✦ LIBER ✦

Thermodynamic considerations for the refrigeration of rotating superconducting machinery

✍ Scribed by L.E. Haseler; R.G. Scurlock; G.K. Thornton

Publisher: Elsevier Science
Year: 1976
Tongue: English
Weight: 625 KB
Volume: 16
Category: Article
ISSN: 0011-2275
DOI: 10.1016/0011-2275(76)90211-3

No coin nor oath required. For personal study only.

✦ Synopsis

Helium refrigerant in a rotating superconducting coil will suffer temperature and pressure increases from the action of centrifugal forces. The compression is shown to be isentropic in many practical cases, and some experimental evidence is given. Possible thermodynamic states of helium are described for the refrigeration of Nb Ti and Nb3Sn superconductors. The interchange of heat and work between the helium and the rest of the rotor is examined, and possible novel features and limitations of refrigeration systems for rotating superconducting machinery are discussed.

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