pressure vessel

The situation at Fukushima remains critical. Please read my last status update at http://majiasblog.blogspot.com/2011/06/ ... shima.html The news out today focuses on the degree of contamination and the situation at reactor 1, which is devoid of pressure. I’m not sure whether new confirmation...

TOKYO — The operator of the Fukushima Daiichi nuclear power plant said Saturday it has detected radiation of up to 4,000 millisieverts per hour at the building housing the troubled No. 1 reactor—the highest reading taken in the air inside the complex. Tokyo Electric Power Co also...

A meltdown occurred at one of the reactors at the Fukushima No. 1 Nuclear Power Plant three and a half hours after its cooling system started malfunctioning, according to the result of a simulation using "severe accident" analyzing software developed by the Idaho National Laboratory. Chris...

Plant operator Tepco reveals meltdown and breach of pressure vessel, with Greenpeace warning against pumping water in. Greenpeace has urged Tepco to abandon plans to flood the container with water, given the likelihood that melted fuel had damaged it. Shaun Burnie, nuclear adviser to Greenpeace...

Fuel rods in the No 1 reactor of Japan's Fukushima No 1 nuclear power plant may have mostly melted and dropped to the bottom of the pressure vessel as the water level in the vessel has been found to be significantly lower than thought, Tokyo Electric Power Co. said Thursday (May 12). The fuel...

Tokyo Electric Power Co. said fuel rods are fully exposed in the No. 1 reactor at its stricken Fukushima Dai-Ichi nuclear plant, setting back the utility’s plan to resolve the crisis. The water level is 1 meter (3.3 feet) below the base of the fuel assembly, Junichi Matsumoto, a general...