Sunday, December 15, 2019
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Corium

The Latest 

Fukushima Nuclear Fuel Imaging Tool Created For Under $150

October 24, 2019October 24, 2019 Editor 0 Comments 3d, Containment, Corium, daiichi, fuel debris, fukushima, imaging, nuclear fuel, robots, ROV

Researchers developed a 3D imaging system that could be used to located Fukushima’s melted nuclear fuel for under $150 using

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The Latest 

SimplyInfo.org; New Clues To Melt Through At Unit 2

April 25, 2019 Editor 0 Comments Corium, criticality, fissioning, fuel debris, fukushima, recriticality, unit 2

As we work through refining what took place at Fukushima Daiichi, old data can have new meaning in light of

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The Latest 

TEPCO Confirms Our Theory On Fukushima Unit 2

April 16, 2019April 15, 2019 Editor 1 Comment Corium, decommissioning, fuel debris, fuel removal, fukushima, inspection, 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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The Latest 

Fukushima Unit 2; New Containment Panorama Photos

April 1, 2019April 1, 2019 Editor 0 Comments Containment, Corium, fuel debris, fukushima, pedestal, photos, unit 2

A pair of new panoramic photos from inside Fukushima unit 2’s containment have been published. TEPCO provided the photos as

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The Latest 

Fukushima Unit 2 Fuel Debris Inspection Results

February 14, 2019 Editor 0 Comments 2019, Corium, daiichi, fuel debris, fukushima, inspection, pedestal, unit 2

TEPCO completed another inspection inside unit 2 containment this week. The newest work involved attempting to move and grasp pieces

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The Latest Uncategorized 

SimplyInfo.org: Unit 2 Fuel Debris Report

May 7, 2018May 7, 2018 Editor 0 Comments 2018, Corium, fuel debris, pedestal, report, scope, unit 2

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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The Latest 

SimplyInfo.org Analysis Of Fukushima Unit 2 Pedestal Inspection 2018

February 2, 2018 Editor 0 Comments 2018, Corium, fukushima, inspection, pedestal, scope, unit 2

Our research team has reviewed the limited information provided by after the most recent inspection of unit 2. While the

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The Latest 

TEPCO Withholds Critical New Fukushima Meltdown Data From Public

January 23, 2018January 22, 2018 Editor 0 Comments 2018, contaiment, Corium, fuel, fukushima, pedestal, scope, unit 2

Last week another inspection was conducted inside unit 2 at Fukushima Daiichi. This new work looked inside the reactor pedestal

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Uncategorized 

Fukushima Unit 1 Containment Inspection Update

July 30, 2017July 29, 2017 Editor 0 Comments 2017, Containment, Corium, deposit, fuel, fukushima, unit 1

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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The Latest 

Fukushima Unit 3 Inspections Find More Melted Fuel

July 22, 2017 Editor 0 Comments Containment, Corium, day 3, fukushima, inspection, pedestal, ROV, unit 3

Day 3 of the inspections inside the unit 3 pedestal have been concluded. TEPCO did not report if the ROV

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The Latest 

Fuel Residue Found In Fukushima Unit 3

July 22, 2017 Editor 0 Comments Containment, Corium, fukushima, inspection, pedestal, robot, ROV, sunfish, 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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The Latest 

Authority Confirms Dry Removal Plan For Fukushima Daiichi

July 6, 2017 Editor 0 Comments Corium, daiichi, decommissioning, dry, fuel, fukushima, method, removal

The decommissioning authority (NDF) for Fukushima Daiichi has confirmed they will likely use a method to attempt to remove melted

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Featured 

Fukushima Unit 2 Failure Point Found!

February 2, 2017 Editor 0 Comments Corium, fukushima, hole, pedestal, scope, unit 2

NHK produced a stitched together photo of a 2 meter wide hole found in the pedestal area of Fukushima Daiichi

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The Latest 

What The New Fukushima Unit 2 Inspection May Indicate

February 2, 2017 Editor 0 Comments 2017, Corium, fukushima, pedestal, scope, unit 2

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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The Latest 

SimplyInfo.org Publishes New Report On Fukushima Daiichi

December 6, 2016 Editor 0 Comments Corium, daiichi, decay heat, fuel, fukushima, research, simplyinfo.org

Our newest in depth report is available! Fukushima Daiichi Decay Heat & Corium Status Report Publish date: December 6, 2016

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The Latest 

Melted Fuel To Be Sampled From Fukushima Reactors Containment

July 19, 2016July 18, 2016 Editor 0 Comments Containment, Corium, fukushima, james fisher nuclear, mitsubishi, sampling

A contract announcement confirms new plans for the melted reactors at Fukushima Daiichi. Efforts are underway to develop the equipment

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Uncategorized 

TEPCO’s Two Tales About Fukushima Missing Melted Fuel

May 26, 2016 Editor 0 Comments Corium, fuel, fukushima, Interview, masuda, missing, TEPCO

Fukushima Daiichi decommissioning chief, Naohiro Masuda spoke with Australia ABC TV this week about where the melted fuel is. Masuda

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The Latest 

Researchers Confirm 100% Of Fukushima Unit 2 Core May Have Melted

September 26, 2015 Editor 0 Comments Corium, daiichi, fukushima, location, meltdown, muon, nagoya university, reactor core, unit 2

Nagoya University announced that their ongoing research of the unit 2 reactor at Fukushima Daiichi has shown that 70-100% of

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The Latest 

Fukushima Daiichi Updates From IRID Part 4; Fuel Debris Study

December 8, 2014 Editor 0 Comments Corium, fukushima, IRID, JAEA, research, tmi

JAEA and IRID have been working on various project for removal and storage of the corium (melted fuel) in the

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The Latest 

IRID Admits Fukushima Unit 1 Fuel May Be Outside Of Containment

September 15, 2014 Editor 0 Comments Containment, Corium, daiichi, debris, fuel, fukushima, IRID, unit 1

The head of IRID made this interesting admission during the fall meeting of Atomic Energy Society of Japan last week.

