Nuclear reactors. Medical search. Frequent questions

Most reactors use enriched uranium, a more expensive process. (cbc.ca)
But a year after it eventually comes on line, it could provide Iran with an alternative to highly enriched uranium for use in a nuclear bomb. (jordantimes.com)
According to the UN nuclear watchdog, Iran is strictly following the November deal, under which it pledged to "dilute" half of its highly enriched uranium by mid-April, with the rest to be converted by mid-July. (jordantimes.com)

In the latest move in the ongoing standoff over North Korea's nuclear program, the Korean Peninsula Energy Development Corporation (KEDO) has suspended construction of two light-water nuclear reactors (LWRs) it was charged with providing to Pyongyang under the 1994 Agreed Framework. (armscontrol.org)
The North promised to eventually dismantle the facility following construction there of two light-water nuclear reactors for electricity, a type more difficult to divert for weapons use. (pravda.ru)

The earthquake and tsunami that hit Japan focused attention on the Fukushima nuclear power plant in the northern region of the island nation. (cbc.ca)
How many reactors are in Fukushima? (cbc.ca)
There are six reactors at the Fukushima Daiichi power plant, all of which are boiled-water reactors. (cbc.ca)
The eyes of the world have been riveted on Japan's Fukushima Dai-1 nuclear power plant and its workers' desperate efforts to stabilize the nuclear reactors. (ieee.org)
Fukushima Dai-1 uses six boiling water reactors to produce electricity for TEPCO. (ieee.org)
In most of Fukushima Dai-1's reactors, the radioactive element uranium is the source of the nuclear fission reaction: when one atom of the uranium isotope U-235 breaks down into smaller parts, it produces both energy and neutrons. (ieee.org)
TOKYO-Four Japanese utilities applied to restart a total of 10 nuclear reactors under new safety regulations meant to prevent a recurrence of the 2011 Fukushima Daiichi disaster. (wsj.com)
Anti-nuclear sentiment and safety concerns rose sharply in Japan after the 2011 Fukushima nuclear plant disaster, but the government has been pushing for a return to nuclear energy amid worries of power shortages following Russia's invasion of Ukraine and a global push to reduce greenhouse gases. (ktar.com)
Most of Japan's nuclear power plants were taken off line following the Fukushima accident for safety checks under tightened standards. (ktar.com)
A magnitude 9.0 earthquake and tsunami destroyed key cooling functions at the Fukushima Daiichi nuclear plant in March 2011, causing three reactors to melt and contaminating the region with massive radiation that still keeps some areas uninhabitable. (ktar.com)
Critics say the true cost of nuclear energy would be much higher if the expense of radioactive waste management and final storage facilities are included, and that there are long-term environmental hazards of another Fukushima-like accident. (ktar.com)
Tokyo Electric Power Company Holdings, the operator of the Fukushima Daiichi plant, has come under fire over lax safeguards at another plant, Kashiwazaki-Kariwa, where it is seeking to restart two reactors. (ktar.com)
A "core meltdown" might have occurred at reactor 2 Fukushima Daiichi. (planetsave.com)
A hydrogen explosion at the number 3 reactor at the Fukushima No 1 nuclear injured 11 people. (planetsave.com)
The video above is of the second nuclear reactor explosion at the Fukushima Daiichi in Japan. (planetsave.com)
The Tokyo Electric Power Company (Tepco) has started removing fuel rods from Japan's stricken Fukushima No. 1 nuclear power plant. (breakingnewsenglish.com)
The Nuclear Energy Institute transmitted a letter last week to the U.S. Nuclear Regulatory Commission reiterating its strategy for implementing upcoming regulatory changes in response to lessons learned from the Fukushima Daiichi accident. (enewspf.com)
An independent expert panel in Japan studying how the country's authorities responded to the Fukushima Daiichi nuclear accident reported last week that both the government and plant operator Tokyo Electric Power Co. had been ill-prepared to deal with the crisis. (enewspf.com)
Richard Meserve, former chairman of the U.S. Nuclear Regulatory Commission, told a meeting of Japan's parliamentary panel investigating the Fukushima Daiichi accident that experts at the site of a nuclear emergency should be given the responsibility and authority to respond to the situation. (enewspf.com)
NEI's white paper, " Making Safe Nuclear Energy Safer ," describes the U.S. nuclear energy industry's response to the Fukushima Daiichi accident and safety enhancements that had been made before the accident occurred. (enewspf.com)
New items of interest on NEI's Safety First website include a video on the industry's commitment to maintaining a robust nuclear safety culture in the aftermath of Fukushima and an article on the continuing role of U.S. nuclear experts assisting in Japan's recovery-and learning from the accident. (enewspf.com)

As of September 2023, there are 412 operable power reactors in the world, with a combined electrical capacity of 368.6 GW. (wikipedia.org)

Some energy experts say so-called next-generation reactors, such as small modular reactors, could be costly and add a financial burden to plant operators. (ktar.com)
Japan does not yet have safety standards for next-generation reactors and it would take more than a year to set such guidelines, while the safety of aging reactors needs to be carefully examined individually, he said. (ktar.com)
The webinar covered actions being taken to prepare the future nuclear workforce for the construction and operation of next-generation reactors in the late 2020s and early 2030s. (ans.org)

