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Retained water underground temperature went up by 10℃ near Reactor 2 / Tepco “Still investigating the cause”
Following up this article.. Tepco to give up the preceding frozen wall and directly fill the trenches with cement instead [URL]
The retained water temperature went up by 10℃ on 10/29/2014 near Reactor 2. Any following data has not been announced by 11/3/2014.
Tepco had been trying to fill the underground trench with cement and grout from 10/20 to 10/29/2014.
After they injected the plastic grout material on 10/29/2014, one of the thermometers showed rapid increase in water temperature.
The thermometer is located in the upper part of the trench, where is not filled by cement yet. It was approx. -15℃ but went up to -5℃ within 24 hours.
Other thermometers are not showing large increase in temperature.
Coolant water that touched molten fuel is likely to be flowing where the issued thermometer is set. It is not known why retained water is being heated.
Tepco states they are still investigating the cause.
http://www.tepco.co.jp/nu/fukushima-np/handouts/2014/images/handouts_141031_08-j.pdf
Iori MochizukiThe post Retained water underground temperature went up by 10℃ near Reactor 2 / Tepco “Still investigating the cause” appeared first on Fukushima Diary.
Source: http://fukushima-diary.com/2014/11/retained-water-underground-temperature-went-10%e2%84%83-near-reactor-2-tepco-still-investigating-cause/
