Where does all the air go? (WAS: Re: ISS O2 questions? Re: where does all the water go?)

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Craig Fink - 22 May 2005 01:39 GMT

When the airlock door is opened?

I know were the Hydrogen goes from the Oxygen generator.

Who would be the right person to talk to in Russia about purchasing some
Hydrogen? A Used Progress? (http://www.physorg.com/news3238.html quote:
Progress 16 will be commanded to deorbit...It will burn up in the Earth's
atmosphere soon afterward.) In Orbit, of course, and at the space station.

Sorry, forgot the question.

Reference:

http://groups-beta.google.com/group/sci.space.station/browse_frm/thread/484ddc05
a6d35b4a/8084f92efdcf5cef#8084f92efdcf5cef
http://groups-beta.google.com/group/sci.space.station/msg/8084f92efdcf5cef?hl=en

> What percentage of the airlock air (O2 and N2) is recovered when the
> airlock is depressurized? The percentage that is pumped back into the
> Space Station before the vents are opened to the vacuum? And conversely,
> what percentage of air is lost when the vent is opened?
>
> How does this compare to the Russian airlock? What percentage of the
> airlock air (O2 and N2) is recovered when the airlock is depressurized?
> The percentage that is pumped back into the Space Station before the
> vents are opened to the vacuum? And conversely, what percentage of air
> is lost when the vent is opened?
>
> How does this compare to the Russian airlock?

and

http://groups-beta.google.com/group/sci.space.shuttle/msg/111941f38997565a?hl=en

> I believe the dehumidifier is different piece of equipment. They
> probably just store the water. In the case of the Shuttle, they can dump
> the water or store it for use on the Space Station. I remember one
> Thanksgiving here in Houston, the Shuttle flew over with the proper
> lighting to see it. Went outside to watched it and they performed a
> water dump over Houston. We could see the growing cloud of water from
> the water dump. Looked like a fast moving, fast growing comet.
>
> All the water that the dehumidifier takes out of the air can be used at
> a later date when the Electron is repaired. I believe the dehumidifier
> is different piece of equipment. They probably just store the water. In
> the case of the Shuttle, they can dump the water or store it for use on
> the Space Station. I remember one Thanksgiving here in Houston, the
> Shuttle flew over with the proper lighting to see it. Went outside to
> watched it and they performed a water dump over Houston. We could see
> the growing cloud of water from the water dump. Looked like a fast
> moving, fast growing comet.
>
> All the water that the dehumidifier takes out of the air can be used at
> a later date when the Electron is repaired.

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Craig Fink
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Craig Fink
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Brian Gaff - 22 May 2005 07:19 GMT

Erm, might have a slight problem storing it on orbit, and re the second, how
you going to get it back, and why would you want one? Lots of junk up there
if you want it, indeed, you could be performing a public service.

Brian

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Brian Gaff....Note, this account does not accept Bcc: email.
graphics are great, but the blind can't hear them
Email: briang1@blueyonder.co.uk
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> When the airlock door is opened?
>
[quoted text clipped - 49 lines]
>> All the water that the dehumidifier takes out of the air can be used at
>> a later date when the Electron is repaired.

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Space Forum / Shuttle / May 2005

Where does all the air go? (WAS: Re: ISS O2 questions? Re: where does all the water go?)