Stability measurements in multifilamentary MgB2 tapes (Articolo in rivista)

Type
Label
  • Stability measurements in multifilamentary MgB2 tapes (Articolo in rivista) (literal)
Anno
  • 2007-01-01T00:00:00+01:00 (literal)
Alternative label
  • Gambardella, U; Saggese, A; Sessa, P; Guarino, A; Pace, S; Masullo, G; Matrone, A; Petrillo, E; Quarantiello, R (2007)
    Stability measurements in multifilamentary MgB2 tapes
    in IEEE transactions on applied superconductivity (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Gambardella, U; Saggese, A; Sessa, P; Guarino, A; Pace, S; Masullo, G; Matrone, A; Petrillo, E; Quarantiello, R (literal)
Pagina inizio
  • 2937 (literal)
Pagina fine
  • 2940 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 17 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy; CRIS Ansaldo, I-80147 Naples, Italy; Univ Salerno, Dept Phys, Supermat Lab, INFM,CNR, Salerno, Italy (literal)
Titolo
  • Stability measurements in multifilamentary MgB2 tapes (literal)
Abstract
  • We have analyzed the behavior of a 10 cm long straight piece of MgB2 copper stabilized multifilamentary tape, manufactured by Columbus Superconductors, in a nearly adiabatic condition. The tape was biased at different current values as a function of either the temperature or the induced heat disturbances at fixed temperatures. From the analyses of the voltage increase, recorded from voltage taps placed at known positions, we estimated the highest temperatures which give rise to a quench of the tape at constant values of the current bias. We also measured the minimum energy triggering the quench at fixed values of current bias and temperature. The voltage taps have also been used for homogeneity check of the physical properties which rule the thermal runaway in the tape. The voltage-versus-time curves in different sections of the tape also provide information about the quench propagation speed as a function of the hot spot energy and the temperature. Due to the composite nature of the tape, made of nickel, iron, copper, and MgB2 to perform simple FEA computation we modeled the tape with a one dimensional single wire with averaged value of the physical quantities involved in the Joule heat generation and thermal conductivity. (literal)
Prodotto di
Autore CNR
Insieme di parole chiave

Incoming links:


Autore CNR di
Prodotto
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#rivistaDi
Insieme di parole chiave di
data.CNR.it