Sentences with phrase «boiling water reactor»

That's if anybody even builds a boiling water reactor again.

That's one of the reason's I like the boiling water reactor design, yeah the reactor vessel is larger but you have no steam generators and no pressurizer, and all that extra water in the downcomers is useful in emergencies.

The plant — located in Oswego County on the southeast shore of Lake Ontario — is an 838 - MW boiling water reactor commissioned in July 1975.

Its single boiling water reactor produces 645 net megawatts (MW), enough electricity to power 600,000 average American homes.»

By the time he was 40, Weinberg had co-invented the pressurized water reactor, the boiling water reactor, the sodium fast reactor, the homogeneous reactor, the molten salt reactor, the atomic bomb — and the American Nuclear Society.

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

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.

The new reactor would be based on the 1350 - megawatt advanced boiling water reactor developed by General Electric, one of the world's largest builders of nuclear reactors.

The 29 - year - old boiling water reactor's future is grim as the Illinois Legislature missed the deadline yesterday to pass new energy rules and rates that would extend Clinton a lifeline.

Boiling water reactors This is the next most common type, used in countries including the US, Sweden and Japan — the reactors at Fukushima Daiichi are ageing examples.

«GEH has broad engineering experience, deep technical capability and significant investment in its sodium fast reactor technology program that builds on a 60 - year history as an original equipment manufacturer of more than 60 boiling water reactors worldwide,» said Jay Wileman, President and CEO, GEH.

«GEH has broad engineering experience, deep technical capability and significant investment in its sodium fast reactor technology program that builds on a 60 - year history as an original equipment manufacturer of more than 60 boiling water reactors worldwide,» said the company's president and CEO Jay Wileman.

Three of Fukushima Daiichi's six Boiling Water reactors, and the four reactors nearby at Daini 200 miles or so north of Tokyo, were evidently in operation when the quake hit, at which point, WNN reported, they shut down automatically and commenced removal of residual heat with the help of emergency diesel generators.

Not exact matches

However, when asked to comment, one CEO said Canada is in a strong position because Candu reactors use heavy water instead of boiled or pressurized water, which allows the reactor to run on natural uranium instead of enriched uranium fuel.

And on March 10, 2011, the NRC licensed the boiling - water reactor of similar design and vintage at Vermont Yankee to operate for another 20 years (pdf), just one day before the Fukushima crisis.

But because of the location of such pools in older boiling - water reactor designs — specifically, in the upper levels of the reactor building — any water added would ultimately drain down through the building, inundating the emergency pumps in the basement.

Regardless of the ability of the vents to function appropriately, one clear difference exists between the operation of such boiling - water reactors in the U.S. versus those in Japan — in the U.S., reactor operators have the authority to vent radioactive steam or hydrogen gas as conditions warrant.

The explosions tore open reactor buildings, damaging the 12 - meter - deep pools where used nuclear fuel is kept cool, potentially setting off another meltdown in the fuel there as the surrounding water drained away or boiled off.

The one thing that the NRC crisis guide for boiling - water reactors «doesn't really do is tell you how to stop [a meltdown],» Casto noted on March 16, 2011, according to the transcripts.

In superheating, water is heated well beyond its boiling point — in this case from 1,000 to 1,300 degrees Celsius — producing high - temperature steam to run turbines and also to operate solar reactors to split the water into hydrogen and oxygen.

To answer the question of just how harmful leaching could be, the scientists estimated radiation exposure around the coal plants and compared it with exposure levels around boiling - water reactor and pressurized - water nuclear power plants.

The rest of this special News & Analysis section examines what we have learned about radiation risks from previous exposures (p. 1504), improvements in safety since the boiling water designs at Fukushima (p. 1506), what to do with the wrecked reactors (p. 1507), and damage to research facilities from the earthquake (p. 1509).

Most nuclear reactors, including those at Japan's Fukushima Daiichi generating station, are essentially high - tech kettles that efficiently boil water to produce electricity.

With no fresh, cold water flowing through the system, the reactors began to behave like enormous kettles, boiling the water that was no longer flowing out of the system.

None of Britain's reactors are of the boiling water design (BWR) used at Fukushima.

These reactors could face extraordinary challenges, such as the recent twin blows of a magnitude 9.0 earthquake, which knocked out connections to the local power grid, followed by a wall of water that destroyed the fuel tanks for backup diesel generators and flooded critical electrical equipment, crippling the boiling - water reactors at Fukushima Daiichi in Japan.

Flaws in the boiling - water reactor safety system at Fukushima Daiichi (as well as Oyster Creek and Vermont Yankee) had been known since 1972.

Of course, it's not just the old General Electric boiling - water reactors aging in place.

«The NRC's actions in the 1980s and 1990s regarding Mark I [model boiling - water reactor] containment issues significantly improved the Mark I's ability to deal with accident conditions,» Burnell says.

Pressurized - water reactors designed by Westinghouse — such those that employ pressurized water and heat exchangers to produce power, unlike the boiling - water variety — face similar challenges.

«Our [eight diesel generators] are protected from the seismic and hydrology hazards expected in the area,» in addition to being buried in hardened facilities, says TVA spokesman, Terry Johnson, which operates three such boiling - water reactors at Browns Ferry.

Two other companies, Energy Matter Conversion Corp. (EMC2) and Tri Alpha Energy, are developing reactors that use proton - boron fuel, which requires even higher temperatures than deuterium does but allows almost direct conversion of fusion into electricity, without boiling water to drive a generator.

The U.S. employs 104 light - water reactors to generate 20 percent of its electricity today; the reactors moderate uranium fission and the heat it produces with water, which is also boiled into steam to turn an electricity - generating turbine.

It is not fission reactors that are wrong per se, but the prevailing use of boiling and pressurised water solid - fuelled reactors.

All four reactors have a nice primary containment — which means we should not worry very much at this point about the design of our boiling - water reactors and our pressurized - water reactors.

For instance, to view reactors of similar type and vintage to those at Fukushima Daiichi, Japan, choose «boiling water» as the type and use the slider to select those that began construction in the 1960s and 1970s.

Among the pending applications: a plan to build two additional boiling - water reactors at the South Texas Project power plant near Houston.

RIAR's reactors provide a full range of capabilities to test fuel and materials of all types of existing power reactors as well as advanced and innovative ones: water - cooled thermal reactors, including those with boiling and pressurized water, gas - cooled, fast and other types of reactors.

Boiling - water reactor (BWR): A light - water reactor in which water, used as both coolant and moderator, is allowed to boil in the core.

The coolant that removes heat from the reactor core is normally used to boil water.

Tags for this Online Resume: Simulation Engineering, Systems engineering, thermal - hydraulic software, AP1000, Boiling Water Reactor BWR, Pressure Water Reactors PWR