Sentences with phrase «fuel assemblies»

RBT - 6 and RBT - 10 / 2 are pool - type reactors that use spent fuel assemblies of the SM reactor.

Therefore, the primary objective of this report is to factually and analytically approach the current and expected future direction of the nuclear - grade zirconium market to help formulate clear conclusions about how producers of fuel assemblies for nuclear reactors will obtain the necessary zirconium for their finished products.

In ENUSA we manufacture nuclear fuel in our Juzbado facility (Salamanca), where the activities focus on procurement of the uranium and components required for the process and on the engineering and manufacturing of fuel assemblies for Spanish and European nuclear power plants, using the most innovative technologies and latest market advances.

EP then estimated the total amount of spent nuclear fuel assemblies that would be generated over a 25 year period.

Under the Foreign Research Reactor (FRR) program, NAC received a contract from the European Commission to remove a total of 420 HEU spent fuel assemblies from the Dutch Petten reactor located north of Amsterdam using two campaigns of five NAC - LWT casks.

Although these depositories usually contain several used fuel assemblies and therefore more total radioactivity than a reactor does, most of the more dangerous radioactive isotopes in the old fuel have already decayed away.

In December 2015, NuScale Power and AREVA Inc. announced a contract for AREVA to manufacture fuel assemblies for NuScale's small modular reactor (SMR) technology.

These pellets are loaded into metal tubes that are bundled in fuel assemblies (12 to 17 feet tall) and shipped to nuclear power plants.

The NuScale spent fuel pool provides storage for up to 10 years of spent fuel storage, plus temporary storage for new fuel assemblies.

Final assembly: Due to their differing constitution, a difference is made between PWR and BWR type fuel assemblies.

A recent task order consisted of the removal of 46 HEU fuel assemblies from the Demokritos reactor located in Athens, Greece.

The UMS has a capacity of 24 PWR or 56 BWR fuel assemblies.

Workers at Fukushima were forced to vent hydrogen and steam after fuel assemblies melted in order to prevent an even more catastrophic damage to reactor containment structures and a far greater radiation release.

Separating the well and the spent fuel pool is a gate through which fuel assemblies are transferred.

Global Nuclear Fuel (GNF) has made its next - generation GNF3 boiling water reactor (BWR) fuel assembly available to customers for the first time.

The pool water volume provides a minimum of 30 days of passive cooling of the spent fuel assemblies following a loss of all electrical power without the need for additional water.

The product cylinders are then loaded into sturdy protective containers for shipment to a nuclear fuel fabricator where the enriched uranium is converted into fuel assemblies for nuclear power reactors.

DTS equipment has been used with research reactor and MTR fuel assemblies at facilities in Taiwan, Iraq, Chile, Colombia, and Greece over the past several years, as well as several research reactor sites in North America.

The supply of nuclear - grade zirconium — from zircon mineral sand through the cladding and components used in finished fuel assemblies — has also not escaped this scrutiny.

We believe the Russians deduced that the rod was a fissionable fuel assembly, believed they had it mastered, and tried to harness it at Chernobyl.

JAEA claims that the safety of fuel assemblies and some equipment and piping will be confirmed based on consideration of time history waveforms.

The study defines as toxic waste the spent fuel assemblies from nuclear plants and the solar panels themselves, which contain similar heavy metals and toxins as other electronics, such as computers and smartphones.

After conversion of the university reactor at Texas A&M to Low Enriched Uranium (LEU) fuel, NAC provided one NAC - LWT cask for the transport of 84 irradiated High Enriched Uranium (HEU) TRIGA type fuel assemblies to the DOE site of Idaho National Laboratory (INL).

In PUREX recycling, used fuel assemblies are transported to a recycling plant in heavily shielded, damage - resistant shipping casks.

On December 2, 2015, NuScale Power announced a furthering of the AREVA relationship by the signing of a contract to manufacture fuel assemblies.

At present 5,900 tons of high - level waste (HLW) in the form of spent fuel assemblies are sitting in pools next to operating reactors, together with 75 million gallons of radioactive liquid waste, plus 27 million cubic feet of trans - uranic waste (TRU).

Cooper Chief Nuclear Officer Oscar Limpias said the deal was important for customers, securing a reliable and economical source of fabricated nuclear fuel assemblies for the plant's long - term operation.

In reactor Nos. 1, 2 and 3 water levels dropped enough to leave the fuel assemblies temporarily uncovered; those fuel rods are presumed to have suffered damage.

Last month they discussed ways to deal with the Lepse, a barge carrying 624 spent or damaged nuclear fuel assemblies, tied up at the Arctic port of Murmansk and in danger of sinking.

As the level fell perilously close to the top of the fuel assemblies, something «fortuitous» happened, Shepherd says.

Without that leakage, the academy panel's own modeling predicted that the tops of the fuel assemblies would have been exposed by early April; as the water continued to evaporate, the odds of the assemblies» zirconium cladding catching fire would have skyrocketed.

AEA Technology recently signed a deal to store 200 fuel assemblies from Germany at Dounreay for three or four years, then convert them for use in the PFR.

The fuel assemblies are chopped up and dissolved by strong acids.

Spent fuel assemblies that have been removed relatively recently from reactors are kept in deep pools of water to cool them and shield the radiation they emit.

The FHD was certified by the NRC in 2001 and was extensively used to dehydrate Trojan's fuel assemblies, a number of which had water - laden fuel rods.

Furthermore, only one fuel assembly was inspected and even then only external visual inspections were conducted to confirm that there were no penetrating holes.

The 1268 MWe boiling water reactor entered a scheduled refuelling and maintenance outage on 9 March, which will include replacement of 280 of its 748 fuel assemblies using GNF2 fuel.

Within approximately 5 years, the thermal load of the spent fuel assemblies is reduced significantly, and can be moved to a secure dry storage area.

The spent fuel pool provides storage space for up to 15 years of accumulated spent fuel assemblies, plus temporary storage for new fuel assemblies.

After removal from the reactor core, spent fuel assemblies are placed in dedicated spent fuel storage racks in the below ground spent fuel pool, which contains four times more water volume for cooling per fuel assembly than current designs.

The NAC - LWT is the workhorse for U. S. commercial spent nuclear fuel transportation casks and is currently used for shipment of research reactor spent fuel, nuclear power plant spent fuel assemblies and fuel rods, and other irradiated materials.

But the fuel assemblies that power a commercial nuclear reactor at an electric utility generally need uranium with a 4 % — 5 % concentration of U235.

The announcement was made during NuScale's tri-annual Advisory Board meeting (NuAB) in Corvallis, OR, and follows an agreement signed by the companies in December 2015 for AREVA to design and manufacture the fuel assemblies.

Nuclear - grade zirconium alloys and products are used in the fabrication of fuel assemblies, which are used in the vast majority of nuclear reactor designs either currently operating, under construction, or planned around the world.

Its high technical content, need for regulatory approval, and the restriction of fuel assemblies to specific reactors require a unique approach to its analysis.

It takes about 10 days for the pool water to boil down to the top («head») of the spent fuel assemblies, and for the pressure inside the containment to rise to the design level of 0.5 MPa (abs).

Using the nuclear energy in the fuel assemblies, these facilities produce more than 2.5 trillion kilowatts of electricity each year.

The fuel assemblies are subject to several inspections before being packed in casks certified for transport.