1970-12-10
1976-01-06
Bentley, Stephen C.
176 79, 176 81, G21C 308, G21C 310
Patent
active
039309401
ABSTRACT:
A nuclear fuel sub-assembly comprises a bundle of fuel pins provided with helical spacers and located within a shroud for the coolant. The sub-channels at the periphery of the bundle are restricted in order that the rate of flow matches the heat transfer surfaces in all sub-channels. For this purpose the spacers of the outer pins project radially by an extent smaller than the spacers of the inner pins. In addition longitudinal ribs may be provided in the outer sub-channels.
REFERENCES:
patent: 3215606 (1965-11-01), Silvester
patent: 3356587 (1967-12-01), Heck
patent: 3442763 (1969-05-01), Chetter et al.
patent: 3575808 (1970-04-01), Jakub et al.
patent: 3607642 (1971-09-01), Murdock
patent: 3625822 (1971-12-01), Mantle
patent: 3629066 (1971-12-01), Anderson
Cayol Andre
Chalony Andre
Clottes Georges
Praizey Jean-Pierre
Skok Jean
Bentley Stephen C.
Commissariat a l''Energie Atomique
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