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376917, G21C 330

Patent

active

043269222

ABSTRACT:
An open lattice elongated nuclear fuel assembly including small diameter fuel rods disposed in an array spaced a selected distance above an array of larger diameter fuel rods for use in a nuclear reactor having liquid coolant flowing in an upward direction. Plenums are preferably provided in the upper portion of the upper smaller diameter fuel rods and in the lower portion of the lower larger diameter fuel rods. Lattice grid structures provide lateral support for the fuel rods and preferably the lowest grid about the upper rods is directly and rigidly affixed to the highest grid about the lower rods.

REFERENCES:
patent: 3211627 (1965-10-01), Thorp
patent: 3238109 (1966-03-01), Kent
patent: 3356587 (1967-12-01), Heck
patent: 3368945 (1968-02-01), Keller
patent: 3378452 (1968-04-01), Costes
patent: 3574058 (1971-04-01), Gumuenian
patent: 3912583 (1975-10-01), Iljunin
patent: 4096033 (1978-06-01), Barry

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