reactor vessel


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reactor vessel

[rē′ak·tər ‚ves·əl]
(nucleonics)
A large tanklike structure built to prevent radioactive materials from escaping from the reactor and associated equipment.
References in periodicals archive ?
The thermometer was deemed unavailable for use when it showed an abnormally high electrical resistance level following a sudden increase of temperatures to 60 C on Saturday morning, leaving only one temperature measurement device working properly at the bottom of the reactor vessel, the utility said.
The check assembly of the reactor vessel internals and the cover of the upper unit is one of the final stages in the manufacturing process of the reactor vessel prior to delivery to the customer.
In such a situation, a full meltdown or explosion could result in a major breach of the reactor vessel and extreme measures may be needed to contain a major radioactive release.
Framatome ANP will also replace the unit's reactor vessel closure head during this outage.
After the Nuclear Regulatory Commission (NRC) allowed Davis-Besse to delay shutting down to inspect its reactor vessel for cracked tubing, the plant found that leakage from these tubes had caused extensive corrosion on the vessel head--a vital barrier preventing a radioactive release.
1) Wastewater is collected from PMs 1 and 2 in a reactor vessel where organic contaminants (measured as biological oxygen demand over a 5-day period, or BO[D.
Catherall says: ``If a man has to go into the reactor vessel to clean it manually he has to get suited up and if anything were to go wrong it would be very difficult to get him out.
The drums are manually lifted from the conveyor, openend and presented to the reactor vessel for tipping and emptying.
Among the features of the enlarged pilot plant are the installation of a 500-gallon reactor vessel, new distillation units and flaking roll, and a modern control room computerized to monitor intermediate reactions.
The research teams are now considering adding a filter between the reactor vessel and power source to ensure the same current reaches all cells.
The reactor vessel is to be sealed at the factory, sited underground, and replaced with a new module after a designed core life of ten years.
Emirates Nuclear Energy Corporation (ENEC) has successfully completed the installation of steam generators and reactor vessel (RV) at Unit 4 of the Barakah Nuclear Energy Plant.