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battery performance Battery performance

http://www.smartgauge.co.uk/peukert_depth.html more maths for the peukert equation to give correct results based of different discharge ratings.

actual NASA blueprints

NASA Acronyms

http://spaceflight.nasa.gov/cgi-bin/acronyms.cgi
ARS – Atmospheric Revitalization System
PCS – Pressure Control System
ATCS – Active Thermal Control System
RCS – Reaction control system
EPS – electrical power system
ECLSS – Environmental Control and Life Support System
WCS – (Human) Waste Collection System http://spaceflight.nasa.gov/shuttle/reference/shutref/orbiter/eclss/wcs.html

APU – Auxiliary Power Unit http://spaceflight.nasa.gov/shuttle/reference/shutref/orbiter/apu/

ECLSS – Environmental Control and Life Support System

ECLSS is functionally divided into four systems:
ARS – Atmospheric Revitalization System
PCS – Pressure Control System
ATCS – Active Thermal Control System
– Supply and waste water system
stores water produced by the fuel cells plus waste water from the crew and humidity separator.

ARS – Atmospheric Revitalization System

CO2

There are various ways of removing CO2 from the air.

http://en.wikipedia.org/wiki/Carbon_dioxide_scrubber

LiHO canisters

Passing the air through LiHO canisters (on the space shuttle each canister lasted 48hours )

Sabitier reactor

CO2 +H2 -> H2O + CH4 + heat

Molecular sieves

Carbon dioxide is removed from the atmosphere by molecular sieves. Eventually the sieve becomes saturated and the CO2 must be vented to space (a vacuum) . After venting the sieve is refreshed and can be use to absorb more CO2. Thus 2 sieves are needed. While one is venting the other is absorbing. They swap cycles every half hour.

Nasa Spacecraft Manuals

http://www.nasa.gov/centers/johnson/news/flightdatafiles/index.html

http://spaceflight.nasa.gov/shuttle/reference/shutref/

http://www.nasa.gov/centers/johnson/pdf/390651main_shuttle_crew_operations_manual.pdf

http://www.nasa.gov/centers/johnson/pdf/383439main_apu_hyd_wsb_21002.pdf

http://www.space1.com/

http://www.theguardians.com/Microbiology/gm_mbs03.htm

environmental systems

http://suzymchale.com/ruspace/issrslss.html

http://www.kent.ac.uk/physical-sciences/RePh/Lunar%20Colony_website/life.html