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Originally posted by qmantoo
Quote by intrptr
...There is no containing these hi temp cutting torches or their emissions until the slow burn of remaining fuel in the corium masses is gone.
In other words at the end of the 100,000s of years it takes for the radionuclides in the 'blob' to reduce to inert and non-radioactive elements, and when there is no more fission reactions in the corium which generate this high temperature, then it will be gone. Do I have it correct?
Originally posted by zworld
The recent spike of rads in the US is one indicator. Notice how the spikes were following a pattern, and getting a little worse each time one rolled around.
Cooled blob is only half the problem though. These corium blobs are really large aren't they, and while they are still radioactive no-one can get near them to move them somewhere else. Plus they will be deep, deep in the ground by that time too.
They will cool thermally a lot sooner than a 100,000 years, but yah radwize you know they will remain a pain in the arse for a long time to come.
Originally posted by intrptr
Hey everyone. I have been busy elsewhere and just caught up reading some posts here. Wonderful work.
One small addition. Some pages back people were scrutinizing overhead pics of the electrical output building up on the hill behind reactor building #1. It was damaged to some degree but hard to make out from above. I was cruising Cryptome today and found this image which I cropped and brought here:
The shock wave from #1 raced out and was compressed as it climbed the hill to focus on the electrical building. This smacked the back wall pretty hard and the rebound collapsed the sheet metal on the walls facing #1. Note the debris scattered on the hill and around the building from the blast. This pic was taken Mar. 20, by RC plane. The plume from #2 (hole in the wall) is visible as is a small plume from top of #1 inside the girder cage.
A hybrid electric plant designed by General Electric. Mirrors focus sunlight on power towers, top right, that make steam that is injected through pipes into a turbine,center, to make electricity. Wind turbines, rear, make electricity to either help run the plant or to feed the grid.
General Electric and a small California company called eSolar announced a new strategy on Tuesday: use the solar power to make steam that will supplement the steam from the natural gas. And tack on some wind machines nearby, in an arrangement that lets the natural gas compensate for variations in the wind and sun. Standing nearby is a 250-foot tower surrounded by about 25,000 mirrors, each about the size of a big flat-screen television. Computers keep the mirrors focused on the tower, and inside the tower, water is boiled into steam. The steam flows into the turbine along with steam from the natural gas plant.
The two companies said they would break ground this year on a hybrid electric plant in Karaman, Turkey, to be owned by a Turkish project developer called MetCap Energy Investments. Part of it will look like a conventional combined-cycle gas plant, in which the natural gas is burned in a jet engine that drives a generator, and the exhaust gases are used to make steam to turn a steam turbine that also drives a generator. The design is based on a new model of G.E. natural gas plant called FlexEfficiency that is able to vary its output rapidly to make it a good dance partner for variable sources like wind and sun.
Mr. Browning said a customer that was considering supplementing natural gas with solar power would have to weigh the cost of gas, the cost of capital and the available incentives. “Gas in the U.S. is very cheap right now, and the renewable incentives in the U.S. are — let’s call them inconsistent and difficult to project into future,” he said. The price of natural gas in Turkey is more than double the price in the United Sates, he said.
"We would like to increase the number of tanks to accommodate the water but it will be difficult to do so indefinitely," Tepco spokesman Junichi Matsumoto told reporters.
He said the plant was likely to reach its storage capacity of about 155,000 tonnes around March. Tepco plans to come up with possible ways to handle radioactive waste and present its proposals to the government's nuclear regulatory body for approval.
"The government should not, and must not, approve a plan allowing Tepco to dispose treated water in the ocean," said Kenji Sumita, an emeritus professor at Osaka University who specialises in nuclear engineering.
"The reality is that semipermanent storage is the only solution available under current technological constraints. Tepco may have to find the storage space and look for a technological breakthrough in the coming years that allows it to condense and greatly reduce the volume of tainted water."
Japan is set to decide Dec. 16 that the crippled Fukushima Daiichi nuclear plant has been brought under control by achieving a stable state called "cold shutdown," government sources said Wednesday.
The government has determined that it is possible to put the Nos. 1 to 3 reactors at the complex in the stable state by year-end, a timeline envisaged for the completion of step 2 in a road map drawn up to bring the crisis under control, according to the sources.
The government has for months been trying to keep temperatures in the cores of the damaged reactors below the boiling point for water in a stable manner and prevent a fresh release of radioactive materials into the surrounding environment.
The decision is expected to be made at a meeting of the nuclear disaster countermeasure headquarters headed by Prime Minister Yoshihiko Noda on Dec. 16, they said.
About 900 Ground Self-Defense Force troops began decontaminating local government buildings on Wednesday in areas around the disaster-hit Fukushima Daiichi nuclear power plant in Fukushima Prefecture. The cleanup operation at municipal office buildings in the towns of Naraha, Tomioka and Namie, and the village of Iitate is set to last two weeks.
The work is to prepare operational bases for full-fledged cleanup that will start next year as a nuclear decontamination law goes into effect in January. The 900 troops consist of members stationed at camps in the prefecture and those trained to deal with radiation.
Of the total, 300 were each assigned to Tomioka and Iitate, while 150 were each sent to Naraha and Namie. They will clean up the buildings with high-pressure water sprayers and metal brushes, while monitoring radiation levels. They will also scrape off the top soil with heavy machinery and shovels, according to the GSDF.
Originally posted by Human0815
A few Month ago, when there was a huge Discussion about the Censorship,
the Japanese Government announced that they give a huge amount of Money
to a Japanese Media Company which will scan the Internet for wrong
and/ or dangerous Information to correct this on a own Web-page!
Do someone found this Page already?
o yasumiedit on 8-12-2011 by Human0815 because: spelling
Originally posted by Aircooled
Propaganda just flying.
Dear users of the ZAMG Fukushima Web Page!
Due to decreasing levels of radioactivity in the air measured in Japan (see image below: station RN038 = Takasaki, ca. 200 km away from NPP Fukushima Daiichi), we discontinued the following services:
Daily weather forecast for the region
Daily forecast of the spread of radioactivity in the atmosphere
Should the situation warrant a change, these services could be reinstalled at any time.
We would like to thank all users for their kind attention and the trust they put in our work.
ZAMG Task Force Fukushima