Lower head failure: RPV pressure decreases while containment pressure increases (-20 hr)
Fukushima Unit 2 accident progression is protracted because of various mitigation measures taken.
- April 2011 – Fukushima Reactor 3 – Questions about RPV/Containment (enformable.com)
- March 11th, 2011 – Wonder about the details of how this played out. – Official sources can’t or won’t comment – Pressure rose over 1.5x design pressure of RPV? (enformable.com)