Fukushima Daiichi Decay Heat & Corium Status Report
This report by the SimplyInfo.org research team explores the post-meltdown conditions at Fukushima Daiichi. The potential locations for the melted
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Search Results for: corium
Fukushima Corium Experiment Creates Unexpected Result
As part of an ongoing series of corium experiments our research team has been doing, the newest experiment created a
Read moreCorium Experiments; Pedestal Behaviors Using Lead Part II
Following the initial published findings of our corium experiments in lead, an additional run was done. Read about the initial
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Corium Experiments; Pedestal Behaviors Using Lead
As part of the ongoing work to better understand how corium (melted reactor fuel) can behave after burning through the
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SimplyInfo.org’s Fukushima Corium Research Experiment Results
In our research we have tried to find ways to help explain some of the behaviors seen in meltdown accidents.
Read moreNotes On Corium And Containment
My notes (Nancy’s) on the Reactor Safety Training Course (R-800) from the NRC http://pbadupws.nrc.gov/docs/ML0210/ML021080117.pdf The notes are an abbreviated gathering of
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SimplyInfo.org: Fukushima Unit 1’s Shocking Containment Inspection
What was found in this most recent round of inspections inside unit 1 was worse than any of our worst-case
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SimplyInfo.org; Fukushima Unit 1 Upcoming Inspection Details
TEPCO announced that the next phase of containment inspections inside unit 1 will finally take place in early 2022. This
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TEPCO Confirms Fuel Microparticles At Daiichi Reactors
TEPCO has confirmed new details about the existence of fuel microparticles at the three reactors that suffered meltdowns. Deeper detail
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New Discovery At Fukushima Unit 3 Provides Clues To Meltdown Severity, Environmental Releases
TEPCO recently published a video of the work to remove spent fuel from the unit 3 fuel pool. In this
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TEPCO Confirms Our Theory On Fukushima Unit 2
Revelations documented by The Mainichi from a late March press conference by TEPCO confirm our theories on unit 2. We
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New Fukushima Unit 1 Inspection; What You Need To Know
The long planned, next phase of inspection work inside unit 1 has finally been unveiled to the public. The plan
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Fukushima Unit 1 Upcoming Inspection; What You Need To Know
TEPCO and the various entities tasked with dealing with the disaster clean up at Fukushima Daiichi have announced details of
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Fukushima Unit 2 Fuel Debris Inspection Results
TEPCO completed another inspection inside unit 2 containment this week. The newest work involved attempting to move and grasp pieces
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SimplyInfo.org: Unit 2 Fuel Debris Report
New information has been released by TEPCO on unit 2’s missing fuel. This provides significant new clues to the meltdown
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SimplyInfo.org Analysis Of Fukushima Unit 2 Pedestal Inspection 2018
Our research team has reviewed the limited information provided by after the most recent inspection of unit 2. While the
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Fukushima Unit 2 To Be Scope Inspected In January
TEPCO and IRID announced that a new inspection scope has been developed to look into the unit 2 containment pedestal
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Fukushima Experts Tell All On Unit 3
This is a continuing report on the new findings for the reactors at Fukushima Daiichi from the recent NDF Conference.
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Experts Tell All On Fukushima Unit 2
This is a continuing report on the new findings for the reactors at Fukushima Daiichi from the recent NDF Conference.
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Experts Tell All On Fukushima Unit 1
The Nuclear Decommissioning Facilitation Corp (NDF) held their annual meeting recently. Presentations by various experts and those involved with the
Read moreNew Fukushima Unit 3 Videos Provide More Clues
TEPCO released two videos days after inspections inside unit 3 took place. These videos along with the related still images
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Fukushima Unit 1 Containment Inspection Update
TEPCO released a report with some new conclusions related to the earlier inspections of unit 1’s containment floor. The new
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Fukushima Unit 3 Inspections Find More Melted Fuel
Day 3 of the inspections inside the unit 3 pedestal have been concluded. TEPCO did not report if the ROV
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Fuel Residue Found In Fukushima Unit 3
TEPCO has announced that they have found what they believe is fuel residues inside the pedestal area of unit 3.
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Fukushima Unit 2 Confirmation Of Damage Found
IRID has released additional details about the damage found inside unit 2 on the recent inspections of the containment structures. A
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Scorpion Dies In Fukushima Unit 2, Sends Back Data
While the press reported Scorpion’s mission as a failure, it did provide useful data before being abandoned. The robot appears
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Pmorph Robot Prepares For Fukushima Unit 1 Entry
An improved version of the Hitachi shape changing robot previously used at unit 1 has been unveiled by IRID. The
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Fukushima Unit 2 High Radiation Damages New Robot
Preparation work with a cleaning robot was abruptly abandoned today. This cleaning robot was preparing an area for the Scorpion robot to
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Fukushima Unit 2 New Radiation Readings From TEPCO
TEPCO has provided more information on the exact location and nature of these radiation readings provided to the press late
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Fukushima Unit 2 Robot May Not Go In Due To Dangerous Conditions
TEPCO released further information on the scope inspection of unit 2. This included confirmation that our previous estimations of the
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Fukushima Unit 2 Failure Point Found!
NHK produced a stitched together photo of a 2 meter wide hole found in the pedestal area of Fukushima Daiichi
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What The New Fukushima Unit 2 Inspection May Indicate
TEPCO released photos and video of the preliminary scope work inside unit 2’s containment. The first set looked at the
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Fukushima Unit 2 Containment Inspection, What You Need To Know
IRID released a report late in December, 2016 that outlines in great detail, the technical tasks involved in the upcoming
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SimplyInfo.org Publishes New Report On Fukushima Daiichi
Our newest in depth report is available! Fukushima Daiichi Decay Heat & Corium Status Report Publish date: December 6, 2016
Read moreImportant Links
These resources and links have been collected since SimplyInfo.org began collecting data in 2011. Some may be outdated but are
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NRA Tells TEPCO To Reduce Radioactive Water In Reactor Buildings At Fukushima
NRA has instructed TEPCO to deal with the radioactive water in the reactor building basements at Fukushima Daiichi. The request
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Melted Fuel To Be Sampled From Fukushima Reactors Containment
A contract announcement confirms new plans for the melted reactors at Fukushima Daiichi. Efforts are underway to develop the equipment
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Fukushima Frozen Wall Progress And Failures
The frozen wall at Fukushima Daiichi has seen some minor progress amid ongoing problems with freezing portions of the wall.
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Possible Causes Of Fukushima Frozen Wall Failures
TEPCO reported last week that roughly 10% of the frozen wall is not working. Currently only certain sections are being
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New Plan To Inspect Fukushima Unit 1 Unveiled
IRID has published a new plan to complete phase 2 of the robot containment inspection of unit 1 at Fukushima
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