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To: All

Cutaway diagram of the central reactor vessel and thick concrete containment in a typical boiling water reactor of the same era as Fukushima Daiichi 1

6 posted on 03/12/2011 3:23:25 PM PST by Nobel_1 (bring on the Patriots!)
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To: Nobel_1

Yah beat me.


9 posted on 03/12/2011 3:28:33 PM PST by PA Engineer (Liberate America from the occupation media. There are Wars and Rumors of War.)
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To: All

Re: Pressure and releases

quote from the article’s analysis:

“Without enough power for cooling systems, decay heat from the reactor cores of units 1, 2 and 3 has gradually reduced coolant water levels through evaporation. The consequent increase in pressure in the coolant circuit can be managed via pressure release valves. However, this leads to an increase in pressure within the reactor building containment. Tepco has said that the pressure within the containment of Fukushima Daiichi 1 has reached around 840 kPa, compared to reference levels of 400 kPa.”

(840 kPa is approx 122 psi)


12 posted on 03/12/2011 3:34:39 PM PST by Nobel_1 (bring on the Patriots!)
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