福島第一 Fukushima Unit 3 Plume プルーム (HD)

UPDATE: now I believe the best explanation for Unit 3 is an ex-vessel steam explosion: http://lewrockwell.com/orig4/goddard2.1.1.html

A steam explosion does not exclude a nuclear criticality as considered in this video (in fact the explosion of the Borax test reactor was both a criticality and a steam explosion http://www.youtube.com/watch?v=yUhVGH-WHKk#t=4m00s ), but at the same time a steam explosion does not require a criticality because interactions of molten fuel and water are sufficient to generate a steam explosion.

##
プルームのデータは、文部科学省からのものです。
Plume data is from the Ministry of Education, Japan:

低標高のプルーム
Lower-Elevation Plume
http://www.mext.go.jp/component/a_menu/other/detail/__icsFiles/afieldfile/201...

高標高のプルーム
Higher-Elevation Plume
http://www.mext.go.jp/component/a_menu/other/detail/__icsFiles/afieldfile/201...

From the U.S. Nuclear Regulatory Commission's leaked assessment of Fukushima : "Fuel pool is heating up but is adequately cooled, and fuel may have been ejected from the pool (based on information from TEPCO of neutron sources found up to 1 mile from the units, and very high dose rate material that had to be bulldozed over between Units 3 and 4)." Page 10: http://www.wdr.de/tv/monitor//sendungen/2011/0407/pdf/Assessment.pdf

"A Neutron source is a device that emits neutrons. "
http://en.wikipedia.org/wiki/Neutron_source

Category:

News & Politics

Tags:

• Unit 3
• plume
• 福島第一
• 放射線
• プルーム
• nuclear
• fukushima
• radiation
• contamination
• dose
• atomic
• nuclear energy
• nucléaires
• Kern-
• 핵무기
• nucleare
• yt:stretch=16:9
• yt:quality=high

[rainkame2]

Thanks for the masterpeice! One can observe from your vid. that the densely populated Kantou region was badly hit by the plume, maybe, the first and the worst incident in the history of human technology.

[GoddardsJournal]

@rainkame2, thanks! :)

The Kantou region may have taken its biggest dose from Fukushima Daiichi by way of the lower-elevation plume of the explosion of Unit 3. This video shows contaminated soil in the Kantou region watch?v=X01om7oUtEs and other dosimeter videos from the region can be found @ asuperdry

[antiprotons]

Well, I am still not convinced about the fuel, but Uranium is pyrophoric, so it is possible. The Tepco reports and WNN reports I have read have not suggested that the ceiling fuel storage tanks were in use; but they didn't say they were not either. Luckily it didn't go up anywhere near the way Chernobyl did or much of Japan would be the new red forest by now.

As for the video: Excellent job with composition! Good job!

[GoddardsJournal]

@antiprotons, thanks Tom! :) The fuel pool I show is on the upper deck and was / is in use. It can be seen in aerial imagery, as for example here: watch?v=bNC7aMc1MP4#t=1m5s

Yeah, by all measures, even eyewitness, the Chernobyl explosion was larger and spewed much more radioactive pollution. But the Unit-3 blast was certainly the second largest nuclear-power-plant explosion, as well as the largest one ever captured on film.

[pcuimac]

You should know that a reflection from the waals would not have lead to a vertical ejection of a plume. H2 Flagrations don't produce explosion plumes. The core exploded and sent the roof and crane sky high

[GoddardsJournal]

@pcuimac, the impulse from an explosion inside a tube will be magnified at its outlet versus an explosion in open air. This underlies how guns work. The rigid walls of Unit 3 (versus the blowout walls of Unit 1) acted like the barrel of a gun, channeling the impulse through the weaker roof.

Also, hydrogen explosions can be detonations. Google: hydrogen deflagration to detonation transition

It's tempting to assume, but in fact the Unit-3 blast was not the core exploding : watch?v=bNC7aMc1MP4

[Chromatomania1369]

首都圏もやっぱり汚染されてる可能性高いんだね

[yy999kk]

しっかり山脈に遮られてる。

[biukucanoe]

Somebody needs analyze wher the center of the plume is. Seems to be right of the tower stack, which would put it on the spent fuel plume rather than the reactor well which is more like directly behind the tower.

[biukucanoe]

@pcuimac The big roof crane is clearly visible still on the top floor, it looks like a caterpillar from the side. The refueling platform on the other hand is nowhere to be seen. It's the size of a bus, and it's about the size of the big hole on the turbine building roof next door, and about the size of a big black piece of debris seen falling from the plume. Only a massive explosion under the crane could send it flying. Steam is from edges of reactor lid, not open well.

[Fox250R]

point of this vid?

[AustralianCannonball]

I like the transistion from the explosion to the Google Earth Imagery. This is quite an impressive simulation and would of taken much research and technical ability. Well done Ian!.

[asuperdry]

Excellent job, that was very well done!