Sentences with phrase «power reactors use»

Bomb - grade uranium is enriched to above 90 percent and most power reactors use uranium that is enriched up to 5 percent.

Not exact matches

Among the moon's vast riches: gold, cobalt, iron, palladium, platinum, tungsten and helium - 3, a gas that can be used in future fusion reactors to provide nuclear power without radioactive waste.
The team's design uses solar energy (captured with photovoltaic panels) to power an electrochemical reactor that converts water and human waste into fertilizer and hydrogen.
A number of coal - and oil - fired power plants will likely be retired, and while Virginia's four existing nuclear units will remain in use, plans for a fifth reactor remain shelved, for now.
To use MOX fuel rods, civilian power plants would have to modify their reactors, requiring lengthy relicensing by the Nuclear Regulatory Commission.
The department controls the radioactive materials - plutonium, uranium and tritium - used in Americas nuclear weapons and in the reactors of nuclear - powered aircraft carriers and submarines.
NASA's prototype power system uses a uranium - 235 reactor core described as roughly the size of a paper towel roll.
However, the power plant needs a permit from New York State to use Hudson River water to cool its reactor cores.
Together, the two reactors supply about one - fourth of the power used in New York City and Westchester County.
Each day, some two billion gallons of water are pumped from Long Island Sound into the Millstone Power Station in Waterford, Conn. — that state's only nuclear power plant — and used to help cool systems and support the station's two operating reacPower Station in Waterford, Conn. — that state's only nuclear power plant — and used to help cool systems and support the station's two operating reacpower plant — and used to help cool systems and support the station's two operating reactors.
Nuclear power plant operators would purchase and store portable equipment that could be used to provide additional means of cooling the reactor, a plan that could be in place as soon as 2015.
This is a fluidized bed reactor, an energy - generation technology that has been used for decades to power paper mills and waste - treatment plants but that had never before been installed in an ethanol plant.
By harnessing energy from the sun — «this handy fusion reactor in the sky,» he called it last night — getting enough renewable energy on the power grid and smoothing out energy generation and use between peak and off - peak hours, the nation and planet can shift away from fossil fuels» dominance as a power source, he told the crowd.
It also assumes that 45 new nuclear power plants could be built by 2030, using existing reactor sites, adding 64 gigawatts of new capacity.
Nuclear power's foes have also kept up an attack on the use of DOE loan guarantees for new reactors contending that the risks to taxpayers were too great unless the credit subsidy requirement was pushed far up.
After all, the spent fuel pools that may have been exposed by the power plant explosions contain more than 200 metric tons of used uranium fuel rods that have been cooling for weeks, months or even years — and smoke or steam continues to billow from the exposed spent fuel pool of reactor No. 3.
After about three years of service, when technicians typically remove used fuel from one of today's reactors because of radiation - related degradation and the depletion of the uranium 235, plutonium is contributing more than half the power the plant generates.
Alabama also objected, worried about another species: nuclear power plants, which use enormous quantities of water, usually drawn from rivers and lakes, to cool their big reactors.
Thermal fluids are used to alleviate wear on components and tools and for machining operations like stamping and drilling, medical therapy and diagnosis, biopharmaceuticals, air conditioning, fuel cells, power transmission systems, solar cells, micro - and nanoelectronic mechanical systems and cooling systems for everything from engines to nuclear reactors.
They see a market in servicing large electric utilities that want to incrementally expand their generation capacity, developing countries that can not afford or make good use of traditional reactors, and off - grid and hard - to - power sites.
The aim of ITER is to show that, in theory, nuclei of deuterium and tritium (isotopes of hydrogen) can be fused in a searingly hot plasma at the heart of the reactor, thereby releasing large quantities of heat that could be used to generate power.
That hydrogen buildup was the result of hot steam coming into contact with overheated nuclear fuel rods covered by a cladding of zirconium alloy, or «zircaloy» — the material used as fuel - rod cladding in all water - cooled nuclear reactors, which constitute more than 90 percent of the world's power reactors.
The researchers plan to test their reactors directly in the coal - fired power plant of EnBW in Karlsruhe and to use the exhaust gases produced there.
