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Jul - News - Cooling System on the International Space Station fails New poll - New thread - New reply
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Sukasa

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Posted on 08-02-10 02:38:46 AM Link | Quote

Not exactly the best way to end your Saturday. Apparently a pump for one of the station's two ammonia-based cooling loops failed, prompting a breaker to open and shutting down cooling to internal communications and avionics equipment on board the station. Regularly planned spacewalks on Tuesday and Thursday have been put on hold, and the walks will instead be used to replace the failed pump and reactivate the cooling system.

The station's second cooling system remains operational and NASA stresses that the astronauts are in no danger, despite the 50% failure of the cooling system, a critical system aboard the ISS.

source

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Zero One
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Posted on 08-02-10 02:02:39 PM Link | Quote
Open the windows, let some cool void in.

On a serious note, is it actually going to get that hot in there?

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Posted on 08-02-10 02:07:16 PM Link | Quote
Originally posted by Zero One
Open the windows, let some cool void in.

You stole my reply! I was thinking the same exact thing when reading this, haha.

But yeah, I do hope that everything will be ok while they fix it.

Originally posted by Zero One
On a serious note, is it actually going to get that hot in there?

Its not an air conditioning type cooling system, its for some of the electronics and instruments on the space station. I think the air temperature is regulated by a heater, anyway.

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Lyskar
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Posted on 08-02-10 07:33:57 PM Link | Quote
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Metal_Man88's Post
Yes, especially when the undiluted sun gets on it. It's very serious, if the remaining cooling fails they could literally be baked to death by the heat.

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Zero One
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Posted on 08-02-10 07:35:51 PM Link | Quote
I remember the news saying that the heat is anywhere between -150 to 100 C.

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Posted on 08-04-10 04:31:02 AM Link | Quote
Space is not actually cold, perse. If unexposed to a source of heat long enough, one could become quite cold out there, but the temperature otherwise is... ...just... plain?

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Zero One
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Posted on 08-04-10 04:57:42 AM Link | Quote
Originally posted by Viola
Space is not actually cold, perse. If unexposed to a source of heat long enough, one could become quite cold out there, but the temperature otherwise is... ...just... plain?


It's -270 degrees celsius

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Sukasa

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Posted on 08-04-10 06:00:36 AM Link | Quote

The thing with space is that there's very little there, and as such conduction and convection cannot take place. Radiation is notoriously slow, meaning that you are not going to cool off that fast. In fact, temperature-wise, space is probably more hospitable than most places on earth, if you're in the shade. If you're in view of the sun or somewhere else, then you're in trouble. Prepare to be cooked very, very quickly.

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Katelynn
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Posted on 08-04-10 06:37:54 AM Link | Quote
If you want to get technical, outer space does not have a temperature. For a temperature to exist, matter has to exist in a certain area. If a certain area is devoid of all matter, there are no moving particles which is required. The only reason one would "freeze to death" in space is because all of the body heat we generate would eventually radiate out until the particles in our bodies stop moving.

Though since absolute zero on the temperature scale is theoretically impossible you could say that outer space's temperature is 0.0000...001 kelvin, infinitely small. That's only if you want to get technical on a technicality.

That sucks about the cooling systems on the ISS though. I imagine it gets pretty hot up there, what with all the computers, terminals and the sun and whatnot.

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Posted on 08-04-10 10:30:54 PM Link | Quote
Originally posted by Katelynn
If you want to get technical, outer space does not have a temperature. For a temperature to exist, matter has to exist in a certain area. If a certain area is devoid of all matter, there are no moving particles which is required. The only reason one would "freeze to death" in space is because all of the body heat we generate would eventually radiate out until the particles in our bodies stop moving.

Though since absolute zero on the temperature scale is theoretically impossible you could say that outer space's temperature is 0.0000...001 kelvin, infinitely small. That's only if you want to get technical on a technicality.

That sucks about the cooling systems on the ISS though. I imagine it gets pretty hot up there, what with all the computers, terminals and the sun and whatnot.


You technically beat me too it.

Living in a space station beats being out in space anyday, though.

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Posted on 08-07-10 11:50:31 AM Link | Quote
What exactly do they do on the International Space Station? I mean besides monitoring space and stuff. It just seems like they don't really make very many accomplishments up there. I mean who pays for all the trips to bring them supplies and stuff? Is it a collection of countries or are we footing the bill?
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Posted on 08-07-10 02:02:06 PM Link | Quote

It's a collection of countries. Also, they do a lot of microgravity scientific experiments in the fields of biology, chemistry, etc. Another advantage is that we're learning plenty of lessons about how life in space and equipment failures in space can be dealt with. The ISS has been a -huge- learning experience and if there were funding for it after 2015 it would continue to be a uge learning experience.

Instead, if they don't get new funding they'll just direct the thing into the atmosphere and burn it to a crisp. Brilliant.

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Posted on 08-07-10 02:28:25 PM Link | Quote
Originally posted by Sukasa
It's a collection of countries. Also, they do a lot of microgravity scientific experiments in the fields of biology, chemistry, etc. Another advantage is that we're learning plenty of lessons about how life in space and equipment failures in space can be dealt with. The ISS has been a -huge- learning experience and if there were funding for it after 2015 it would continue to be a uge learning experience.

Instead, if they don't get new funding they'll just direct the thing into the atmosphere and burn it to a crisp. Brilliant.

Oh, that is good to know. It is strange how you never hear about these things. The only time you hear about the ISS is when something goes wrong. Are you a science major Sukasa?
Sukasa

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Posted on 08-08-10 02:07:14 AM Link | Quote

No, I just take an interest in actual progress as opposed to the (wo)manchild daycares we call governments and the shit they cause.

Also I watched a fwe hours of the spacewalk earlier today. Pretty cool actually, though ML3's quick-disconnect valve is aparently broken, meaning they have to deal with that on the second walk and they'll need a third one to complete repairs. (ML1-3 are Ammonia lines connected to the failed pump)

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Aerakin
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Posted on 08-08-10 07:59:55 PM Link | Quote
Originally posted by Sukasa
No, I just take an interest in actual progress as opposed to the (wo)manchild daycares we call governments and the shit they cause.


It wouldn't have been surprising though, considering how many of us are majoring in sciences (scientific fields, rather).
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Posted on 08-09-10 01:44:06 PM Link | Quote
Update: Stubborn Fitting Holds up Space Station Repair Job

Hopefully the next attempt goes well.

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Sukasa

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Posted on 08-09-10 04:33:49 PM Link | Quote

I watched the repair live. Not only was the fitting stubborn, but leaky too.

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Lyskar
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Posted on 08-09-10 08:32:21 PM Link | Quote
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Quite a nasty plumbing job there, I must say.

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Orlandu


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Posted on 08-09-10 08:49:08 PM Link | Quote
Originally posted by Metal_Man88
Quite a nasty plumbing job there, I must say.

No kidding, they had to call in an expert:


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Zero One
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Posted on 08-09-10 11:56:49 PM Link | Quote
Originally posted by Orlandu
Originally posted by Metal_Man88
Quite a nasty plumbing job there, I must say.

No kidding, they had to call in an expert:


/facepalm

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Jul - News - Cooling System on the International Space Station fails New poll - New thread - New reply


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