Posts Tagged ‘JNES’

7.1 thousand trillion Bq of Cs-134/137 and 1.1 ten quadrillion Bq of Iodine-131 released to the sea from 3/26 to 9/30

According to JNES’s report “Severe Accident Analyses of Fukushima-Daiich Units 1 to 3″ published on IAEA general conference of 9/17/2012, Central research institute of electric power industry evaluated the amount of releases of radioactive material (I-131, Cs-134/137) to Pacific ocean. Their analysis shows 1.1 ten quadrillion Bq of Iodine-131 and 7.1 thousand trillion Bq of [...]

Tepco vented PCV of reactor1 after nuclear fuel melted through the RPV, twice

According to JNES’s report “Severe Accident Analyses of Fukushima-Daiich Units 1 to 3″ published on IAEA general conference of 9/17/2012, Tepco vented PCV twice after nuclear fuel melted through RPV in reactor1. Additionally, PCV had already leakage before their venting from the top head flange or machine hatch or both of them. Molten fuel can [...]

Environmental consequence analysis by JAEA shows the worse contamination situation than monitoring data by MEXT

According to JNES’s report “Severe Accident Analyses of Fukushima-Daiich Units 1 to 3″ published on IAEA general conference of 9/17/2012, environmental consequence analysis by JAEA shows significant difference from the monitoring data by MEXT. JAEA conducted preliminary environmental consequence analysis with the OSCAAR code developed by JAEA for level 3 PSA. ↓ Background of the map [...]

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