19 May '11, 7pm

The Importance of Venting, When a Reactor Threatens to Blow Its Stack: Emergency venting systems in Japan and th...

The Importance of Venting, When a Reactor Threatens to Blow Its Stack: Emergency venting systems in Japan and th...

The Importance of Venting, When a Reactor Threatens to Blow Its Stack By MATTHEW L. WALD Center for Strategic and International Studies How the failure to vent containments at Fukushima allowed explosions to occur. As I wrote in Thursday’s paper , the Fukushima Daiichi accident is renewing a debate over whether the emergency venting systems that were added to boiling water reactors 20 years ago should be opened only directly by operators or function automatically. At Fukushima and at plants in the United States, they variously require button-pushing in the control room, electricity or compressed gas to operate the valves, and/or muscle power on a crank. After the March 11 earthquake in Japan, operators there couldn’t make the valves work through any of these methods. This may have made the Fukushima accident more serious, because in several of the reactors, pressures rose ...

Full article: http://green.blogs.nytimes.com/2011/05/19/the-importance-...

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foe.org 21 May '11, 12am

Nick Berning, 703-587-4454, [email protected] ; Kelly Trout, 202-222-0722, [email protected] AP1000 Reactor Design in Grave Da...

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eatdrinkbetter.com 21 May '11, 10am

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