For decades, NASA has relied upon hydrogen gas as rocket fuel to deliver crew and cargo to space. With the Centaur, Apollo
and space shuttle vehicles, NASA has developed extensive experience in
the safe and effective handling of hydrogen. For example, the rocket engines
of each shuttle flight burn about 500,000 gallons of cold liquid
hydrogen with another 239,000 gallons depleted by storage boil off and
transfer operations. Experts at Glenn Research Center, Kennedy Space Center, Marshall Space
Flight Center, Stennis Space Center and White Sands Test Facility are
proficient with hydrogen propellant transportation, storage, system
design, training, safety standards, hazard analysis, testing, vehicle
demonstration, technology transfer and outreach. With the recent focus on human missions to the moon and eventually Mars διαβάστε περισσότερα...
Πηγή: http://www.nasa.gov/topics/technology/hydrogen/hydrogen_2009.html
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