The new leader of the New Brunswick Liberals is questioning whether small modular nuclear reactors are the answer to the province's energy needs, a more cautious stance than her party's previous full-throated support for the technology. (cbc.ca)
Susan Holt, chosen over the weekend to lead the New Brunswick Liberal party, said she needs more information about small modular reactors. (cbc.ca)
It sounds to me like the new leader is open to more information and analysis, which is what we desperately needed on the question of small modular nuclear reactors,' she said. (cbc.ca)
The UK has launched a competition for small modular reactor technology and created a new nuclear body. (zerohedge.com)
This week saw the UK launch a competition for small modular reactor (SMR) technology and created a new nuclear body, Great British Nuclear, in a bid to provide more zero-emission energy from locally-developed sources. (zerohedge.com)
As of today, companies can register their interest with GBN to participate in a competition to secure funding support to develop their SMR technology, which could result in billions of pounds of public and private sector investment in small modular reactor projects in the UK. (zerohedge.com)
TVA announced a partnership with GE Hitachi Nuclear Energy , Ontario Power Generation and Synthos Green Energy to design a first-of-a-kind small modular nuclear reactor that will be used at the TVA's Clinch River Site. (wate.com)
GE Hitachi anticipates a total investment of $400 million to be associated with the development of the small modular reactor, the release adds. (wate.com)
If the project passes design and regulatory hurdles, the modular nuclear reactors could be implemented in Ontario, Canada, Poland and other sites. (wate.com)
According to the Department of Energy , Advanced Small Modular Reactors offer advantages, such as small physical footprints, reduced capital investment and the ability to be sited in locations not possible for larger nuclear plants. (wate.com)
According to a press release from the TVA about the New Nuclear Program, the program was approved in February 2022 and would oversee a project to prepare an application with for a light-water, small modular reactor at the Clinch River Site. (wate.com)
Small modular reactors (SMRs) have (rapidly) become part of the solution for future fossil-free energy systems in Sweden. (lu.se)
New nuclear technologies, such as small modular reactors (SMRs), are therefore gaining more focus and being investigated. (lu.se)
But with new wind power and hydropower facing public resistance, new energy technologies, such as new nuclear technologies called small modular reactors (SMRs), are gaining more focus, and being investigated in the country. (lu.se)

Where not otherwise specified, all information is sourced from the Power Reactor Information System (PRIS) of the International Atomic Energy Agency (IAEA). (wikipedia.org)
This is the 35th edition of Reference Data Series No.2, which presents the most recent reactor data available to the IAEA. (iaea.org)
It contains summarized information as of the end of 2014 on power reactors operating, under construction and shut down as well as performance data on reactors operating in the IAEA Member States. (iaea.org)
The magnitude of potential impact laid out, for example, in Information Technology for Nuclear Power Plant Configuration Management (IAEA-TECDOC-1651) is well within reach. (ans.org)
The Agreed Framework defused a tense standoff following the International Atomic Energy Agency's (IAEA) discovery that Pyongyang had been diverting spent fuel from its graphite-moderated nuclear reactors for a plutonium-based nuclear weapons program. (armscontrol.org)
If North Korea starts the reactor by the end of this year, they will have enough material for additional nuclear bomb by the end of the next year," Olli Heinonen, former deputy director-general for safeguards at the International Atomic Energy Agency (IAEA), told the VOA Korean Service. (voanews.com)
An IAEA report said Dair Alzour appeared to be a reactor of North Korean design that did not need a cooling tower. (voanews.com)
North Korea is reportedly negotiating for some 500,000 tons of fuel oil in exchange for suspending operation of a Yongbyon nuclear reactor and agreeing to IAEA inspections, according to Japanese media, monstersandcritics.com reports. (pravda.ru)
The county was subjected to a multi-criteria decision analysis based on specific criteria drawn from IAEA regulation documents and from nuclear consultants from WSP. (lu.se)

The list only includes civilian nuclear power reactors used to generate electricity for a power grid. (wikipedia.org)
Nuclear reactors have evolved to achieve more than just electricity generation and should be part of the U.K.'s plan to reach net-zero emissions by 2050. (ans.org)
Test production began earlier this year, and regular electricity output at the reactor will start in December, TVO added, in line with its most recent prediction. (zawya.com)
Representatives Jeff Duncan (S.C.) and Byron Donalds (Fla.) argue that a greater emphasis on nuclear innovation is needed "to ensure a reliable electricity supply and reduce global greenhouse gas emissions, while fostering our national, economic, and energy security interests. (ans.org)
Nuclear power plants are getting paid $20 to $30 a megawatt-hour for their electricity, Nicholas Steckler, an analyst at Bloomberg New Energy Finance, said in a report Wednesday. (newsmax.com)
States including New York and Illinois are now working to subsidize nuclear plants to keep them generating emissions-free electricity. (newsmax.com)
Under the British Energy Security Strategy, the UK has an ambition to deploy up to 24 gigawatts (GW) of nuclear power by 2050, around 25% of the projected 2050 electricity demand in the country. (zerohedge.com)
Currently, the U.S. electricity system includes large light water reactors (LWRs) that produce electricity for commercial use. (homelandsecuritynewswire.com)
Advanced nuclear technologies likely will not be able to markedly contribute to electricity generation until the 2030s at the earliest, the report says, but there are opportunities for them to compete with other energy technologies in the long term. (homelandsecuritynewswire.com)
The nuclear and industrial safety agency (NISA) has tried to circulate the coolant by steam instead of electricity, but NHK reported that attempts to lower the temperature inside the reactor chamber have not worked well. (planetsave.com)
Plutonium-238 is used as a heat source in nuclear batteries to produce electricity in devices such as unmanned spacecraft and interplanetary probes. (cdc.gov)

Susan O'Donnell, a member of the Coalition for Responsible Energy Development in New Brunswick, said she was happy Holt was 'reading the independent research about SMRs instead of the nuclear industry sales and promotional materials. (cbc.ca)
As well as backing SMRs, the UK remains committed to traditional nuclear projects including Hinkley Point C and Sizewell C. (zerohedge.com)
SMRs are considered to be the future of nuclear power technology because they are smaller than conventional reactors and can be manufactured in factories, making nuclear power stations cheaper and faster to build. (zerohedge.com)
The technology is not yet fully developed but SMRs are expected to be more flexible, involve lower costs and entail fewer risks compared to large-scale reactors. (lu.se)
RQ4: How can the understanding and current preparedness for radiological and nuclear (RN) events be developed for SMRs in a Swedish context? (lu.se)
With help from nuclear consultants from WSP, the focus of this thesis project has been to establish a process for evaluating geographical considerations and different counties' energy needs in Norway for a site selection for SMRs. (lu.se)

