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VERSION:2.0
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SUMMARY:An Experimental Setup to Measure the Minimum Trigger Energy for Ma
 gneto-Thermal Instability in Nb3Sn Strands
DTSTART;VALUE=DATE-TIME:20120306T100000Z
DTEND;VALUE=DATE-TIME:20120306T110000Z
DTSTAMP;VALUE=DATE-TIME:20130620T005241Z
UID:indico-event-180592@cern.ch
DESCRIPTION:Magneto-thermal instability may affect high critical current d
 ensity Nb3Sn superconducting strands that can quench even though the trans
 port current is low compared to the critical current. The instability is i
 nitiated by a small perturbation energy which is considerably lower than t
 he Minimum Quench Energy (MQE). At CERN\, a new experimental setup was dev
 eloped to measure the smallest perturbation energy (Minimum Trigger Energy
 \, MTE) which is able to trigger the magneto-thermal instability in superc
 onducting Nb3Sn-strands. The setup is based on Q-switched laser technology
  which is able to provide a localized perturbation in nano-second time sca
 le. Using this technique the energy deposition into the strand is well def
 ined and reliable. In this presentation the instability is briefly discuss
 ed and the technical implementation\, the critical aspects of the design a
 nd some preliminary results are shown. The objective is to go through the 
 broad subject in intuitive manner without entering into details.\n\nhttp:/
 /indico.cern.ch/conferenceDisplay.py?confId=180592
LOCATION:CERN 30-7-010
URL:http://indico.cern.ch/conferenceDisplay.py?confId=180592
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