Difference between revisions of "Atmosphere"
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There are several different types of atmospheres to consider. | There are several different types of atmospheres to consider. | ||
| − | Lunar atmosphere[http://en.wikipedia.org/wiki/Atmosphere_of_the_Moon] | + | [[Luna|Lunar]] atmosphere[http://en.wikipedia.org/wiki/Atmosphere_of_the_Moon] |
Earth's atmosphere[http://en.wikipedia.org/wiki/Earth%27s_atmosphere] | Earth's atmosphere[http://en.wikipedia.org/wiki/Earth%27s_atmosphere] | ||
Atmospheric pressure on Earth[http://en.wikipedia.org/wiki/Atmospheric_pressure] | Atmospheric pressure on Earth[http://en.wikipedia.org/wiki/Atmospheric_pressure] | ||
| − | The most important for Lunar development is the pressure inside your space suit or habitat. Here is a listing of the relative pressures of other environments and the percentage oxygen in each. | + | The most important for Lunar development is the pressure inside your [[Space Suits|space suit]] or habitat. Here is a listing of the relative pressures of other environments and the percentage oxygen in each. |
| − | Earth Sea Level Oxygen (21%) - 101.3 kPa | + | [[Earth]] Sea Level Oxygen (21%) - 101.3 kPa<BR/> |
| − | Mercury Program (100%) - 34.5 kPa | + | [[Mercury]] Program (100%) - 34.5 kPa<BR/> |
| − | Apollo Program (100%) - 34.5 kPa | + | [[Apollo]] Program (100%) - 34.5 kPa<BR/> |
| − | Skylab (70%) - 34.5kPa | + | [[Skylab]] (70%) - 34.5kPa<BR/> |
| − | Space Shuttle (28.5%) - 70.0 kPa | + | [[Space Shuttle]] (28.5%) - 70.0 kPa<BR/> |
| − | Cabin Pressurization[http://en.wikipedia.org/wiki/Cabin_pressurization] | + | [[Cabin Pressurization]] [http://en.wikipedia.org/wiki/Cabin_pressurization] |
| − | Generally if you don't get enough oxygen pressure you will get altitude sickness[http://en.wikipedia.org/wiki/Altitude_sickness#Altitude_acclimatization] | + | Generally if you don't get enough [[oxygen]] pressure you will get altitude sickness[http://en.wikipedia.org/wiki/Altitude_sickness#Altitude_acclimatization] |
| − | In the extreme case of a severe leak in space, you have to consider what the Death Zone does to climbers on Everest[http://en.wikipedia.org/wiki/Death_zone] | + | In the extreme case of a severe leak in space, you have to consider what the Death Zone does to climbers on Everest [http://en.wikipedia.org/wiki/Death_zone]. |
| − | Most desirable for long term habitats in space is somewhere around 40kPa total with about 60% oxygen. In the event of an sudden depressurization this ratio means you do not have a hard transition to switch to your backup breathing systems. The rest is Nitrogen, water vapor and trace amounts of CO2 which can be isolated quite easily. | + | Most desirable for long term habitats in space is somewhere around 40kPa total with about 60% oxygen. In the event of an sudden [[depressurization]] this ratio means you do not have a hard transition to switch to your backup breathing systems. The rest is [[Nitrogen]], [[Water Vapor|water vapor]] and trace amounts of [[Carbon Dioxide|CO2]] which can be isolated quite easily. |
| − | [[Category: Life Support]] | + | [[Category:Life Support]] |
| − | [[Category: Air Supply]] | + | [[Category:Air Supply]] |
Revision as of 06:08, 10 June 2007
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There are several different types of atmospheres to consider.
Lunar atmosphere[1] Earth's atmosphere[2] Atmospheric pressure on Earth[3]
The most important for Lunar development is the pressure inside your space suit or habitat. Here is a listing of the relative pressures of other environments and the percentage oxygen in each.
Earth Sea Level Oxygen (21%) - 101.3 kPa
Mercury Program (100%) - 34.5 kPa
Apollo Program (100%) - 34.5 kPa
Skylab (70%) - 34.5kPa
Space Shuttle (28.5%) - 70.0 kPa
Generally if you don't get enough oxygen pressure you will get altitude sickness[5]
In the extreme case of a severe leak in space, you have to consider what the Death Zone does to climbers on Everest [6].
Most desirable for long term habitats in space is somewhere around 40kPa total with about 60% oxygen. In the event of an sudden depressurization this ratio means you do not have a hard transition to switch to your backup breathing systems. The rest is Nitrogen, water vapor and trace amounts of CO2 which can be isolated quite easily.
