Containment at Fukushima (UCS)

[jpak]

http://allthingsnuclear.org/post/3792741638/containment-at-fukushima

The Japanese Nuclear and Industrial Safety Agency is now saying the containment pressure at Unit 1—not Unit 2, whose core cooling was said to have failed—has risen to about double its normal value.

The Tokyo Electric Power Company (TEPCO) has announced it will “implement measures to reduce the pressure of the reactor containment vessel for those units that cannot confirm certain level of water injection by the Reactor Core Isolation Cooling System, in order to fully secure safety.” It is not clear if this refers just to Unit 1, or to the other two affected units as well.

The increase in containment pressure resulted from the loss of alternating-current (AC) power to the reactors, which stopped the containment cooling system. There are large water-cooled air conditioning units inside containment. Motor-driven pumps send cool water to the units. Motor-driven fans blow air inside the containment across the metal tubes containing the cool water. But without AC power, the pumps and fans don’t work and can’t provide cooling. The heat radiating off the hot reactor vessel (over 500F) and the hot piping heats up the air in the containment building very rapidly, which causes an increase in pressure.

The rising pressure reduces the ability of the containment to absorb the energy released from a pipe rupture, should one occur. The volume of air in the containment building and its wall thickness are designed to contain a specified level of energy being dumped into containment. If the pressure gets too high, then an energy release like a broken pipe, should it occur, could over-pressurize the containment and cause it to fail. So emergency procedures call for venting air from the containment to reduce the pressure if it gets too high.

<more>

[meow mix]

1. great, containment failing and the nukeapologists just promised me this would NEVER happen

they are sick people

[Nederland]

2. Why don't you wait till containment actually fails...

...before passing judgement on whether or not people that disagree with you are "sick"?

[NNadir]

3. Um, really?

Sitting around praying for a nuclear death isn't "sick?"

There are thousands of dead people, killed by cars, dams and other stuff, and people who know nulcear science - as opposed to airheads who turn to anti-nuke news for pseudo scientific "information" are sick?

Thanks for sharing.

Have a nice day tomorrow.

[RaleighNCDUer]

4. It is the height of absurdity to claim that people who dread

the likelihood of containment breach are 'praying for a nuclear death'.

THAT is fucking sick.

[NNadir]

5. Bull. People DID die from this earthquake. They died in cars, from dams, from buildings falling

and from a host of other issues.

And yet...

And yet...

All we hear about from nitwits is the nuclear plant, with NOT ONE demonstrated death. Not one.

Now, if there is a death from a nuclear event in Japan - one - we will hear decades of fetishized nonsense, even though the same assholes will not be advocating for banning buildings.

If any of the assholes here fetishizing about the possibility of a nuclear energy related death has expressed in this forum, a shred of interest about the deaths from cars, dams, gas leaks or any other issue, before this challenge, they can post a link.

Otherwise I will have to assume that they are wishing for a nuclear death, so they can validate their decades old fantasy that nuclear energy isn't safer than dangerous fossil fuels.

They're full of shit.

Where are all the "buildings are unsafe" threads?

[RaleighNCDUer]

6. Know what that sounds like to me?

The RW assholes who, when we say our policies sparked the anger of the Muslim extremists, are saying we are blaming America first, and we are doing Al Queda's job for them.

NOBODY FUCKING WANTS A MELTDOWN. A MELTDOWN IS STILL A POSSIBILITY.

Where the fuck do you get off saying anyone WANTS it to happen?

The only fetishists here are the pro-nuke guys who refuse to acknowledge the potential for disaster yet to come, on top of the disaster that has already occured.

[NNadir]

7. You're. full. of. shit.

If you had something to say that wasn't paranoid, you would have linked it.

You don't know anything at all about nuclear energy, and are relying totally on speculation and fear mongering.

[RaleighNCDUer]

8. You're the one making the weird RW guilt-by-association accusations,

while I am trying to talk technology and the limits of our engineering capabilities. If you are saying that a meltdown is not possible, you are no engineer. But of course, you are not saying that. You are saying that I want people to die, because I say that a meltdown IS possible.

So who is full of shit?

[NNadir]

9. I am merely asserting that you have selective attention.

If you had something to say about a burning refinery - which is happening - or gas leaks or people dead from falling buildings - you would say it.

But.

You.

Don't.

Care.

About.

Any.

Of.

That.

You are talking incessantly not what has happened, but what could happen.

Every damn anti-nuke is the same.

Here's a film of the burning refinery:


http://www.youtube.com/watch?v=6_vZDXfxiSQ&feature=related

I'm sure you give a rat's ass about the people who will die from the fumes, right?

Well, I guess not.

[RaleighNCDUer]

10. I have selective attention?

You are the one who is incapable of focusing on the subject of the OP; in fact, is desperately intent on changing the subject from the OP.

What, in anything I've said, indicates that I am not appalled at the overall devastation and loss of life in Japan? I have nothing to say about those things because that is not what the thread is about. There are plenty of other threads talking about the tsunami, the quake damage, the fires. This thread is about the failing nuclear facility.

Focus.

[NNadir]

11. Yeah. YOU. Have. Selective. Attention.

EVERYTHING you said, indicates that you are not interested in the death and destruction in Japan.

You're sitting here, caterwauling about one aspect of the destruction in Japan.

You. Won't. Let. Go. Of. It.

Do you have any information about a single injury from the nuclear event?

Um, no.

You don't.

Not one.

Not one. In fact, it is the strategy of the anti-nuke set to focus on every nuclear event to the exclusion of all others.

I am merely pointing out that you have NO information about the OP and are sitting here discussing it endlessly in spite of the fact that other events have clearly cost lives.

Obviously the reactor is a problem, but it is not the major problem in Japan, but it is the only one you care to discuss.

I am a nuclear expert. You're, um, not.

But no matter.

If you have posted ONE remark about, say, sunken boats, or any other topic, you would have credibility.

There are nine million internet threads on the reactor but, if you look, you will see that there are very few on any other aspect here on this forum.

Why do you suppose that is?

Because anti-nukes have neither the guts, the intellect, nor the ethics to see past the little pine knots in their little brains.

Let me know when you give a fuck about the renewable energy tragedy that swept away 1800 homes.

Have a nice day tomorrow.

[RaleighNCDUer]

12. Yeah. OK. Go away and sleep it off.

After you've sobered up you might want to look at what is actually happening - Fukushima is apparently in MELTDOWN. Right now.

If you are so deeply interested in the tragedy there, why are you ignoring this aspect of it?

never mind.

Toddle off to bed now.

[AtheistCrusader]

14. Nice that you didn't notice Reactor 3 is now under control and safe.

Not seeing any details on Reactor 2.

Yes, Reactor 1 is in serious risk of the core melting. Not that it thus follows that the primary or secondary containment will be breached.

[RaleighNCDUer]

13. jpak, I want to apologise for contributing to the hijacking of your thread.

I should realize that you can't inform people who do not wish to be informed.