英語 での Cold shutdown の使用例とその 日本語 への翻訳
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Reactor No. 3: Cold shutdown.
At 7:15 pm on March 15th,the reactor of Unit 4 achieved cold shutdown.
RPV temperatures remain above cold shutdown conditions, typically less than 95oC.
Can we really call this precarious situation a cold shutdown?”.
RPV temperatures remain above cold shutdown conditions in all Units,(typically less than 95 °C).
Units 5 and 6 remain in cold shutdown.
As a result, it was confirmed that prompt cold shutdown of the nuclear reactor will be possible given the tsunami countermeasures that are presently underway.
Can we really call this precarious situation a cold shutdown?”.
We are now making every effort to achieve the state of cold shutdown of the reactors roughly within 2011, ahead of schedule.
The Tokyo Electric Power Company says itwill take six to nine months to achieve a“cold shutdown.”.
The reactor pressure vessels' temperatures remain above cold shutdown conditions(normally less than 95 °C).
If the task force declares a cold shutdown, the next step will be moving the spent fuel rods in nearby cooling pools to more secure storage, and eventually opening the reactors themselves.
With these facts,it is estimated that Units 1-3 are kept in a stable cold shutdown condition.
Even though the plant has achieved what we call‘cold shutdown conditions,' it still causes problems that must be improved.”.
Also, for Step 2, the circulation injection coolingis continuing to take the nuclear reactor to cold shutdown conditions.
But temperatures inside the Fukushima power station's threemelted cores have achieved a"cold shutdown condition," while the release of radioactive materials is"under control," according to the International Atomic Energy Agency.
Long-term challenges include dealing with spent fuel in the storage pools and damaged fuel rods in the reactors,achieving cold shutdown, and decommissioning.
On December 16, 2012, then-Prime Minister Noda used what had untilthen been only a scientific term,“cold shutdown,” to declare a“state of cold shutdown” in circumstances where this could not be[scientifically] declared.
Most of the key infrastructures and fuel supplies have already been restored in disaster areas. But the situation at the nuclear power plant hasnot yet reached the stable stage of a cold shutdown.
December 16 The Government andTEPCO announce that the plant has reached cold shutdown and declare the accident over.
Despite insufficiencies in large tsunami countermeasures, TEPCO Fukushima Dai-Ni achieved an early recovery of external power supply and emergency repairs to cooling systems,and successfully completed a cold shutdown.
The complex still faces numerous concerns,triggering criticism that the announcement of“cold shutdown conditions” is based on a political decision rather than science.
Still, a spokesman for Tepco, Junichi Matsumoto, said Wednesday that the nuclear fuel was no longer eating into the concrete, and that the new simulation would not affect efforts to bring thereactors to a stable state known as a“cold shutdown” by the end of the year.
In accordance with ordinances on the technical evaluation of aging states(Note 2), Chubu Electric Power conducted anassessment assuming Unit 3 to retain its cold shutdown(Note 3), and thereby concluded that continuing the ongoing maintenance initiatives would allow for maintaining the integrity of the Unit's facilities.
They called issues inside the power plant"on-site" issues, implying there was little room for off-site intervention,and no projects after the"cold shutdown" declaration were deemed urgent.
Last week, Japanese Prime Minister Yoshihiko Noda said most majorthreats have been eliminated and“cold shutdown” status had been achieved in December.
This is useful since there is considerably little information on the Fukushima Dai-ni nuclear power plant,where they did not have accident and managed to bring into cold shutdown after the Great East Japan Earthquake.