In exchange for the reactors and fuel oil, North Korea agreed to freeze its operating five-megawatt nuclear reactor, along with two others under construction and their related facilities. (armscontrol.org)
The five megawatt reactor at the Yongbyon facility was used to produce fissile material for Pyongyang's nuclear weapons tests in 2006 and 2009. (voanews.com)

At the time of the earthquake on March 11, three reactors were operational. (cbc.ca)
Fires at the building housing reactor No. 4, which was shut down at the time of the earthquake, raised a new set of concerns regarding spent nuclear fuel. (ieee.org)
At the time of the earthquake, three reactors were active and three were down for routine maintenance. (ieee.org)

Pyongyang responded to the fuel shipments suspension by restarting its plutonium reactor and announcing its withdrawal from the nuclear Nonproliferation Treaty. (armscontrol.org)
On Tuesday, North Korea announced it would restart the plutonium reactor it had shut down in 2007. (voanews.com)

Explosions at the plant and the failure of the systems used to cool its reactors heightened the risk of a meltdown. (cbc.ca)
The force of the earthquake and the resulting tsunami damaged three nuclear reactors causing explosions, fires and leakage of radiation . (cdc.gov)

It is more difficult to use LWRs to produce fissile material for nuclear weapons. (armscontrol.org)
Urnium enrichment can also be used to produce fissile material for nuclear weapons. (armscontrol.org)
North Korea could restart the Yongbyon nuclear reactor in four to six months and produce enough fissile material for a nuclear weapon in less than two years, according to a former U.N. Nuclear monitoring official. (voanews.com)
According to the company, the hydride reactor would use uranium hydride, which combines the fissile material with the moderator in the same compartment. (powermag.com)

TOKYO (AP) - Japanese Prime Minister Fumio Kishida on Wednesday instructed his government to consider developing safer, smaller nuclear reactors, signaling a renewed emphasis on nuclear energy years after many of the country's plants were shut down. (ktar.com)
The focus on small nuclear reactors is part of the country's efforts to produce more zero-emission energy domestically. (zerohedge.com)
A 2012 YouGov poll showed 63 percent of U.K. respondents agreed nuclear reactors should be part of the country's energy mix, up from 61 percent in 2010. (dailycaller.com)

The independently owned plants represented are all modern Westinghouse pressurised water reactors located within the same Nuclear Regulatory Commission administrative region. (world-nuclear-news.org)
Though the resurgence of interest in nuclear power in recent years has spurred development of an assortment of reactor designs, emphasis has mostly been on those with capacities to produce thousands of megawatt-hours of baseload power, as is the case with designs from General Electric, AREVA, Westinghouse, and Mitsubishi that are under active review by the U.S. Nuclear Regulatory Commission (NRC). (powermag.com)
For the past two years, Toshiba - the Japanese conglomerate that owns Westinghouse - has been working on the 4S (super-safe, small, and simple) reactor, a unit that it claims could produce power for as little as $0.05 per kWh. (powermag.com)
Contractor delays, rework projects, the inability to complete tasks on time and the bankruptcy of reactor designer Westinghouse Electric Co. LLC have more than doubled the project's costs. (environmentamerica.org)

Are Mini-Reactors The Future Of Nuclear Power? (wunc.org)

For fuel plants see List of Nuclear Reprocessing Plants. (wikipedia.org)
The Canadian Nuclear Safety Commission (CNSC) has made numerous assurances regarding the safety of plants in this country. (cbc.ca)
CNSC has said that if an earthquake or similar disaster happened here, Canadian nuclear plants would be safe because the pressurized heavy-water used at Candu reactors is effective at cooling the reactor core. (cbc.ca)
Candu reactors have been sold to nuclear plants in Romania, China and South Korea. (cbc.ca)
Across the U.S. nuclear energy sector, plant owners are seeking -- and gaining -- NRC approval to run first-generation plants for 20 years beyond the original license period. (scientificamerican.com)
NRC Region I Administrator Samuel Collins said the annual meeting was not a formal inspection review but instead a more freewheeling conversation about how CENG was handling reactor safety across the three nuclear plants it operates with its new French partner, EDF. (scientificamerican.com)
The government, however, previously insisted it was not considering building new plants or replacing aged reactors, apparently to avoid stoking criticism from a wary public. (ktar.com)
I could have agreed with you if it was possible to guarantee perfect operation of nuclear power plants. (allegro.cc)
They also pollute way more than nuclear plants, though their pollution isn't that radioactive, it just causes global warming that will eventually screw us all. (allegro.cc)
Mind you, there are a hell of a lot more cars than nuclear power plants and nuclear bomb sites. (allegro.cc)
That puts 34 of the nation's 61 plants out of the money, with almost all of the merchant reactors owned by Exelon Corp., Entergy Corp. and FirstEnergy Corp. appearing to be below break-even, he said. (newsmax.com)
Entergy declined to comment on the profitability of its individual plants but said merchant nuclear generators selling power into wholesale markets are facing "financial challenges due to sustained wholesale power price declines and other unfavorable market conditions. (newsmax.com)
Great British Nuclear (GBN) is expected to drive the rapid expansion of new nuclear power plants in the UK, to boost UK energy security, reduce dependence on fossil fuel imports, create more affordable power, and grow the economy. (zerohedge.com)
While backing SMR technology, the UK is not giving up on conventional nuclear reactors and remains committed to the mega projects of Hinkley Point C and Sizewell C. The government will work with GBN to consider the potential role of further large gigawatt-scale nuclear power plants in the UK energy mix, the government said today. (zerohedge.com)
Following more than a year of development, STARS Alliance LLC has achieved legal identity after the chief nuclear officers of seven US plants added their signatures to official paperwork. (world-nuclear-news.org)
Lyons pictures churning reactors out in factories, shipping them to utilities to replace aging coal plants or selling them to developing countries - which can't afford a full-scale $15 billion nuclear plant. (wunc.org)
Nuclear power is a technology which is much more suited for large plants, centralized and isolated from populated areas in as small a number of places as possible," Lyman says. (wunc.org)
Evidence shows that there are cheaper, cleaner and safer ways to keep the lights on than building new nuclear plants. (environmentamerica.org)
Existing power generation sites using fossil fuel (e.g., coal plants) could be repurposed for nuclear power generation. (homelandsecuritynewswire.com)
Basic safety principles for nuclear power plants : a report / by the International Nuclear Safety Advisory Group. (who.int)
Manual on quality assurance for computer software related to the safety of nuclear power plants. (who.int)
A cohort mortality study of chemical laboratory workers at Department of Energy Nuclear Plants. (cdc.gov)

