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Magnetic refrigerator: applications for the aerospace plane.

Author(s) : HENDRICK P. C.

Summary

Future aerospaceplanes will have to use liquid or slush hydrogen as a fuel and oxygen liquid enriched air in the very attractive solutions of liquified air cycle engines and of Liquid Oxygen Collection Systems. As its liquefaction process is too expensive, hydrogen costs too much but a solution to this could be the magnetic liquefier which has the potential for improved efficiency. A hydrogen magnetic liquefier based on the magnetocaloric effect, adiabatic demagnetization and ortho-para hydrogen catalytic conversion is presented. Paramagnetism and cooling by adiabatic demagnetization can also be used to build a magnetic separator intended to separate (from nitrogen) and liquify oxygen from deeply cooled atmospheric air captured during the flight.

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Pages: 1137-1143

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Details

  • Original title: Magnetic refrigerator: applications for the aerospace plane.
  • Record ID : 1996-1350
  • Languages: English
  • Source: For a Better Quality of Life. 19th International Congress of Refrigeration.
  • Publication date: 1995/08/20
  • Document available for consultation in the library of the IIR headquarters only.

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