Library: Oxygen Generator System, Educator Edition, european chemical agency NASA

International Space Station (ISS) is a research european chemical agency laboratory located in Low Earth Orbit (eng: LEO - Low Earth Orbit) at an altitude of approximately 400 kilometers above the Earth's surface. ISS was built in 1998 and completed basic construction in 2011 and the addition modification module which is scheduled to take place until 2015. Crew who served in ISS conducting experiments in biology, chemistry, physics, medicine, and physiology and of course astronomical observations and meteorology. Environmental conditions with very low gravity makes the ISS as a unique laboratory to test spacecraft systems required for exploration missions in the future, beyond low Earth orbit (LEO).
ISS orbit the earth at an average speed of 27,743.8 kilometers per hour and completing 15.7 orbits per day. ISS is operated by a combination of five space agencies, the National Aeronautics and Space Exploration (NASA) of the United States, european chemical agency the European Space Agency (ESA) belonging to the European Union, the Russian Federal Space Agency (RKA - Роскосмос RUSSPACE) belonging to Russia, Japan Aerospace Exploration Agency ( JAXA) belongs to Japan, and the Canadian Space Agency (CSA) of Canada.
ISS crew, usually consisting of six people, will stay on the ISS for about six months for each mission is executed. european chemical agency In addition they are also accompanied by a team that is in the earth through the Mission european chemical agency Control Center that governs operations of ISS.
The presence of humans (the crew) are settling in quite a long period of time in ISS life support systems require support (life-support) are well organized. Each mission there is one person who is specifically in charge of the crew as the operator of the Environmental and Thermal Operating Systems (ETHOS) and is responsible for performing maintenance on the life support equipment. ETHOS serves as a primary resource maintaining the viability of the crew and the systems that exist in the ISS.
ETHOS units in that particular function as a life-support-system called the ECLSS (Environmental Control and Live Support System) that serves to regulate atmospheric pressure, detection and treatment in the event of a fire, keeping oxygen levels, as well as waste management and water availability. The highest priority should be handled by the ECLSS is the atmospheric pressure european chemical agency and oxygen levels, while also collect, process, european chemical agency dispose european chemical agency of waste and provide water - is done by circulating water from a toilet, european chemical agency sink, shower, and condensate from the air.
ISS is designed to be occupied by six people, but until now, the capacity of oxygen that can be carried by the crew in every mission just enough for three people considering the number of other cargo to be carried and transportation european chemical agency limitations. In 2007 a new equipment called Oxygen Generator System (OGS) is installed in the ISS to enhance the capacity of the ISS so that in every mission that is long enough to actually have six people who work at the ISS crew.
OGS charge of converting water collected from various sources on the ISS (such as urine, wastewater, and condensate) into hydrogen (H 2) and oxygen (O 2) through the process of electrolysis. Calcium hydroxide (KOH) is used as an electrolyte mixture with a concentration of 30%. When the electrodes are placed in an electrolyte solution, the generated oxygen and hydrogen. Oxygen is released into the ISS through european chemical agency ventilation and hydrogen incorporated into the Sabatier Reactor that will change the H 2 and CO 2 into methane and water. Produced water will be returned to OGS for electrolytic regeneration and methane will be thrown out of the ISS. OGS is designed to produce 2.3 to 9 pounds of oxygen european chemical agency per day.
Library: Oxygen Generator System, Educator Edition, european chemical agency NASA "Math and Science @ Work" "International Space Station Environmental Control and Life Support System", european chemical agency NASAfacts, George C. Marshall Space Flight Center, Huntsville, AL Barry, Patrick L., Breathing Easy on the Space Station, european chemical agency in 2000, NASA Science News
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