We do this trick with our 800 MHz Oxford Instruments-built magnet often to impress some folks:
Remove the probe and plug bore of the magnet with a rubber cork. Take a donut-shaped disk made of aluminum, put it right under the magnet an let it hang there and slowly fall to the ground.
My question is - can field induced by moving an external conducting object like that disk affect the superconductor and cause a quench?
Check if somebody has answered this question on NMRWiki QA forum
2: Superconducting NMR magnets
2: Superconducting NMR magnets
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2: Superconducting NMR magnets
More tricks using an 11-Tesla superconducting NMR electromagnet. These are used for chemistry research; for determining the detailed shape of unknown molecules using "two dimensional nuclear magnetic resonance."
From: wbeaty
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nmrlearner
NMR educational videos
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08-18-2010 01:38 AM
NMR Oxford Superconducting magnet QUENCH at Reading University
NMR Oxford Superconducting magnet QUENCH at Reading University
http://i.ytimg.com/vi/nBVHnZ8tru0/default.jpg
NMR Oxford Superconducting magnet QUENCH at Reading University
400MHz Oxford superconducting magnet Quenched by opening the vacuum valve to a little helium gas. It filled the ceiling with helium gas boil off from probably about 40 Litres of liquid helium.
From: sbscottmonkey
Views: 4580
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