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Gov’t Nuke Experts: Top part of Reactor 1 containment may have opened up before first Fukushima explosion

Published: October 17th, 2012 at 7:37 am ET
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Title: The Fukushima Accident: Research at the Service of Communication
Source: CIEMAT (Centro de Investigaciones Energéticas, Medioambientales y Tecnológicas [Part of Spain's Ministry of Science and Technology])
Authors: Luis Enrique HERRANZ y Enrique GONZÁLEZ División de Fisión Nuclear del CIEMAT / CIEMAT Nuclear Fission Division

Fukushima Unit 1 Containment Design

[...]

H2 Explosions

The H2 that was produced reached the [Unit 1] reactor building (secondary containment) via one or more, still not clearly identified, paths. Initially, the presence of H2 in the building was related to the controlled vents made to limit the PC over-pressure. Another plausible hypotheses is the loss of airtightness of the upper head of the drywell which, according to studies performed in the 1990s, under high pressure and temperature conditions, could lose its hermeticity and allow gases to escape from the inside.

[...]

Watch nuclear expert Arnie Gundersen discuss the top lifting off Reactor 1 before explosion here

Published: October 17th, 2012 at 7:37 am ET
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4 comments

Related Posts

  1. Explosion Danger at Reactor No. 1? Worker says hydrogen levels over 4% in pipe leading to Containment Vessel — Mainichi: “Danger of explosion” if over 4% September 23, 2011
  2. ‘Significant failure of containment’ inferred by NRC after first explosion — Protective actions ‘well beyond 50 miles’ if containment failure February 27, 2012
  3. Explosion at Reactor No. 1 reportedly caused by damage from quake: NRC February 9, 2012
  4. Tepco admits high temps may have degraded containment vessels after meltdowns — ‘Massive amounts of fallout’ released from upper part of reactors? May 24, 2012
  5. Gundersen: Top lifted off Reactor No. 1 containment BEFORE explosion? (VIDEO) February 9, 2012
October 17th, 2012 | Category: Reactor No. 1
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4 comments to Gov’t Nuke Experts: Top part of Reactor 1 containment may have opened up before first Fukushima explosion

  • omniversling
    October 17, 2012 at 7:45 am

    yes, the bolts bolts on the lids of GE Mk1s stretch under excess pressure apparently…I remember Arnie Gundersen saying this in a Fairewinds clip months ago..anyone have the link? I'll look for it…are we saying the same thing?

    The dreadful reality is that if loss of coolant or other criticality problems arise, it takes hours to get the control rods up into the pressure vessel, and days to actually reach 'cold shutdown'.

    Unless of course you TEPKiLL, which means you can do it anytime you like…even 9 months and 5 days (give or take a day or two) after a full core meltdown (or three)..

    ..if only they could apply this incredible skill to containing the radionuclides and other cancer causing DNA trashing shite that is still spewing forth from DaiichiSauna, and mitigate the eternal consequences of their profound stupidity, arrogance and corruption…


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  • omniversling
    October 17, 2012 at 7:46 am

    PS…don't forget to smile if it doesn't work…


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  • omniversling
    October 17, 2012 at 7:52 am

    Apologies, I reffed the Pressure vessel, should have been Containment…anyway, here is the link..

    http://www.liveleak.com/view?i=6e8_1335404181&comments=1


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  • omniversling
    October 17, 2012 at 8:00 am

    Oops, just noticed Admin already has the link above…nice touch Admin…love yr work!


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