Control cell nuclear reactor core

Patent · Tue Aug 25 04:00:00 EDT 1981

OSTI ID:5853529

Brown, R E; Crowther, R L; Fennern, L E; Gitnick, B J; Sawyer, C D; Specker, S R; Walters, K V

A method and arrangement for operating a boiling water nuclear reactor and fuel assembly designs for such reactor wherein the reactor is operated with uniquely located control rods that serve the primary functions of power shaping and reactivity control. A second and separate distinct group of control rods is withdrawn when the reactor is at power and the control rods of this group serve the primary function of reactor shutdown. The design of the fuel assemblies and the selected patterns of fuel assemblies and control rods make the separation of control functions feasible. The power shaping and reactivity control control rods are located in low power regions of the core designated control cells. The design of the fuel is such that the control rods of the control cells may remain in fixed positions in these cells during the operating cycle until withdrawal for burnup reactivity compensation.

• Assignee: General Electric Co
• Patent Number(s): US 4285769
• OSTI ID: 5853529
• Country of Publication: United States
• Language: English

Related Subjects

21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210100 -- Power Reactors
Nonbreeding
Light-Water Moderated
Boiling Water Cooled
22 GENERAL STUDIES OF NUCLEAR REACTORS
220400* -- Nuclear Reactor Technology-- Control Systems
BWR TYPE REACTORS
CONTROL ELEMENTS
CONTROL SYSTEMS
DESIGN
FUEL ASSEMBLIES
REACTOR COMPONENTS
REACTOR CONTROL SYSTEMS
REACTOR SHUTDOWN
REACTORS
SHUTDOWNS
WATER COOLED REACTORS
WATER MODERATED REACTORS