Stackable truncated conical shell fuel element and an assembly t

Details Stackable truncated conical shell fuel element and an assembly t Stackable truncated conical shell fuel element and an assembly t

1992-05-05

1994-05-31

Wasil, Daniel D.

Induced nuclear reactions: processes, systems, and elements

Fuel component structure

Plural fuel segments or elements

376318, 376455, 376903, G21C 302

Patent

active

053176111

ABSTRACT:
A modular fuel assembly for a nuclear thermal engine includes a plurality of fuel elements each having a fueled, truncated conical shell and an unfueled peripheral lip at the base of the shell with radial passages there-through. The fuel elements are nested with the lips seating one on top of another to form a stack of fuel elements with frusto-conical flow passages between the shells of adjacent fuel elements which are divided into channels by ribs on the conical shells. The stack of fuel elements is mounted in a cylindrical housing with the bases of the shells facing a central inlet opening at one end of the housing. Propellant enters the central inlet opening, is deflected radially outward by a deflector into an annular flow distribution channel from which it flows radially inward through the passages in the fuel element lips, through the flow channels of frusto-conical passages between the fueled shells where it is heated, and out through a central exhaust passage.

REFERENCES:
patent: 2799642 (1957-07-01), Hurwitz, Jr. et al.
patent: 3150054 (1964-09-01), Fox
patent: 3311541 (1967-03-01), Eyre
patent: 3374148 (1968-03-01), Rom et al.
patent: 3801450 (1974-04-01), Barthels et al.

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