Control rod end plug with a stabilizing configuration.

摘要

The invention relates to an improved control rod for use in a nuclear reactor, and which control rod, when in use, is movable in a guide thimble having reactor coolant flowing therethrough.
<??>The control rod (30) has an end plug (52) with an asymmetrical tip configuration causing coolant, as it flows therepast, to impart to the end plug a lateral force (F) sufficient to hold the end plug steady against the guide thimble wall (58), thereby preventing it from vibrating against the thimble wall and causing wear.