Hiroaki Koide

Professor Akira Hiroshi Koide Journal nightgown Santa Kyoudai Reactor
April 5, 2011 (Tuesday) 21:00 to 22:00 Oosaka MBS Radio Mainitihousou

Cassette tape recorded and then, once awakened to play while listening (I once Aya Tamotsu) there may be some mistakes, please bear with us

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Small) water reactor Koide Kyoudai) of crystal Akiko Mizuno Mainitihousou announcer) Mainitishinbun Hirano

The first 15 minutes, the nuclear-related news, it's appearance Koide
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The emission concentration standards from radioactive iodine ◉ 1.3 billion times "critical" re the possibility of

Wednesday) evening Dr. Koide.
And I heard the news today, we are an amazing number line. Now, radioactive iodine contaminated water in a place called the pit in question is determined by the extent of the country 1.3 million times, has come out say one hundred million units. I have come more and more high numbers, see this become a teacher Koide, what is it's one of the more expensive course?

Small) example, I have followed the accident. The reactor is not broken on March 11, followed by convergence towards 一向Ni not later. Even now, I sometimes think that I'm a little too optimistic thoughts.

Water) Dr. Koide, "sweet" seems to be where you are?

Small) Well, I once stopped a nuclear reactor. That the reactor stops, but the fission of uranium is that it stops.

Water) I'm horrible like that fission of uranium, you reach.

Small) that we start the fission of uranium, "critical," I called, I was gonna stop but it started again, maybe it is, that we are "critical" re-call but I,

Wednesday), "again, re-starting the critical-critical"

Small) Yes, maybe it is going to happen, now I think.

Water) Uh, Mr. Koide, this is a serious accident but really well, "critical" re telling me is I was going to reach,

Small) Yes, I think I was that way.

Water) I reached the critical re-because they do not happen to have started what is it?

Small), which decrease in the concentration of iodine 一向Ni Uh, I have rather been increasing. Iodine is a radioactive half-life of eight days since, more than three weeks already, it is not far from three weeks, three times it has been since the half-life, 10 / 1 for me is even less excuse But more to come is the reason why it still decrease, when the analysis of radionuclides in groundwater turbine building Actually, there is a little different radioactive chlorine 38

Water) chlorine?

Small) Yes, chlorine

Water) chlorine?

Small) Yes, they meant it was detected, it is "critical" re is that it can not be explained otherwise have occurred. However, that measurement errors are presented TEPCO and the government so far it is from another bunch there, but I still have the possibility of measurement error, the chlorine-38 nuclei of unusual radionuclide But I get Teiu gamma radiation emitted by it, that I discovered my mistake, I do not think. So, if the correct presentation of TEPCO, and it's not wrong analysis, "critical" re-and perhaps to have become, and now I think.

Water) but I was TEPCO data.

Small) it is.

Water) and chlorine 38 are out.

Small) it is.

Water) that is of course TEPCO The "critical" re-I feel it's right now, but it is supposed to get hit.

Small) Well, it just is I have that 134 lie Yo seems to be going out when the world second coming, that I announced it has detected Toukyoudenryoku ago, I was at that time did not expect the world Second Coming and so did not think would happen, this measure would make a mistake, I have something I said. Then, sure enough, I was wrong. I had that. I think this is a mistake that they will not be with me, that the high rate lies Yo, maybe, and now I think I look like.

Water) which, either at a yes or no or a thought that maybe Rassharu now, so you can have confidence that the next will have to make sure that you mean?

Small) Now, the water leaked from reactor I have been more directly linked to the flow turbine building, I think we need to analyze exactly where the water of the turbine building. Or rather difficult to go to the site itself is terrible and I just try to do the analysis, the exposure is that I must.

Of) This is what I'm going to be that containment is no longer destroyed after the Second Coming and the world is awake if temporarily?

Small) that I re-criticality, and an explosion that happens it is not.

Water) What is the difference?

Small) and you end up in the critical re-explode, but I think maybe everyone is not the case. Where I'm having a critical re-by it is a fever has begun fission of uranium and the critical Re, that I but I do not have to assume there is a place that solidified melted uranium, uranium It is a place they gather. It changes the shape of it. The temperature rises, fit is critical and changes shape. I came back fit and also based on, back and fission begins. I suspect that has fallen into a situation where burning rash.

Water) is that fission rash is that it sometimes happens. It has happened to you if you are, and that the fission of uranium is going to change shape at the location where the critical melt solidified uranium, what you can afford what is it then?

Small) can not turn the heat up, all the time, state that you are moving a small nuclear reactor Chai has become a state that they can not stop moving. That is moving, is that you create from the fission products one after another, after another comes to radioactive leaks. I had that would lead to more than one million times the concentration of iodine that you might think.