In May last, the government had announced the establishment of a research reactor in PPP mode for production of medical isotopes as a part of Atmanirbhar Bharat initiatives for the DAE. (deccanherald.com)
With Tehran insisting the reactor would create isotopes for medical and agricultural use, it has also made efforts in recent months to allay relating concerns by agreeing to submit to the UN nuclear watchdog updated design information and finalise a safeguards mechanism for it. (jordantimes.com)

It aims to restart seven other reactors after next summer and to further prolong the operational life of aging reactors to beyond 60 years from the initial 40 years. (ktar.com)
The reactors are among the seven that the government wants to quickly restart. (ktar.com)

The Point Lepreau nuclear station in New Brunswick uses the Candu reactor technology, developed by Atomic Energy of Canada Ltd. (cbc.ca)
Nuclear energy is produced through the splitting, or fission, of the uranium 235 (U-235) isotope. (cbc.ca)
Developed in 1990 by the International Atomic Energy Agency, the INES is used to communicate the severity of a nuclear event to the public. (cbc.ca)
On Nov. 4, 2008, two divers were cleaning sludge and silt from an entry bay for water pumps that serve Constellation Energy Nuclear Group's Nine Mile Point nuclear power plant near Oswego, N.Y. (scientificamerican.com)
Two companies based in Saint John, ARC Clean Energy and Moltex Energy, have received tens of millions of dollars in taxpayer funding to develop reactors. (cbc.ca)
Nuclear energy does not emit carbon dioxide that causes climate change, though environmentalists have flagged safety and long-term waste concerns. (cbc.ca)
The sheer amount of knowledge that these papers contain amazes me - only eight years after Chadwick discovered that a neutron even existed, these scientists are already looking at how to use neutrons to bring about nuclear fission and energy. (bbc.co.uk)
Energy Secretary Ernest Moniz on Wednesday announced the approval of a multibillion-dollar loan guarantee for the first nuclear reactors to be built in the U.S. in nearly 30 years. (reason.com)
Moniz touted the new reactors as a commitment to the administration's "all of the above" energy strategy and carbon emissions goals. (reason.com)
The government has already announced plans to speed up restarts and have up to nine reactors restarted by winter to cope with the energy crunch. (ktar.com)
Toyoshi Fuketa, commissioner of Japan's nuclear watchdog, the Nuclear Safety Authority, told reporters on Wednesday that his agency's safety standards are not affected by the government's nuclear energy policy. (ktar.com)
The disaster was down-played by the British government and the UK Atomic Energy Agency, because of concerns that it would jeopardise plans to collaborate with the US on nuclear weapons research. (cnduk.org)
The principals in charge will be supported by a utility technical group - consisting of operational leaders from Purdue and Duke Energy - and a nuclear technical advisory group - consisting of technical specialists in nuclear energy from Purdue and the private sector. (purdue.edu)
Bill Lee, a professor of materials in extreme environments, and Michael Rushton, a senior lecturer in nuclear energy, argue that the plan by the Committee on Climate Change, which advises the U.K. government on the effort to reach net-zero emissions by 2050, is "strangely silent on nuclear power. (ans.org)
I got into nuclear engineering when I realized I could apply my passion for computers to the critical human challenge of energy. (ans.org)
More than half of America's nuclear reactors are bleeding cash, racking up losses totaling about $2.9 billion a year, based on a Bloomberg New Energy Finance analysis. (newsmax.com)
Meanwhile, Bloomberg New Energy Finance warned in its report Wednesday that shutting all uneconomic reactors in the U.S. would "easily vanquish" all emissions reductions the sector has made since 2012. (newsmax.com)
Colombo (AsiaNews) - Sri Lanka is seeking alternative energy sources to meet its needs and has discussed nuclear energy cooperation with Russia. (asianews.it)
With respect to the talks, the Russian embassy twitted: "The meeting focused on the requirements of Sri Lanka's energy sector, such as the fuel, refinery operations, coal supply and cooperation in nuclear energy. (asianews.it)
Minister Wijesekera echoed these words citing a "memorandum of understanding signed for nuclear energy cooperation with Rosatom", Russia's state-owned company specialised in nuclear energy and high-tech products. (asianews.it)
Sri Lanka's interest in peaceful nuclear energy cooperation with Russia goes back to January 2018, when the two countries held talks. (asianews.it)
Last year, the UK decided to revitalize its nuclear energy industry to secure more zero-emission power generated in the country. (zerohedge.com)
The agreement drafted by China calls for North Korea to freeze key weapons-related facilities, including a 5-megawatt nuclear reactor, within two months in return for energy aid, South Korea's Yonhap news agency quoted sources as saying. (pravda.ru)
North Korea and the U.S. agreed in 1994 for Pyongyang to freeze its plutonium-based nuclear reactor in exchange for energy aid. (pravda.ru)
Taylor Wilson believes nuclear fusion is a solution to our future energy needs, and that kids can change the world. (ted.com)
Members of the alliance include Callaway Energy Center (Missouri), Comanche Peak Nuclear Power Plant (Texas), Diablo Canyon Power Plant (California), Palo Verde Nuclear Generating Station (Arizona), San Onofre Nuclear Generating Station (California) South Texas Nuclear Operating Company (Texas) and Wolf Creek Nuclear Operating Corporation (Kansas). (world-nuclear-news.org)
Very cool, I have such a ' nuclear energy' pmphlet. (blogspot.com)
In November, the Energy Department invested in Babcock & Wilcox mPower, the nuclear company that built the prototype in Virginia. (wunc.org)
solvers also performed better than an Arnoldi eigenvalue solver for a reactor benchmark problem when energy decomposition is needed. (osti.gov)
A team from Seoul National University and the Korea Institute of Fusion Energy experimented with the reactor at the Korea Superconducting Tokamak Advanced Research (KSTAR), managing to achieve an improved technique for containing the plasma at the core of the reactor. (independent.co.uk)
The process has been hailed as the "holy grail" of clean energy, as it requires no fossil fuels and leaves behind no hazardous waste unlike current nuclear energy production methods. (independent.co.uk)
WATE ) - The Tennessee Valley Authority made an announcement in Washington D.C. about the future of nuclear energy, alongside leaders from other energy companies. (wate.com)
The site will be an example for future sites, Assistant Secretary of the Office of Nuclear Energy Dr. Kathryn Huff said. (wate.com)
Earlier this month, Governor Bill Lee spoke at the site of Clinch River Nuclear Site, which he referred to as the "Future of energy in America. (wate.com)
I will continue to fight in Congress for more federal support to expand nuclear energy nationwide," Rep. Chuck Fleischmann tweeted . (wate.com)
The report makes recommendations for the U.S. Department of Energy, the Nuclear Regulatory Commission, other federal and state agencies, and private industry to lay the groundwork required for advanced reactors to become a viable part of the U.S. energy system. (homelandsecuritynewswire.com)
Innovative ideas for reactors, if fulfilled, may provide on-demand power generation to complement variable sources of energy, such as solar and wind energy, and help decarbonize challenging industrial sectors by providing high-temperature heat for chemical processes, such as hydrogen production. (homelandsecuritynewswire.com)
The strategy of the inertial confinement reactor is to put such high energy density into a small pellet of deuterium-tritium that it fuses in such a short time that it can't move appreciably. (gsu.edu)
The premier research organization of the Department of Atomic Energy (DAE) is ready to share the technology of production of a variety of nuclear medicines. (deccanherald.com)
By last Friday all five NRC commissioners had made public their unanimous votes to order nuclear energy utilities to establish a mitigation strategy for beyond-design-basis external events as well as to enhance Mark I and Mark II boiling water reactor venting systems and used fuel pool instrumentation. (enewspf.com)
He said a strong nuclear safety culture should be encouraged at nuclear energy facilities. (enewspf.com)
A majority of prefecture governors and town mayors within 18 miles of nuclear energy facilities that have been shut down for inspections are in favor of restarting them, provided certain conditions are met, according to a survey conducted by Japan's Mainichi Daily News. (enewspf.com)
Nuclear power performance and safety : proceedings of an International Conference on Nuclear Power Performance and Safety, Vienna, 28 September-2 October 1987 / organized by the International Atomic Energy Agency. (who.int)

