Thermoacoustic thermometry for nuclear reactor monitoring

The Fukushima Disaster - On Friday, March 11, 2011, at 2:46pm (Japan Standard Time), the Tohoku region on the east coast of northern Japan experienced what would become known as the largest earthquake in the country´s history at magnitude 9.0 on the Richter scale. The Fukushima Daiichi nuclear power plant suffered extensive and irreversible damage. Six operating units were at the site, each with a boiling water reactor. When the earthquake struck, three of the six reactors were operating and the others were in a periodic inspection outage phase. In one reactor, all of the fuel had been relocated to a spent fuel pool in the reactor building.