Water) that, while higher concentration of more and more lies Yo, what up to now is that we did more and more types of radioactive materials?

Small) so

Water) What is the environmental impact of anything?

Small) Of course, that the concentrations of lies Yo, you is the reason why going with the flow radionuclides dark in the environment that much, that it is made radionuclides new radioactive new environment which also is a translation that lead to environmental pollution went out nuclides.

Flat) and this continues, what are all the other would melt the fuel rods themselves?

Small) but the fuel rods themselves are made of zirconium metal, I do not see it all again. I do not think the form of a bar anymore.

Water) are not in the form of fuel rods.

Small) Yes, well it was the uranium fuel pellets inside the bar, I think that china is deposited, but a mountain of uranium about the size of your little finger.

Water) deposited on where you do you?

Small) It is a place I know well.

Flat), but well known, I'm called out the bottom.

Small) that the bottom is the bottom of the pressure vessel, and said that now I have a lot of pellets at the bottom of where you think it is called the core.

Water) pressure vessel to the bottom of the idea of ​​not going down.

Small) in my imagination at all.

Water) for the worst if not the pressure vessel to the bottom Ikanakere?

Small) Well, it is to do with the trigger could be the worst that I have stayed at the bottom of the reactor core rather say this, I'm afraid.

Water) Why?

Small) a pressure vessel, it is a pressure cooker, even though it translation has to cool the reactor into the water among them, part of the core is shown and data are becoming almost naked again. There is a translation but I steam is cooled, so that the pressure vessel to the bottom of pressure cooker, I think probably there is water. Behind in pellet fuel rods lost their way and government cover part of the core in the state, the idea that in the heat became world Second Coming and the heat emitted by its radioactive nuclides that decay heat So now I but I began to think more and more pellets of uranium will melt then. When it comes to fall to the bottom of the water remaining in the pressure vessel while a significant fraction melted, steam explosion that happens I fear the most.

Water) Oh, how to deal with work still come under the irrigation So far What is expected of you sure?

Small), of course, the coolant must. Wed sure is we need to include, but are chemicals that suppress boron fission Maybe I'm too small and the injection volume.

Water) as a nuclear power plant can be put around the boron is something for it as much as is available?

Small) Well, the first accident, I think that put a lot Toukyoudenryoku. I also feared would put a critical re-Nde. I do not know how much is left of boron among the Fukushima nuclear power plant at the moment.

Water) if there is a need to put more of boron, boron must be collected into a lot of Fukushima and what it proactive?

Small) as that of the people of the Hashi Hukushima arrangements may be doing because I know now, just imagine that I am simply saying that I can imagine that If you would not know Fukushima hand I think it would have hit.

Flat) in ◯ now, that I have a fear of re-criticality from No. 3 to No. 1 or No. 2 would do it No. 3?

Small) and most probably do not No.1

Wed.) This is what I have if I just watched a rocket? In that sense.

Small) is not the case. So critical that you re-listen to this before, that can lead to fire exploded just is not so rash, as you will once again melt significantly at Unit 2 reactor at Unit 3. 往Kemasen to do that anyway under cool water into a three and two. Potentially critical to the core must be re Irenakere boron.

Water) in a situation where I have come that experts like Dr. Koide it is also such as evacuation of residents in the vicinity of what now is okay with this?

Small), but I'm afraid that I was told many times before, the reactor core melted down, but they're afraid of a meltdown and that is, never happen. I have to say is (of course! Anna and Mizuno), but I say that it remained confident. And if it would occur, so that the explosive radiation comes out, people around you for the resolution is, of course, that attitude is much that is and always ran to Itadakanai Do not.

Water) Yes. What are you out of these important data from TEPCO enough? But I also know that we Shiroto observed.

Small), so I only get public information, the figures published on the Internet TEPCO, the number out of the palace, leaving the number of hospital safety, only numbers I can not see it like that. But they think I'm supposed to have one more drink.

Flat) I'll go out of government decision-intensive, but individually I get, I'll never put out a political decision that the public announcement that might be the worst teacher like I'm afraid now. This is like a panic, I guess I'm just afraid that something like that right?

Small) I'm not just saying what I, what I fear the government panicked.

Water) is one of the most important of course but I have to do over I would think, to ensure that the world is not going to say that Sun Koide Second Coming, the data is rather a mistake quick I'm the best.

Low) That's right. Front, it is said that it was incorrect measurements of 134 Iodine, but it is not down pat her chest thinking Yokatta to do I'll say it was wrong traits of 38 of the crawl again or drain it of iodine It is not what I'm getting tremendous concentration have come to because I think you'll say it wrong.

Water) really hope so now.

Small) I hope so. And thank you again tomorrow.
　　Professor Akira Hiroshi Koide of the University's Research Reactor Institute, Kyoto University, thank you very much.