Sentences with phrase «reactor building»

Then workers removed debris from atop the damaged reactor building.

«There's going to be a thousand reactors built over the next 50 years,» he said.

With all due respect to your efforts and experience, no one is suggesting new 50 - year old reactor builds.

From the 1960s till the Three Mile Island accident in 1979, Babcock made many of the heavy nuclear components for the 104 commercial nuclear reactors built in the U.S. Babcock also designed and built components for the Nimitz ‐ class nuclear powered aircraft carriers first built in 1966.

Eventually, the plant must be decommissioned, a process with which even the experts have little experience, as most nuclear reactors built in this country are still in operation.

If the UK manages to get about 16 new large reactors built by the end of the 2020's (which the Climate Change Committee described as «not challenging»), that combined with on and off shore wind may well see a genuinely low emission electricity supply by 2030.

They also list the killing of Iranian nuclear scientists in Iran and elsewhere, the Stuxnet cyber-attack on Iranian computer systems related to the Islamic republic's nuclear program, and the 2007 destruction of a Syrian plutonium reactor built with the help of Iran and North Korea.

The PRISM reactor builds on this sodium - cooled reactor experience first pioneered in 1951 to turn the binding energy of the atom into electrical energy.

Babcock was one of the suppliers to virtually all 104 commercial reactors built in the U.S.. However, U.S. utility companies stopped building new nuclear reactors after the Three Mile Island accident in 1979.

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 Robotics Institute and Whittaker have extensive experience with robots in nuclear facilities, including the design and construction of robots to aid with the cleanup of the damaged Three Mile Island reactor building in Pennsylvania and the crippled Chernobyl reactor in Ukraine.

After all, the first reactor built at Qinshan back in 1990 — the first reactor ever designed and constructed entirely by the Chinese — had to be torn down and rebuilt because of faults in the foundation as well as defects in the welding of the steel vessel that contained the reactor itself.

American builders could base their estimates on reactors built recently in Asia, but no one really knows how a project in Texas or Florida might compare with one in Japan or South Korea.

A robust, low - profile, seismic Category 1 reactor building encases all reactor modules, the spent fuel pool, and all safety systems, and can withstand aircraft impact.

These efforts include installing a 30 - ton detector system (with shielding) in an operating research reactor building as close as 21 feet to the reactor core without affecting HFIR's primary missions of neutron scattering research, isotope production and testing of irradiated materials.

Beyond Idaho, I cruised into Washington, visiting Spokane and the Coulee dam, following the highways through more spectacular terrain down to the Hanford Reach National Monument, site of a secret nuclear reactor built during World War 2.

Yet not even the speedy Chinese are likely to get a sizable reactor built before the 2020s, and that is true for the other nuclear projects as well.

The last new U.S. nuclear power reactor built went into operation in 1996, but construction on that unit began before the Three Mile Island incident in 1979 helped slam the brakes on the industry's first phase of widespread growth.

The operator of Japan's wrecked Fukushima nuclear plant completed on Thursday the removal of the first fuel rods from a cooling pool high up in a badly damaged reactor building, a rare success in the often fraught battle to control the site.

The average construction time of a new reactor in 2015 was 73 months, compared to an average 82.5 months for all civil nuclear reactors built over the past 60 years, according to the report.

And Areva insists it is far safer and more economical than reactors built in the past century.

In fact, throughout the first week of the Fukushima crisis, emergency workers tried to figure out a way to open up a larger hole in the Unit 2 reactor building, which had not suffered an explosion, to allow better access to inject cooling water without creating the kind of spark that might cause another hydrogen blast.

«Instead of a natural tsunami triggering reactor meltdowns, this «fix» induces a man - made tsunami inside the reactor building that leads to the same outcome,» Lochbaum argues.

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.

The U.S. has 23 reactors with the same kind of safety systems — and the same risky placement of pools for spent nuclear fuel, namely, alongside the main reactor in the top of the reactor building.

By March 14, hydrogen gas explosions captured live on television had blown out the walls and roofs of the Unit 1 and 3 reactor buildings.

ULSES: «It was my, I think both of us believe that one of the sources, that it wouldn't, it wasn't like the other two loud sounds with Unit 1 and 3 when the reactor building blew.

As NRC staff noted during the Fukushima emergency, when there was concern that the spent - fuel pool at Unit 4 may have lost its cooling water as well as been damaged by the reactor building explosion, adding cold water to already hot fuel can create a problem in its own right.

A minute quantity of radioactive gas was intentionally vented from the reactor building, but several independent, peer - reviewed studies have not ascertained any health effects attributable to exposure.

A crane lifts a panel — part of a temporary canopy — to gauge the effects of dust suppression inside the wreckage of Fukushima Daiichi's Unit 1 reactor building.

Because they were positioned at ground level, the devices could not image the reactor building basements and so could not pin down where the fuel is or its condition.

«The hydrogen accumulates outside of containment but inside the reactor building.

It made a mess in the reactor building but never posed a threat to the integrity of the reactor, and no one was injured or irradiated.

But the complex structure of the reactor buildings» ground and upper floors, with many staircases and thick concrete walls, challenged robot mobility and wireless communications.

Quince explored the upper floors of the Unit 2 reactor building.

More sophisticated versions, dubbed Rosemary and Sakura, were also sent into the reactor buildings.

The radiation and temperature maps made by the PackBots and two iRobot 710 Kobra bots allowed TEPCO workers to plot paths for quick forays into the reactor buildings with the least radiation exposures, says iRobot Vice President Tim Trainer in Bedford, Massachusetts.

The PackBot droids explored the ground floors of the Unit 1 and Unit 3 reactor buildings, and found maximum radiation levels of tens of millisieverts (mSv) per hour.

At the same time they hired Motojima to get the reactor built on time and within budget.

Images aired on TV showed cranes lifting two of the 1535 fuel units from the No 4 reactor building.

Three reactors — Units 1, 2, and 3 — sustained severe core damage, and three reactor buildings — Units 1, 3, and 4 — were damaged by hydrogen explosions.

The dome of the reactor building was put in place in July 2013 and the reactor vessel was installed in January 2014.

Containment vessel submerged in an ultimate heat sink for core cooling in a below grade reactor pool structure housed in a Seismic Category 1 reactor building.

The reactor building also provides radiation protection for plant operation and maintenance personnel.

The reactor building is a Seismic Category 1 reinforced concrete structure designed to withstand the effects of aircraft impact, environmental conditions, natural phenomena, postulated design basis accidents, and design basis threats.

The reactor building houses the systems and components required for plant operation and shutdown.

To the maximum extent practical, equipment rooms or vaults within the reactor building are partitioned to provide separation between primary and supporting systems for each NuScale Power Module.

The small footprint of the NuScale Power Modules plant and the low profile of the reactor building due to below - grade placement of the NuScale Power Modules and spent fuel pool offer a greatly reduced target size relative to traditional LWRs.

The reactor building and reactor pool are described below.