Japan's nuclear power plant problems - merged
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Bruce_the_vii @ Wed Mar 16, 2011 5:44 am
Pickering is about 30 minutes drive from downtown Toronto. In 1966 science was king and they didnt' think about things like meltdowns.
ShepherdsDog @ Wed Mar 16, 2011 6:22 am
$1:
German magazine Der Spiegel reports on its website: In spite of the situation getting worse, Japan is not allowing a team of russian veteran experts who helped to cope with the Chernobyl accident into the country. The Rosatom team is waiting on standby in Chabarovsk.
--From Reuters
![[huh]](./images/smilies/icon_scratch.gif "huh?"){kind=icon}
DrCaleb @ Wed Mar 16, 2011 7:47 am
Bruce_the_vii Bruce_the_vii:
Pickering is about 30 minutes drive from downtown Toronto. In 1966 science was king and they didnt' think about things like meltdowns.
Yes they did. That's why a key design of the CANDU reactor (Pickering has 8 of them) is that the heavy water is required for the nuclear reaction to occur. If the water boils off, or is removed through an explosive door on the bottom of the reactor in an emergency situation - all nuclear activity stops.
It's really hard to overcome the fear mongering of the media. Even sane people I know thought the 'explosions' at the Japanese plant were of a nuclear variety.
martin14 @ Wed Mar 16, 2011 8:21 am
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US Energy Secretary Steven Chu has just described events at the Fukushima plant as "appearing to be more serious than Three Mile Island". How much worse was not clear, he said, adding that it was very hard to tell how bad things were on the ground.
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Mr Chu said there were conflicting reports coming from Japan. The US teams who have travelled there are not only assisting the Japanese, but also ensuring that the US can secure its own measurements of what is happening, he said.
edit
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US Energy Secretary Steven Chu says the US is trying to send equipment to Japan to detect radiation levels in the ground. The department is also sending 39 personnel.
Boy, doesn't that speak volumes about their confidence in the Japanese.
BRAH @ Wed Mar 16, 2011 8:25 am
http://www.dailymail.co.uk/news/article-1366670/Japan-earthquake-tsunami-French-claim-scale-nuclear-disaster-hidden.html
Doesn't look good. 
martin14 @ Wed Mar 16, 2011 8:31 am
The pile of garbage on the left is Reactor 3.
The blue and white building with the big hole in it is Reactor 4.
I've heard they have brought in a water cannon to Reactor 4, they are going to use
it to shoot water into the hole, and bank it off the walls to get it into
the spent rod pools.. maybe.
Smacks of the water pistol into the clown's mouth to get a prize at the
carnival.
martin14 @ Wed Mar 16, 2011 10:28 am
Interesting, a model of the dispersal of the radiation released by the #3
explosion on Monday:
Guy_Fawkes @ Wed Mar 16, 2011 10:36 am
martin14 martin14:
Interesting, a model of the dispersal of the radiation released by the #3
explosion on Monday:
explosion on Monday:
Sarah Palin is going to loose her shit, look how close it got to her house!!!!11
Bruce_the_vii @ Wed Mar 16, 2011 10:47 am
DrCaleb DrCaleb:
Bruce_the_vii Bruce_the_vii:
Pickering is about 30 minutes drive from downtown Toronto. In 1966 science was king and they didnt' think about things like meltdowns.
Yes they did. That's why a key design of the CANDU reactor (Pickering has 8 of them) is that the heavy water is required for the nuclear reaction to occur. If the water boils off, or is removed through an explosive door on the bottom of the reactor in an emergency situation - all nuclear activity stops.
It's really hard to overcome the fear mongering of the media. Even sane people I know thought the 'explosions' at the Japanese plant were of a nuclear variety.
Well the nuclear reaction at the Japanese plants has probably been stopped but the problem is the fuels rods are highly radioactive and need to be cooled or they'll melt. This could happen to the Candu as well. My understanding is the Candu is not only heavy water based so the nuclear reaction stops if the water spills but that it has substantially more safety devices as well. These things are expert level, that's my little bit of knowledge.
PublicAnimalNo9 @ Wed Mar 16, 2011 11:11 am
Acutally, I'm kinda gald the media hasn't jumped all over the leak Pickering had earlier today. With the news coming out of Japan, this was not a good time for a leak at an NPP, no matter if it posed no real threat.
BartSimpson @ Wed Mar 16, 2011 11:51 am
ShepherdsDog ShepherdsDog:
BartSimpson BartSimpson:
The USS Ronald Reagan enjoys the advantage of being ridiculously mobile with a top speed in excess of fifty knots*.