Five nuclear power stations in Britain use first - generation Magnox reactors, with steel pressure vessels.
During that time, ITER's designers anticipate that the reactor will put out 500 megawatts of power while using only 50 megawatts, a tenfold energy gain.
Nuclear reactors are routinely used by the U.S. Navy to power its aircraft carriers and submarines.
The concept of an ADS is almost as old as nuclear power itself: American physicist Ernest O. Lawrence, the inventor of the cyclotron accelerator, suggested the use of particle beams in conjunction with a reactor during the 1950s.
Poll proposes nuclear - powered airplanes using reactors with engines on the wings.
Like older models, they will use uranium fission to heat water and drive a turbine, but these reactors will be smaller, simpler to build, and each will add more than 1100 megawatts of capacity to the region's power grid when they come online in 2016 or 2017 — without emitting carbon dioxide.
A fusion power demonstration reactor to be built in the 2030s in collaboration with the DoE's Princeton Plasma Physics Lab, represents a step toward commercial use
Thermal simulators will be used for the balance of the engines to verify the reactor's power output, Mason said in an interview with Space.com.
American researchers have shown that prospective magnetic fusion power systems would pose a much lower risk of being used for the production of weapon — usable materials than nuclear fission reactors and their associated fuel cycle.
Later, the power will be used to top up water in the reactor vessels.
The fuel bundles are used in the PRISM reactor to produce power, after which they become virtually unusable for proliferation purposes.
Canadian Nuclear Laboratories is a leader in sciences that are foundational to reactor safety — including the ability to predict the lifetimes of critical components used in nuclear power stations around the world, especially those in CANDU reactors.
The NRC has amended FirstEnergy Nuclear Operating Company (FENOC)'s operating licence for Perry to include revisions to the safety limit minimum critical power ratio - a measure of heat limits within the reactor core - enabling the unit to use Global Nuclear Fuel's GNF2 fuel design.
The research reactor is not used for developing or sampling nuclear power technology.
ZED - 2 has been used to confirm the reactor physics design of all Canada's power reactors.
ZED - 2 is also used for the development, characterization, and calibration of in - core and ex-core flux detectors for use in power reactors.
There are more than 440 operating nuclear power reactors worldwide, most of which use enriched uranium for fuel, including 99 reactors in the United States.
GE Hitachi Nuclear Energy is developing the Power Reactor Innovative Small Modular (PRISM) reactor, which uses liquid sodium as a coolant.
«Unlike today's nuclear reactor, the IFR [integral fast reactor] can generate unlimited amounts of inexpensive clean power for hundreds of thousands of years... It provides an excellent solution for what to do with our nuclear waste because it can use our existing nuclear waste for fuel and it is significantly more proliferation - resistant than other methods of dealing with nuclear waste... The IFR is also inherently safe.
One of the most vexing issues facing the nuclear power industry today is what to do with the spent nuclear fuel after it has been used in a nuclear reactor.
Through a multi-step process in Russia, the bomb - grade uranium material was converted into a different chemical form and then diluted into low enriched uranium suitable for use in fabricating commercial nuclear power reactor fuel.
A fourth generation reactor designed by GEH, PRISM incorporates the groundbreaking features of the Argonne Laboratory's project, representing a technological leap that could power the UK or similar countries for hundreds of years with used nuclear fuel that is already on hand.
The use of small modular reactors (SMRs) for remote communities and mines in northern Ontario will be studied following the signing of a memorandum of understanding (MoU) between Bruce Power, Laurentian University and Mirarco Mining Innovation.
Molten salt reactors use fuel dissolved in a molten fluoride or chloride salt which functions as both the fuel (producing the heat) and the coolant (transporting the heat away and ultimately to the power plant).
If the material from one such reactor (of a size of practical interest for power production) were diverted, it might be a matter of some two or three years before it could be used to make a small number of atomic weapons.
Due to its properties, it is extensively used in nuclear power reactors and in the production of nuclear weapons.
According to a report on Fredricksburg.com, It could be another six months before Dominion power company makes a final decision on the design it will use for a proposed third reactor at North Anna Power Stapower company makes a final decision on the design it will use for a proposed third reactor at North Anna Power StaPower Station.
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