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The Latest 

Fukushima Unit 3 Reactor Vessel Failure Preceded Explosion

August 7, 2014 Editor 0 Comments Corium, explosion, fukushima, unit 3, vessel failure

As part of TEPCO’s admission that 100% of the unit 3 core has melted and left the reactor vessel, they

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Featured The Latest 

Fukushima Corium Experiment Creates Unexpected Result

June 30, 2014June 29, 2014 Editor 0 Comments Corium, Edano, experiments, fukushima, lead

As part of an ongoing series of corium experiments our research team has been doing, the newest experiment created a

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Featured The Latest 

Corium Experiments; Pedestal Behaviors Using Lead Part II

May 29, 2014May 28, 2014 Editor 0 Comments Corium, experiment, fukushima

Following the initial published findings of our corium experiments in lead, an additional run was done. Read about the initial

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Featured The Latest 

Corium Experiments; Pedestal Behaviors Using Lead

April 16, 2014April 15, 2014 Editor 0 Comments Corium, Edano, experiment, fukushima, melt

As part of the ongoing work to better understand how corium (melted reactor fuel) can behave after burning through the

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The Latest 

SimplyInfo.org Fukushima Proposals To Be Validation Tested In Japan

March 21, 2014 Editor 0 Comments contaminated, Corium, daiichi, fukushima, IRID, METI, mitsubishi, proposals, validation, water

METI announced today in an email and press release that four ideas brought about by the IRID call for proposals

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Featured The Latest 

SimplyInfo.org Submits 3 Proposals On Fukushima Fuel Removal

January 30, 2014January 30, 2014 Editor 0 Comments Corium, fuel debris, fuel removal, fukushima, IRID, proposals, submissions

Our research team has submitted three novel proposals to IRID related to the fuel location and removal challenges at Fukushima

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Featured The Latest 

SimplyInfo.org’s Fukushima Corium Research Experiment Results

December 12, 2013January 3, 2014 Editor 0 Comments Corium, daiichi, experiment, fuel, fukushima, melt, pedestal

In our research we have tried to find ways to help explain some of the behaviors seen in meltdown accidents.

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The Latest 

TEPCO Fails To Release Portion Of Unit 1 Torus Inspection

November 21, 2013 Editor 0 Comments Corium, fuel, fukushima, meltdown, robots, room, TEPCO, torus, unit 1

TEPCO recently released videos and reports of their work in the unit 1 torus room. The work was split into

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The Latest 

Unit 1 Leaks Found; We Have The Details

November 14, 2013 Editor 0 Comments Containment, Corium, leaks, torus, unit 1

TEPCO has investigated the torus room of unit 1 with the new boat robot. This was an effort to look

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The Latest 

Unit 2 Pedestal Opening Shows Damage; First Image

August 12, 2013August 12, 2013 Editor 0 Comments Containment, Corium, fuel, inspection, pedestal, unit 2

The image above is the first glimpse of the right side of the pedestal opening for the CRD drive. This

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The Latest 

TEPCO Needs To Disclose Melted Fuel Locations

July 29, 2013July 29, 2013 Editor 0 Comments Corium, disaster, fuel, fukushima, nuclear, TEPCO

TEPCO released some rather rosy estimations of the meltdowns at Fukushima Daiichi back in November 2011. These estimations at the

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Reactor 1 The Latest 

What The Melted Fuel At Fukushima Unit 1 Looked Like In The Pedestal

January 11, 2013January 11, 2013 Editor 0 Comments Corium, fuel, meltdown, unit 1

A recent report by Sandia National Lab indicated that about 140,000kg of melted fuel and debris was released out of

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The Latest 

Unit 1; Post Quake Reaction & Torus Oddity Indicate Larger Problem

December 8, 2012 Editor 2 Comments Corium, quake, torus, unit 1

We have reported extensively about a phenomenon going on inside unit 1 since the accident. Whenever there is a strong

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The Latest 

More On Muon Core Imagining At Fukushima

October 21, 2012 Editor 0 Comments core, Corium, fuel, imaging, los alamos, muon

Los Alamos National Lab (LANL) announced last week that they want to try a technique to image where the melted

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Featured The Latest 

Unit 1, Where The Melted Fuel Is

October 15, 2012October 16, 2012 Editor 6 Comments Corium, failure, fuel, radiation, readings, torus, unit 1

Update: The source for unit 1 torus radiation had an incorrect link. The correct link has been added to the

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The Latest 

Researchers To Use Tiny Space Particles To Look Inside Fukushima Reactors

January 8, 2012January 8, 2012 Editor 0 Comments Corium, muon, Nagoya

Nagyoa University researchers are working on a plan to examine the Fukushima Daiichi reactors using muon particles in a process

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The Latest 

A Series Of Unfortunate Events at Fukushima Daiichi

January 7, 2012 Editor 1 Comment Corium, fukushima, unit 2, unit 3

There have been a number of odd happenings recently at the plant. What they all mean right now is not

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The Latest 

Two New Technical Reports On Fukushima

November 13, 2011November 12, 2011 Editor 0 Comments Corium, explosion, fukushima, meltdown, NEI, technical

NEI, a nuclear power industry group put together a detailed technical report on Fukushima Daiichi and the accident. The PDF

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Research Projects Technical Documents 

Notes On Corium And Containment

September 27, 2011 Editor 0 Comments Containment, Corium, fukushima, NRC

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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