L10-liquefaction1 - LECTURE # 10 Topic: Liquefaction...

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Liquification 1 8/19/2005 LECTURE # 10 Topic: Liquefaction
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Liquification 2 8/19/2005 Liquefaction of Hydrogen s Heat of Normal-to-Para conversion s TS diagram for a pure substance s Milestones in hydrogen liquefaction s Liquid hydrogen production in the last 40 years s Hydrogen liquefaction plants in North America s Economics of liquefaction s Four things that can be done to a gas s Gas Liquefaction cycle temperature/Entropy diagram s Liquefier block diagram s Linde cycle s Temperature/Entropy diagram s Inversion curve for various gases s Linde Cycle with pre-cooling s Claude Cycle s Ideal Liquefaction and other cycles s Ortho-Para conversion Mechanics s Areas of possible improvement s Compressing hydrogen
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Liquification 3 8/19/2005 s Liquid hydrogen has the highest storage density of any method s But it also requires an insulated storage container and energy-intensive liquefaction process s Liquefaction is done by cooling a gas to form a liquid. s
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L10-liquefaction1 - LECTURE # 10 Topic: Liquefaction...

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