Fuel element having variable orifice

Details Fuel element having variable orifice Fuel element having variable orifice

1973-05-25

1976-08-24

Behrend, Harvey E.

Pipes and tubular conduits

Repairing

176 61, 138 46, G21C 1500

Patent

active

039765423

ABSTRACT:
A fuel element for a gas-cooled nuclear reactor having a housing surrounding a plurality of fuel pins through which coolant flows over the fuel pins. The housing has a portion of varying cross section and a plug disposed within the housing adjacent the portion. The plug and housing form a generally annular orifice through which the gas coolant flows, the size of which orifice is variable in accordance with the axial position of the plug, which can be varied from exterior of the reactor pressure vessel.

REFERENCES:
patent: 3036965 (1962-05-01), Braun
patent: 3060111 (1962-10-01), Sherman et al.
patent: 3223589 (1965-12-01), Ziegler
patent: 3486973 (1969-12-01), Georges et al.
patent: 3533911 (1970-10-01), Fortescue et al.
Power Reactor Technology, vol. 5, No. 3, June 1962, pp. 41, 42.

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