Researchers at the Massachusetts Institute of Technology and Exelon show that by turning the nuclear fuel assembly design process into a game , an artificial intelligence system can be trained to generate dozens of optimal configurations that can make each fuel rod last about 5 percent longer, saving a typical power plant an estimated $3 million a year, the researchers report. (ans.org)
The United Kingdom needs to start rebuilding its capacity to generate nuclear power , according to an opinion article published Wednesday on The Conversation by two members of the U.K.-based Bangor University faculty. (ans.org)
The nuclear industry is estimated to generate around $7.9 billion (£6 billion) for the UK economy, the government says. (zerohedge.com)
They'll generate about one-tenth the power of a typical nuclear power plant. (wunc.org)

Results of search for 'su:{Nuclear reactors. (who.int)

Former N.B. Power president Gaëtan Thomas warned the small reactors may not be ready in time for the end of coal-fired generation at Belledune. (cbc.ca)
And the reactors will be small enough to build in a factory and ship on trucks, like prefabricated houses. (wunc.org)
One of the features of these small reactors is that they can be entirely manufactured here in the United States," Lyons said. (wunc.org)
Lyman says small reactors carry a host of safety, security, environmental and economic concerns. (wunc.org)
But the industry counters that these reactors are so small and self-contained, they are almost "plug and play. (wunc.org)
And now, as it turns out, the regulatory agency could soon also review and certify nuclear outfits outside the standard small to XXL sizes - those sized XS petite. (powermag.com)
The plan of the partnership is to advance the global deployment of the GEB BWRK-300 Small Nuclear Reactor. (wate.com)
Small reactors or microreactors could be transported to meet off-grid emergency needs. (homelandsecuritynewswire.com)
Western governments have monitored the small research reactor with alarm in the past few years over concerns Tehran could theoretically extract weapons-grade plutonium from its spent fuel if it also builds a reprocessing facility. (jordantimes.com)

