Recent content by Uagrepus
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Japan Earthquake: Nuclear Plants at Fukushima Daiichi
Different aspect, not impossible. Some indications: The holes in the turbine-building can't be from columns of the east-wall, because all of them are found in place or a few meters around.- Uagrepus
- Post #13,414
- Forum: Nuclear Engineering
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Japan Earthquake: Nuclear Plants at Fukushima Daiichi
I would vote for 2 east and 1 south, forming the "three-lobed shape of the flame": Most of the roof-panels in the SE-corner of U3 are oriented east-west and many were thrown to the turbine-building following this direction.- Uagrepus
- Post #13,388
- Forum: Nuclear Engineering
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Japan Earthquake: Nuclear Plants at Fukushima Daiichi
"Over the building" is not easy to locate in an exploding building, but there might be the key. The explosion kinetics changed IMHO in the moment, when most of the roof was open from the first implosion/explosion more or less inside the building. The two fireballs SE and NE mark the first...- Uagrepus
- Post #13,384
- Forum: Nuclear Engineering
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Japan Earthquake: Nuclear Plants at Fukushima Daiichi
Yes, there seems to be a slight expansion of the building in frame #-4 to #-1 due to overpressure (by the leakage?). The next plausible step suggested MadderDoc: "Hydrogen jets are prone to autoignition[...]". In the next frame #0 (after autoignition?) the building contracts on the upper floor...- Uagrepus
- Post #13,382
- Forum: Nuclear Engineering
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Japan Earthquake: Nuclear Plants at Fukushima Daiichi
I agree, that the leaking containment in the middle between north and south wall was most likely the origin of large amounts of hydrogen and steam in Unit3 and makes the difference to Unit4. But if hydrogen leaks from there, we get automatically concentration gradients, because the concrete plug...- Uagrepus
- Post #13,372
- Forum: Nuclear Engineering
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Japan Earthquake: Nuclear Plants at Fukushima Daiichi
Indeed. Looking at the roof-anchor in the picture (true?), the roof collapsed in the south region also in the first stage of the explosion. The big vertical mushroom afterwards "cleaned" that area then. After 14 months - is there any consensus if there were at least one or two...- Uagrepus
- Post #13,353
- Forum: Nuclear Engineering
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Japan Earthquake: Nuclear Plants at Fukushima Daiichi
The original photo with "fried pixels" near Unit 2 is in Tepco's press releases: http://www.tepco.co.jp/en/news/110311/images/110412_1f_tsunami_6.jpg The Exif-info of this picture shows the used camera was a Sony DSC-P32. Some people mod this model by replacing the infrared filter glass...- Uagrepus
- Post #8,115
- Forum: Nuclear Engineering
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Japan Earthquake: Nuclear Plants at Fukushima Daiichi
Thanks for your interpretation. So there is 1% left those colored sparkles are optical effects simply from oil? ;-) --> http://www.netimago.com/image_202942.html I have to look for similar fringed spots in satellite photos of the mexican gulf desaster ... EDIT: Colored sparkles found here...- Uagrepus
- Post #8,038
- Forum: Nuclear Engineering
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Japan Earthquake: Nuclear Plants at Fukushima Daiichi
Thanks. I came to that idea watching a remarkable aerial and what looks like prism effects there (near the coast line): http://www.digitalglobe.com/downloads/featured_images/japan_earthquaketsu_fukushima_daiichirec_march17_2011_dg.jpg- Uagrepus
- Post #7,963
- Forum: Nuclear Engineering
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Japan Earthquake: Nuclear Plants at Fukushima Daiichi
Hmm, just reflections from water droplets?- Uagrepus
- Post #7,958
- Forum: Nuclear Engineering
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Japan Earthquake: Nuclear Plants at Fukushima Daiichi
The most of these pixel errors I saw near Unit 2 (please zoom into the darker areas). Good to hear, radiation can't be the reason: http://img542.imageshack.us/img542/4963/no2fallout.th.jpg- Uagrepus
- Post #7,942
- Forum: Nuclear Engineering
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Japan Earthquake: Nuclear Plants at Fukushima Daiichi
Yes. There is a small evidence for slightly higher temperatures around this pile of rubble. But maybe just warm pipes:- Uagrepus
- Post #7,927
- Forum: Nuclear Engineering
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Japan Earthquake: Nuclear Plants at Fukushima Daiichi
Yes, the foto seems to be from behind a window (see the grid?), so an insect on it is possible also between 6 of 17 at 15h44 (1) and 7 of 17 at 15h44 (2). I agree, no smoke on the water ...- Uagrepus
- Post #7,831
- Forum: Nuclear Engineering
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Japan Earthquake: Nuclear Plants at Fukushima Daiichi
Thank you, the long discussed scaffold, aka "the green box", can be seen from this angle: And some black smoke somewhere near the turbine buildings on the last pic.- Uagrepus
- Post #7,822
- Forum: Nuclear Engineering
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Japan Earthquake: Nuclear Plants at Fukushima Daiichi
I don't think, it is ruptured. Just a matter of perspective:- Uagrepus
- Post #7,503
- Forum: Nuclear Engineering