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The multipurpose helium refrigerators/liquefiers for the new CERN experimental area

The helium plants described have a nominal capacity of 100 liters/hour or 400 Watts at 4.4K and can also be operated in mixed duty over the whole performance range. The plants feature oilfree labyrinth-piston compressors and turboexpanders with self-supporting gas bearings plus magnetic auxiliary be...

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Detalles Bibliográficos
Autores principales: Eber, N, Hostettler, A, Kurtcuoglu, K, Senn, A
Lenguaje:eng
Publicado: 1979
Materias:
Acceso en línea:http://cds.cern.ch/record/875367
Descripción
Sumario:The helium plants described have a nominal capacity of 100 liters/hour or 400 Watts at 4.4K and can also be operated in mixed duty over the whole performance range. The plants feature oilfree labyrinth-piston compressors and turboexpanders with self-supporting gas bearings plus magnetic auxiliary bearings. The greatest peculiarity of the new plants is the first time combined use of cold and warm ejectors. (1 refs).