Fukushima and the Brunswick test

Arnie Gundersen of Fairewinds Associates has indicated a flaw in the BWR Mk I nuclear reactor containment design, pointing to a pressure test conducted at the Brunswick NPP in North Carolina 40 years ago. It involves the lid of the containment lifting up at pressures of around 100 psi (6.9 bar), allowing gasses to escape. This might have caused at least some of the hydrogen explosions that occurred at the Fukushima Daiichi NPP.

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