A reactor needs uranium, a moderator to slow fast-moving neutrons, a coolant to absorb heat released during the reaction, and a system for shielding radiation. (cbc.ca)
The Candu reactor is surrounded by a thick wall designed to absorb dangerous radiation generated during the fission reaction. (cbc.ca)
By using a combination of physics-based modeling and advanced simulations, Texas A&M University researchers say they have found the key underlying factors that cause radiation damage to nuclear reactors, which could provide insight into designing more radiation-tolerant, high-performance materials. (ans.org)
The university is in the process of repairing the leak and has notified the U.S. Nuclear Regulatory Commission, North Carolina Radiation Protection Division and North Carolina Division of Water Quality about it, Nichols said. (wral.com)
Did you know that the Russian nuclear submachines run the radioactive cooling water from the reacter is heated up by reacter and sent though out the sub to give heat and possibly radiation to the occupants of the sub. (blogspot.com)
It has not, apparently, damaged the reactor itself or the containment vessel and authorities said radiation levels were normal around it. (planetsave.com)

The reactor is best thought of as a giant tank filled with heavy water and a series of half-metre-long fuel rods bundled into what are called fuel assemblies. (cbc.ca)
In order to further control the fission process, solid cadmium rods that absorb unwanted neutrons are inserted into the reactor tank, perpendicular to the fuel assemblies. (cbc.ca)
In this AI-designed layout for a boiling water reactor, fuel rods are ideally positioned around two fixed water rods to burn more efficiently. (ans.org)
NISA is reportedly also considering opening a hole in the reactor housing building to release hydrogen generated by the exposed fuel rods. (planetsave.com)
Tepco said it is removing seven unspent nuclear fuel rods from the reactor's pool. (breakingnewsenglish.com)

Japan's Nuclear Regulations Agency, to be established April 1 as the successor to the Nuclear and Industrial Safety Agency, will be headed by a "non-bureaucrat," said Goshi Hosono, nuclear power and environment minister. (enewspf.com)

The hydrogen atom, as present in ordinary water, is almost exactly the same size as the fast-moving neutrons created by nuclear fission. (cbc.ca)
However, a regular hydrogen atom can also absorb the neutron, decreasing the likelihood of fission, which is why Candu reactors use the hydrogen isotope deuterium, known as heavy water. (cbc.ca)

The United States had pushed to end the project altogether, but South Korea, which is funding and building the reactors along with Japan, favored a suspension, citing public support, its financial investment, and the need to continue the project if it becomes part of a settlement with North Korea. (armscontrol.org)
North Korea has demanded for some time that the reactors be completed as part of a settlement to the nuclear crisis. (armscontrol.org)
The United States set up KEDO to implement the reactor project and supply 500,000 metric tons of heavy-fuel oil each year to North Korea as part of the Agreed Framework between the two countries. (armscontrol.org)
The decision to suspend the reactor project comes just more than a year after KEDO suspended shipments of heavy-fuel oil in reaction to U.S. claims that, during an October meeting with a U.S. delegation, North Korea admitted to having a clandestine uranium-enrichment program. (armscontrol.org)
North Korea has since claimed it has completed reprocessing the spent fuel and implied that it is using it to construct nuclear weapons. (armscontrol.org)
Reacting to a Nov. 4 KEDO announcement that the board was considering suspending the project, a North Korean Foreign Ministry spokesman argued Nov. 6 that KEDO should compensate North Korea for the reactors and said North Korea would "never allow" KEDO to remove "all the [reactor project's] equipment, facilities, materials and technical documents. (armscontrol.org)
Heinonen, former head of the nuclear watchdog's safeguards department, said he could not rule out the possibility that North Korea had additional, undisclosed nuclear reactors. (voanews.com)
Officials from six nations met on Friday to discuss a draft agreement that would reportedly require North Korea to freeze key elements of its nuclear weapons programme within two months. (pravda.ru)
Hill was expected to meet his North Korean counterpart Kim Kye Gwan, who on Thursday said North Korea would discuss 'early steps' in implementing a September 2005 joint statement of principles for ending its nuclear programme. (pravda.ru)

As the team tried to cope with that problem, a smaller piece of the unattended free end of the hose was pulled into a second water pump, according to an inspection report by the Nuclear Regulatory Commission . (scientificamerican.com)
Together with the smaller OL1 and OL2 reactors, each producing close to 900 megawatt, TVO's Olkiluoto facilities accounted for around 40% of Finland's power output early on Friday, the company said. (zawya.com)
This is a research reactor and considerably smaller than a commercial power reactor," said Gerry Wicks, the university's reactor health physicist. (wral.com)
In 2010, however, the NRC plans to review designs for smaller reactors, such as the International Reactor Innovative and Secure (IRIS), a 335-MWe reactor that has been under development for several years by an international consortium and is thought to be a better fit to meet the power needs of developing countries. (powermag.com)

Each reactor can power 500,000 homes and businesses without releasing any carbon. (foxnews.com)

Major portions or even the entirety of the reactor system could be produced in factories, potentially reducing project costs and uncertainties and increasing quality. (homelandsecuritynewswire.com)

Development, testing, and widespread deployment of these reactors could occur over several decades. (homelandsecuritynewswire.com)

Demands on the reactor and its staff to produce material for Britain's first thermonuclear bomb are likely to have contributed to the accident . (cnduk.org)
The facility - whose remaining components Iran cannot commission or install under an interim agreement struck in November - is of international concern as it could theoretically give Tehran a second route to a nuclear bomb. (jordantimes.com)
Trace levels of plutonium can be found in the environment, from past nuclear bomb tests. (cdc.gov)

The Obama administration considers the 104 U.S. reactors a cornerstone of the nation's long-term quest to reduce carbon dioxide emissions . (scientificamerican.com)
The announcement came after Pyongyang's Workers' Party vowed to keep nuclear weapons, describing them as the "nation's life. (voanews.com)

This is analogous to the core in a nuclear plant where the fission reaction takes place," Lee says. (wunc.org)