Ummm I think you've confused knots with kilometres when you read the article on its specs. It's top speed is slightly over 30 knots per hour(which is very fast for a ship that size) which works out to about 56 kph- kilometres per hour.
Nope, not at all.
Here was my post from Dec 19, 2007 on this topic:
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The Reagan was 550 nautical miles from the Dawn Princess when the request for aid came in. Seven hours later the two ships closed to fifty nautical miles from each other. The Dawn Princess (which I was on this past April) can make turns for 19 knots. That means the Reagan made a minimum speed run of 52 knots. Gotta love nuclear powered aircraft carriers!
550 miles with an intercept value of 50 miles means 500 miles was closed in seven hours.
The Dawn Princess can make 19 knots. In seven hours that's 133 miles.
Leaving the Reagan on record covering 367 miles in the same seven hours.
The Reagan's speed therefore was an average of 52.43 knots.
martin14 @ Wed Mar 16, 2011 11:57 am
http://www.reuters.com/article/2011/03/ ... KO20110316
$1:
(Reuters) - The top U.S. nuclear regulator told Congress on Wednesday the United States won't be hit by harmful radiation from Japan's troubled reactors and that the evacuation area around those reactors is smaller than what it would recommend.
Gregory Jaczko, the head of the U.S. Nuclear Regulatory Commission, also said at a House Energy and Commerce subcommittee hearing that the spent fuel pool at Japan's troubled number four reactor has no water.
"There is no water in the spent fuel pool and we believe that radiation levels are extremely high, which could possibly impact the ability to take corrective measures," Jaczko said.
Gregory Jaczko, the head of the U.S. Nuclear Regulatory Commission, also said at a House Energy and Commerce subcommittee hearing that the spent fuel pool at Japan's troubled number four reactor has no water.
"There is no water in the spent fuel pool and we believe that radiation levels are extremely high, which could possibly impact the ability to take corrective measures," Jaczko said.
Spaniard @ Wed Mar 16, 2011 12:01 pm
I see all this has Merged, at 1:30pm Montreal just got rattle for a few seconds, a 4.7 earthquake in Lachute Quebec. No all is good I would have a hard time believing a tsunami appeared on the Saint Lawrence River, however if it happened in the Middle of the Great Lakes this could create one?
The Big Wigs in Japan have raised the Levels of Radiation exposure the Power plant works as individuals can be exposed to. They sent the Japanese workers back in over a hundred ++ to fix the Problem, this looks like a suicide mission for those individuals. If It's been days they haven't succeeded in cooling the rods and Rods that are exposed plus the explosion and fires. The Japanese Company and Government officials have been telling half truths or down playing the severity of this situation. Radiation is leaking into the air and the amounts are dangerous the evacuation zone was 30K, is it 40K? now.
BartSimpson @ Wed Mar 16, 2011 12:04 pm
Spaniard Spaniard:
I see all this has Merged, at 1:30pm Montreal just got rattle for a few seconds, a 4.7 earthquake in Lachute Quebec. No all is good I would have a hard time believing a tsunami appeared on the Saint Lawrence River, however if it happened in the Middle of the Great Lakes this could create one?
The Big Wigs in Japan have raised the Levels of Radiation exposure the Power plant works as individuals can be exposed to. They sent the Japanese workers back in over a hundred ++ to fix the Problem, this looks like a suicide mission for those individuals. If It's been days they haven't succeeded in cooling the rods and Rods that are exposed plus the explosion and fires. The Japanese Company and Government officials have been telling half truths or down playing the severity of this situation. Radiation is leaking into the air and the amounts are dangerous the evacuation zone was 30K, is it 40K? now.
The Big Wigs in Japan have raised the Levels of Radiation exposure the Power plant works as individuals can be exposed to. They sent the Japanese workers back in over a hundred ++ to fix the Problem, this looks like a suicide mission for those individuals. If It's been days they haven't succeeded in cooling the rods and Rods that are exposed plus the explosion and fires. The Japanese Company and Government officials have been telling half truths or down playing the severity of this situation. Radiation is leaking into the air and the amounts are dangerous the evacuation zone was 30K, is it 40K? now.
Not all tsunamis are 35 meters tall. Some are mere centimeters and a 4.7 probably generated some pond sloshers. We see this all the time in California with moderate quakes making waves in lakes and swimming pools.
Brenda @ Wed Mar 16, 2011 12:04 pm
$1:
the evacuation zone was 30K, is it 40K? now.
Depends. If you are a US citizen, they made it 80k (50 miles). You tell me who makes the problems seem worse than it is...
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