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# eddy-curr in a tube

- To: femm@yahoogroups.com
- Subject: eddy-curr in a tube
- From: Roberto Brambilla <rlbrambilla@cesi.it>
- Date: Wed, 04 Apr 2001 16:01:24 +0200

    Hi, femm-friends

    I have a tube of finite length=2L, inner-radius=b,
    outer radius=a, relative mag. perm.=mur,
    el. conductivity=sigma.
    An infinite alternating current line Io.exp(jwt) is positioned
    (1) on the axis of the tube;
    (2) parallel to the axis, out at a distance c<b (inside).
    Do you know if any analytical solutions for eddy currents
    in the tube exist to compare with FEMM analysis?
    Thank you in advance Roberto.
    Roberto Brambilla
    CESI
    Via Rubattino 54
    20134 Milano
    tel +39.2.2125.5875
    fax +39.2.2125.610
    rlbrambilla@cesi.it

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