What sets apart a Candu reactor? (cbc.ca)
Candu reactors use heavy water (deuterium oxide) to improve the likelihood of a chain reaction. (cbc.ca)
The reactors in Japan are not Candu reactors. (cbc.ca)
How does a Candu reactor work? (cbc.ca)

Heinonen said the exact time frame for re-starting operations at the Yongbyon reactor is difficult to determine because information about the facility is sparse. (voanews.com)
In April, 2009, the North hastily called off all cooperation with the U.N.'s nuclear monitoring watchdog, ordering all inspectors at the Yongbyon facility to leave immediately. (voanews.com)

This is a list of all the commercial nuclear reactors in the world, sorted by country, with operational status. (wikipedia.org)

Southern Company, which received a conditional green light for an $8.3 billion loan guarantee in February 2010, will be getting $6.5 of that pot for two new reactors at its Vogtle plant in Waynesboro, Ga. (reason.com)
But even as government officials and some utilities are again looking to nuclear power to alleviate climate change, the cost of Vogtle could discourage utilities from pursuing nuclear power. (foxnews.com)
Georgia Power says it has spent $10.2 billion on its share of construction for Vogtle Units 3 and 4, built alongside two earlier reactors. (foxnews.com)
ATLANTA - The only nuclear reactors under construction in the United States are now projected to cost more than $30 billion - and the price tag for Plant Vogtle near Augusta, Georgia, doesn't even include $3.68 billion that the project's original contractor paid to the owners after going bankrupt. (environmentamerica.org)
The cost overruns and delays at Plant Vogtle should be a cautionary tale to the rest of the country when it comes to building new nuclear reactors. (environmentamerica.org)

As the first week of the nuclear crisis came to a close, the spent fuel had become the primary safety concern. (ieee.org)
Let's start at the heart of a boiling water reactor where the nuclear fuel dwells. (ieee.org)
The agreement also provided for the storage and monitoring of the reactors' spent fuel, as well as its eventual removal. (armscontrol.org)
In September 2005, negotiators agreed on a joint statement -- a sketch map of the nuclear disarmament steps Pyongyang needed to take to secure fuel and economic aid, as well as political acceptance from its longtime adversary, the United States. (pravda.ru)
Tepco started the removal of the nuclear fuel on Monday, five years behind schedule. (breakingnewsenglish.com)
Plutonium is also released to the environment from research facilities, waste disposal, nuclear fuel reprocessing facilities, nuclear weapons production facilities, and accidents at facilities where plutonium is used. (cdc.gov)
Depleted uranium may also be produced in the reprocessing of spent nuclear reactor fuel. (who.int)

The results appear in the journal Nuclear Engineering and Design . (ans.org)
He also served as chief scientific adviser in the design of the U.S.S. Nautilus , the first nuclear-powered submarine . (britannica.com)
After training, I spent the past 13-plus years building automated and integrated engineering analysis tools for the efficient design/licensing of advanced nuclear reactors. (ans.org)
Addit: For the very keen, MIT has lecture notes and slides (I haven't looked) for the Integration of Reactor Design, Operations, and Safety course available. (blogspot.com)
It's simulated because the design still needs Nuclear Regulatory Commission approval. (wunc.org)
The Bhabha Atomic Research Centre (BARC) in Mumbai has evolved a design for the first public-private partnership (PPP) research reactor for production of nuclear medicines. (deccanherald.com)

Super Phénix: Creys-Malville Nuclear Power Station, River Rhone (Sur le Rhone) Creys-Malville, Isere, France, Centrale Nucleaire Europeenne a Neutrons rapides SA. (blogspot.com)

One of the two reactors at Britain's first nuclear plant, used to produce plutonium for Britain's nuclear weapons programme, caught fire and burned for two days, dispersing poisonous radioactive smoke over Britain, Northern Ireland and northern Europe. (cnduk.org)
Monday related to its ballistic missile programme, nuclear sites and uranium enrichment ahead of fresh nuclear talks with world powers. (jordantimes.com)

An earthquake caused the reactors at the plant to shut down, automatically activating the emergency generators. (cnduk.org)

In the third week, further discoveries of highly radioactive water outside the reactor buildings showed that the contamination was spreading. (ieee.org)

Instructions on how to build a nuclear reactor have been revealed from five sealed envelopes that have lain hidden for almost 70 years. (bbc.co.uk)
I can see why these papers were locked away during the war - they contain details that could be used to build a nuclear reactor. (bbc.co.uk)
The U.K.'s previous attempt to build a nuclear power plant with the exact same Chinese company didn't got well. (dailycaller.com)

BNamericas - The Embalse Nuclear Power Plant returns to s. (wikipedia.org)
A sudden blockage of cooling water is one of the potential nightmares that nuclear power plant operators and regulators fear most. (scientificamerican.com)
They also say Russia's attacks on a nuclear plant in Ukraine show they are a potential security risk and need to be better protected. (ktar.com)
A loss of coolant water to a reactor core at the nuclear power plant caused it to partially melt down, releasing radioactive gases into the atmosphere. (cnduk.org)
Snupps (Standardized Nuclear Unit Power Plant System): Kansas City Power & Light Co., Burlington, Kansas. (blogspot.com)
Guangdong Nuclear Power Plant: Twin unit PWR station located at Daya Bay, People's Republic of China. (blogspot.com)
I have a friend who used to manage a Nuclear Plant near Pittsburg. (blogspot.com)
Residential customers of Georgia's largest electrical utility could see their bills rise $9 more a month to pay for a new nuclear power plant under a deal announced Wednesday. (foxnews.com)
My feeling is that if you're going to have a nuclear power plant, it'd better be a Rolls Royce," he says. (wunc.org)
He says every nuclear power plant is a target for terrorism or is at risk during a disaster. (wunc.org)
It's a developing country that doesn't have a substantial electrical grid that is precisely the kind of country I would not want to see have any kind of nuclear power plant," he says. (wunc.org)
NHK World reports, as fears grow over the safety of the nuclear plant continues. (planetsave.com)
British Prime Minister Theresa May almost cancelled a previous China-backed nuclear power plant at Hinkley Point due to its high costs and environmentalist opposition. (dailycaller.com)
The U.S. charged the Chinese company behind the Hinkley Point plant with nuclear espionage in August . (dailycaller.com)
Tepco is the company that operates the nuclear power plant. (breakingnewsenglish.com)
The report blamed the Nuclear and Industrial Safety Agency for failing to adequately train its staff in safety procedures, TEPCO for not responding quickly enough to the emergency, and former Prime Minister Naoto Kan for directly interfering in plant operations. (enewspf.com)
It is certainly an interesting idea to consider, and worthy of a homework problem in an advanced reactor and power plant course. (physicsforums.com)

