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  • Digitale Medien  (3)
  • 1975-1979  (3)
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Materialart
  • Digitale Medien  (3)
Erscheinungszeitraum
Jahr
Schlagwörter
  • 1
    Digitale Medien
    Digitale Medien
    Scattering by a slender void in a homogeneous conducting wire rope (1978)
    Springer
    Applied physics 16 (1978), S. 391-398 
    Details
    ISSN: 1432-0630
    Schlagwort(e): 41.10.Hv ; 84.40Mk
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Maschinenbau , Physik
    Notizen: Abstract A thin prolate spheroidal void in an infinite conducting circular cylinder is used to model a broken strand in a wire rope. The rope is excited by an azimuthal magnetic line current which is a model for a thin toroidal coil. The anomalous external fields are computed from the induced electric and magnetic dipole moments of the void. The results have applications to nondestructive testing of wire ropes.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00885864
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Impedance of an electric dipole located in a cylindrical cavity in a dissipative medium (1976)
    Springer
    Applied physics 11 (1976), S. 351-356 
    Details
    ISSN: 1432-0630
    Schlagwort(e): 84
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Maschinenbau , Physik
    Notizen: Abstract The electromagnetic fields of an electric dipole located inside a cylindrical cavity or empty tunnel are formulated. The results are used to deduce an expression for the change of self-impedance due to the presence of the cavity or tunnel walls. A numerical evaluation of the resultant convergent integral and a summation of the angular harmonic series were performed. An important finding is that the input resistance of the dipole is approximately a constant for frequencies less than about 25 MHz for a typical tunnel radius of 2 m. Such results are shown to be in qualitative agreement with an earlier analysis of an electric dipole over a dissipative half-space.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00919363
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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    Artikel (Nationallizenzen)
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  • 3
    Digitale Medien
    Digitale Medien
    Electromagnetic field perturbation by an internal void in a conducting cylinder excited by a wire loop (1979)
    Springer
    Applied physics 18 (1979), S. 141-147 
    Details
    ISSN: 1432-0630
    Schlagwort(e): 41.10 Hv ; 84.40 Mk
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Maschinenbau , Physik
    Notizen: Abstract A thin prolate spheroidal void in an infinite conducting circular cylinder is used to model an internal flaw in a wire rope. The rope is excited by an electric ring current which is a model for a thin solenoid or multi-turn wire loop. The anomalous external fields are computed from the induced electric and magnetic dipole moments of the void. For this type of excitation, the induced axial magnetic dipole moment is the dominant contributor to the scattered field. The results have application to nondestructive testing of wire ropes.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00934408
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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    Artikel (Nationallizenzen)
    Volltext
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