Composite nozzle design for reactor fuel assembly

Details Composite nozzle design for reactor fuel assembly Composite nozzle design for reactor fuel assembly

1981-03-02

1984-01-24

Nelson, Peter A.

Induced nuclear reactions: processes, systems, and elements

Reactor structures

Orifice or fluid control at inlet or outlet of coolant channels

376440, 376442, 376446, G21C 104

Patent

active

044276249

ABSTRACT:
A composite nozzle for a fuel assembly adapted for installation on the upper or lower end thereof and which is constructed from two components. The first component includes a casting weldment or forging designed to carry handling loads, support fuel assembly weight and flow loads, and interface with structural members of both the fuel assembly and reactor internal structures. The second component of the nozzle consists of a thin stamped bore machine flow plate adapted for attachment to the casting body. The plate is designed to prevent fuel rods from being ejected from the core and provide orifices for coolant flow to a predetermined value and pressure drop which is consistent with the flow at other locations in the core.

REFERENCES:
patent: 3182003 (1965-05-01), Thorp et al.
patent: 3330734 (1967-07-01), Ashcroft et al.
patent: 3377254 (1968-04-01), Frisch
patent: 3389056 (1968-06-01), Frisch
patent: 3475273 (1969-10-01), Krawiek
patent: 3791466 (1974-02-01), Patterson et al.
patent: 3801453 (1974-04-01), Jones
patent: 4123327 (1978-10-01), Sugisaki et al.

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