Title: Hot reading at reactor blamed on faulty gear
Source: Japan Times Online
Author: KAZUAKI NAGATA and MINORU MATSUTANI
Date: Feb 13, 2012
The temperature in the pressure vessel of reactor 2 at the Fukushima No. 1 nuclear power plant exceeded 90 degrees Monday, Tokyo Electric Power Co. said, but discounted the reading as the result of a faulty thermometer.
[...] we think it’s more likely now that the thermometer is broken rather than the temperature is actually rising,” Junichi Matsumoto, a Tepco spokesman, said at a morning news conference. [...]
Matsumoto said Tepco will not decrease the amount of coolant water for the time being for fear the temperature is in fact rising.
About 18 tons per hour of water currently is injected, up from 10.5 tons up until Feb. 7. [...]
The utility is checking the thermometer but is uncertain how long it will take to confirm its condition.
Toshihiro Yamamoto, a specialist in reactor safety management at Kyoto University Research Reactor Institute
- “It is unlikely the one showing 91.2 degrees is correct and the other two are incorrect because the other two show almost the same temperature”
- “It is also possible that the condition near one of the thermometers changed. Tepco should not rule out”
- “If the temperature is really above 90 degree, there may be a spot in the pressure vessel that is not getting sprinkled with water”
- “If nothing is done, the temperature will keep going up and the pressure vessel may get damaged”
- “Tepco will have to change the way it injects water or the amount of the water injected”
Read the report here
Published: February 13th, 2012 at 8:21 am ET
- Temps well above 100°C persisting at Reactor 2 gauge — Tepco claims malfunction, but had been stable previously January 16, 2012
- FNN: Temperature rising at Reactor No. 2 pressure vessel (VIDEO) — Fukushima worker more worried about No. 2 than No. 4 February 5, 2012
- NHK: “Possibility that there is little water left inside the Number 2 reactor” because of full meltdown — New gauge measuring water level not operating because temps are too high June 25, 2011
- Pressure doubles inside Reactor No. 2 containment vessel since start of April — Tepco making effort to reduce pressure April 24, 2012
- Tepco: Another thermometer breaks at Fukushima — Now only one left at bottom of Reactor No. 2 pressure vessel April 15, 2012