In the wake of the damage caused to nuclear facilities in Japan by the recent earthquake and tsunami, we look at how nuclear reactors work and the associated dangers. (cbc.ca)

Babcock & Wilcox says its nuclear reactor facilities won't have the trademark cooling towers of traditional nuclear reactors. (wunc.org)

From that perspective, we will also consider all options regarding nuclear power. (ktar.com)

World Nuclear News. (wikipedia.org)

For non-power reactors, see List of nuclear research reactors. (wikipedia.org)
It is in operation about 1,000 hours annually for nuclear research, the school said. (wral.com)
At the same time, the large scale and the technology being deployed for the planned research reactor will enable India to not only become a significant global player in the growing nuclear medicine market, but also have one of the most modern research reactors anywhere in the world. (deccanherald.com)
a planned research reactor to sharply cut its potential output of plutonium, a senior Iranian official said in comments that seemed to address a thorny issue in negotiations with big powers. (jordantimes.com)
The ORR's mis- sion was to research, develop, and produce special radioactive materials for nuclear weapons. (cdc.gov)
Since the end of World War II, the role of the ORR has broadened to include a variety of nuclear research and production projects essen- tial to national security. (cdc.gov)

The reactor room at Babcock & Wilcox's prototype reactor outside Lynchburg, Va. The reactor vessel is behind the orange curtain. (wunc.org)
This is our simulated reactor vessel. (wunc.org)

The ANS Education, Training and Workforce Development Division hosted a webinar titled "Securing a Strong Workforce for the Next Generation of Reactors" on March 16. (ans.org)
The ANS Education, Training and Workforce Development Division is hosting a webinar titled "Securing a Strong Workforce for the Next Generation of Reactors," to be held on Wednesday, March 16, from 12:30 p.m. to 2:00 p.m. (ans.org)
What skills are most needed in the advanced reactor workforce? (ans.org)

The Nuclear Regulatory Commission inspected the reactor in February and found no significant issues. (wral.com)
New and advanced types of nuclear reactors could play an important role in helping the U.S. meet its long-term climate goals, but a range of technical, regulatory, economic, and societal challenges must first be overcome. (homelandsecuritynewswire.com)
New and advanced types of nuclear reactors could play an important role in helping the U.S. meet its long-term climate goals, but a range of technical, regulatory, economic, and societal challenges must first be overcome, says a new report from the National Academies of Sciences, Engineering, and Medicine . (homelandsecuritynewswire.com)

The incident did not create a safety threat to Nine Mile Point's No. 2 reactor, the NRC concluded. (scientificamerican.com)
NRC Chairman Gregory Jaczko said in November that while improving performance measures indicate that U.S. reactors are being operated safely, the industry must guard against 'distraction and complacency' in meeting safety and security goals. (scientificamerican.com)
He said the panel presented proposals for the development and construction of "new innovative reactors designed with new safety mechanisms. (ktar.com)
Japanese utilities have since set more than 20 reactors for decommissioning, largely because of the high cost of safety measures. (ktar.com)
Of the 33 workable reactors, 25 have been screened for safety checks by the Nuclear Safety Authority. (ktar.com)
Nuclear safety review. (who.int)

But the tsunami which followed the earthquake flooded the rooms in which the emergency generator was housed, cutting power to the pumps which circulate cooling water to stop the reactors from over-heating. (cnduk.org)

Last month Duke and Progress completed a merger that brought 12 nuclear reactors under one banner, while Exelon and Constellation finalised their merger in March, bringing common ownership interests to some 22 reactors. (world-nuclear-news.org)

Anatomy1

Organisms8

Diseases1

Chemicals and Drugs15

Analytical, Diagnostic and Therapeutic Techniques and Equipment2

Phenomena and Processes8

Disciplines and Occupations1

Technology, Industry, Agriculture3

Information Science1

Health Care15

Geographicals1

Enriched uranium3

Light-water nuclear reactors2

Fukushima21

20231

Next-generation reactors3

Modular14

IAEA9

Electricity11

SMRs6

Five-megawatt2

Time of the earthquake3

Plutonium reactor2

Explosions2

Fissile material4

Country's3

Westinghouse4

Future of nuclear power1

Plants22

Isotopes2

Restart2

Energy43

Generate4

Search1

Small9

Radiation6

Rods5

Japan's1

Hydrogen2

North Korea9

Smaller4

500,0001

Factories1

Deployment1

Bomb3

Nation's2

Fission reaction1

Candu4

Yongbyon2

Operational1

Vogtle5

Fuel7

Design6

Neutrons1

Programme2

Shut1

Radioactive water1

Build a nuclear3

Plant17

Earthquake and tsunami1

Traditional nuclear1

Regarding nuclear power1

World Nuclear News1

Research6

Vessel2

Workforce3

Regulatory3

Safety6

Tsunami1

Exelon1