Electrodynamic sources of non-uniform heat production in composite superconductors causing instabilities

L.J.M. van de Klundert

    Research output: Contribution to journalArticleAcademic

    2 Citations (Scopus)
    16 Downloads (Pure)

    Abstract

    Model calculations of the electrodynamic properties of superconducting composites are usually carried out assuming that the material constants, such as critical current density and resistivity, are uniform over the cross-section of the composite, or at least rotationally symmetric. Also, the applied field is usually considered to be uniform over a distance compared to the composite diameter. In this paper the possibility will be discussed that non-uniformity in field and material properties may cause significant non-uniformity in heat production so to disturb the local temperature pattern and form sources of instabilities and quenches. The influence of the cooling conditions on the transport current-carrying capacity in the a.c. regime is also discussed.
    Original languageEnglish
    Pages (from-to)508-512
    JournalCryogenics
    Volume32
    Issue number5
    DOIs
    Publication statusPublished - 1992

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