Another thermometer on he top part of RPV is indicating the increasing temperature in reactor2

Fukushima Diary reported the unidentified increase of temperature in Reactor2 on 12/30/2012. (cf, [Disorder ?] A thermometer of reactor2 RPV indicating the rapid increase of heat, it reached 152.1℃ on 12/30/2012 [Link])
In this reactor2, another thermometer is indicating the increase of temperature. It’s located on the top of RPV.
According to Tepco, the dependability as “Middle”, which can be used for observation.

↓ The blue is the temperature indicated by the originally reported thermometer. The red is the one of the thermometer located on the top of RPV2. It’s picking up near the end of December. 2012.

Another thermometer on he top part of RPV is indicating the increasing temperature in reactor2

↓  [Look at the trend] The comparison of the temperature indicated by those 2 thermometers from the beginning of December. 2012. The left axis is for the red line, the right axis is for the blue line.

2 Another thermometer on he top part of RPV is indicating the increasing temperature in reactor2

↓ Location of the thermometer.

3 Another thermometer on he top part of RPV is indicating the increasing temperature in reactor2

Source 1 2 3

 

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Français :

Un autre thermomètre en haut de la RPV2 montre une augmentation de la température

Le 30 décembre 2012, le Fukushima Diary avait rapporté l’augmentation inexpliquée de la température dans l’enceinte primaire de confinement du réacteur 2 . (cf. [Panne ?] Un thermomètre de la RPV2 indique une montée rapide, il a atteint 152,1℃ le 30 décembre 2012 [Lien])
Dans ce même réacteur 2, un autre thermomètre indique une augmentation de température. Il est situé en haut de la RPV (= Reactor Primary Vessel = Enceinte de confinement primaire du réacteur).
Selon Tepco, sa fiabilité est de “moyenne”, il peut être utilisé pour les observations.

↓ En bleu, la température indiquée par le premier thermomètre l’ayant signalée. En rouge celui situé au sommet de la RPV2. Il indique que ça monte depuis fin décembre 2012.

Another thermometer on he top part of RPV is indicating the increasing temperature in reactor2

↓ [Regardez la tendance] La comparaison des températures indiquées par ces deux thermomètres depuis début décembre 2012. L’axe vertical gauche est pour la courbe rouge, celui de droite pour la bleue.

2 Another thermometer on he top part of RPV is indicating the increasing temperature in reactor2

↓ Position du thermomètre.

3 Another thermometer on he top part of RPV is indicating the increasing temperature in reactor2

Sources : 1 2 3

About this site

This website updates the latest news about the Fukushima nuclear plant and also archives the past news from 2011. Because it's always updated and added live, articles, categories and the tags are not necessarily fitted in the latest format.
I am the writer of this website. About page remains in 2014. This is because my memory about 311 was clearer than now, 2023, and I think it can have a historical value. Now I'm living in Romania with 3 cats as an independent data scientist.
Actually, nothing has progressed in the plant since 2011. We still don't even know what is going on inside. They must keep cooling the crippled reactors by water, but additionally groundwater keeps flowing into the reactor buildings from the broken parts. This is why highly contaminated water is always produced more than it can circulate. Tepco is planning to officially discharge this water to the Pacific but Tritium is still remaining in it. They dilute this with seawater so that it is legally safe, but scientifically the same amount of radioactive tritium is contained. They say it is safe to discharge, but none of them have drunk it.

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