Sentences with phrase «reactor coolant systems»

Tritium is produced primarily from neutron capture by B - 10 in PWRs; that B - 10 (in the form of boric acid) is added to reactor coolant systems as a soluble reactivity agent.

Although SMR - 160 is a pressurized water reactor, it does not use boric acid in its reactor coolant system.

The slow up - flow of water in the reactor vessel insures that little radioactive crud produced from long term operation carries to the above - ground portion of the reactor coolant system.

Not exact matches

For context, a submarine assigned to Britain's Royal Navy narrowly avoided a complete reactor meltdown in 2012 after the power sources for its coolant system failed.

The NuScale Power Module ™ and power plant design enhances the intrinsic physical protection and security of the plant through the elegantly simple design, elimination of large break loss of coolant accidents, and full reliance on passive systems to cool the reactors and spent fuel for extended periods without the need for AC power, DC power or additional water following an upset condition.

The low power output of each NuScale Power Module allows for significant design simplification and elimination of many systems susceptible to sabotage, including the reactor coolant loops, reactor coolant pumps, and active safety systems.