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Acronym for Environmental Control and Life Support System used on the International Space Station

22 questions
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6 votes
0 answers
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While researching Price per kg of cargo delivery to ISS and reading a comment from @DavidHammen, it became apparent that high Technical Readiness Level (TRL) technologies for recycling $\text{CO}_2$ ...
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14 votes
2 answers
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At the end of S02E08 of the TV show "For All Mankind", a cosmonaut is shot on the moon and a fire erupts within his suit. My understanding is that the pressure of pure oxygen within a ...
phil1008's user avatar
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23 votes
3 answers
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The radiators look like a highly stretched paper accordion. Is it just because of how they decomposed, or is there a deeper reason?
Saturn V's user avatar
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1 vote
1 answer
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According to Wikipedia, the solar panels of the ISS produce an average of about 120 kW of electrical energy, which is then used by the station's systems. Can it be converted into something other than ...
Saturn V's user avatar
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3 votes
1 answer
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How they add gases to high pressure tanks. Will the supply trucks bring it? And how will it be connected?
Saturn V's user avatar
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2 votes
1 answer
391 views

What exactly is the coolant used in the Soyuz external thermal loop, the one that just leaked out of a Soyuz docked to the ISS? I checked the Soyuz Crew Operations Manual but it just calls it the &...
Organic Marble's user avatar
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4 votes
1 answer
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On wikipedia, I believe that it will be the same as at sea level (101 kPa), or reduced (55 - 70 kPa). But what pressure will be normal in the cabin? What will the pressure be there during the flight?
Saturn V's user avatar
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8 votes
1 answer
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I know that the air on the ISS has to be constantly circulated. But how is this ensured? I see some ventilation pipes in the Russian segment, but what does it look like in the American one? I found ...
Saturn V's user avatar
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3 votes
1 answer
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I would need to estimate the weight of the life support system, specifically the weight of the oxygen subsystem. Are there weights for previous spacecraft available somewhere? Or is some other ...
Saturn V's user avatar
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11 votes
1 answer
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I'm doing research on life support systems for the design of a Martian scientific base, and I'm having trouble finding information about the specifics racks that keep pressure stable inside the ISS. I ...
Agus Gamalerio's user avatar
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2 votes
1 answer
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Do astronauts drink each their own pee or is there a common pee container where all pee get collected and processed? It's clear to me that the obtained water must be sterile, but even then, I imagine ...
Quora Feans's user avatar
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4 votes
1 answer
553 views

Within a space vessel such as the ISS for example, how do the astronauts regulate the level of CO₂ they are breathing and how is the air scrubbed exactly?
aitía's user avatar
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6 votes
1 answer
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This answer includes this schematic showing the overview of the water processing system on the ISS, found on page 341 (page 375 of the pdf) of The International Space Station - Operating an Outpost in ...
Speedphoenix's user avatar
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7 votes
1 answer
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I read this answer which raises the question of what happens to the silica gel used in the ISS once it has absorbed humidity. The ISS relies on silica gel to absorb humidity from the atmosphere to ...
usernumber's user avatar
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4 votes
1 answer
406 views

Outside the ISS in the orbital night, the temperature can reach -250 degrees Fahrenheit (-157 degrees Celsius). The ECLSS (Environmental Control System and Life Support System), more specifically the ...
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