control rod


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control rod

n
(General Physics) one of a number of rods or tubes containing a neutron absorber, such as boron, that can be inserted into or retracted from the core of a nuclear reactor in order to control its rate of reaction
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.control rod - a steel or aluminum rod that can be moved up or down to control the rate of the nuclear reaction
nuclear reactor, reactor - (physics) any of several kinds of apparatus that maintain and control a nuclear reaction for the production of energy or artificial elements
rod - a long thin implement made of metal or wood
Translations
barre de commande
References in periodicals archive ?
The control rod is mounted in low-friction, slide bearing that are said to significantly extend life over conventional bearing assemblies, virtually eliminating wear.
Post-event evaluations confirmed that all control rods were fully inserted within 4 minutes of the reactor trip.
The emergency was declared after plant personnel were unable to confirm the position of 3 of the 185 control rods following a shutdown of the reactor.
28 because routine testing indicated that some of the unit's control rods and fuel assemblies were experiencing increased friction, slowing their response time.
Each control rod fits securely between four fuel assemblies, which are covered with a metal channel.
Tenders are invited for Control Rod Assembly For Bobr And Bobrn Wagon, Control Rod Head, Ear Bushing Nut And Multitooth Of Washer To Rdso Drg.
MHI; TSE: 7011) has received an order for a set of replacement control rod drive mechanisms (CRDM) for nuclear reactors from Ringhals AB of Sweden.
After inspecting the area further, he discovered the right inboard aileron tab control rod had no hardware securing the rod end to the control tab.
A third reactor was closed after minor cracks were found during maintenance work on control rod tubes.
By introducing the new 1325 swinghandle along with the control rod package, EMKA have brought through the option for on-site retrofit of round key cylinders, standard inserts and profile half cylinders.
The report covers the global nuclear power industry's development, its growth trajectory and the demand for control rod assemblies (CRAs) in the global nuclear market segmented by five regions and key countries.
The reactor unit 1 at Hanwool Nuclear Power Plant in Uljin, 330 kilometers southeast of Seoul, was manually turned off after a control rod dropped.