Author Archives: mitnse

Unit 2 Explosion and Unit 4 Spent Fuel Pool Fire

Explosion at Unit 2 It was reported earlier today that the explosion at Unit 2 of the Fukushima Daiichi plant damaged the suppression chamber.  As discussed in the previous post, the suppression chamber/torus (i.e. donut shape vessel containing water) is … Continue reading

Posted in Fukushima

Explanation of Hydrogen Explosions at Units 1 and 3

Explosions at units 1 and 3 occurred due to similar causes. When an incident occurs in a nuclear power plant such as a loss of coolant accident or when power is lost, usually the first response is to depressurize the … Continue reading

Posted in Fukushima

Damage to Fukushima Daiichi 2 [World Nuclear News]

Loud noises were heard at Fukushima Daiichi 2 at 6.10am this morning. A major component beneath the reactor may be damaged. Confirmation of loud sounds this morning came from the Nuclear and Industrial Safety Agency (NISA). It noted that “the … Continue reading

Posted in Fukushima

Status Update – 3/14/11 at 1:00 pm EST (Source – The Federation of Electric Power Companies of Japan (FEPC))

As of 1:00PM (EST), March 14, 2011 * Radiation Levels o At 9:37AM (JST) on March 14, a radiation level of 3130 micro sievert was recorded at the Fukushima Daiichi Nuclear Power Station. o At 10:35AM on March 14, a … Continue reading

Posted in Fukushima

Modified version of original post written by Josef Oehmen

About the original post Below is a revised and edited version of the original post written by Josef Oehmen that first appeared on Morgsatlarge. At Oehmen’s request the original post was checked for technical accuracy, revised and moved to mitnse.com. … Continue reading

Posted in Uncategorized