Fermi National Laboratory

Operation Terminology


A vacuum insulated, cryogenic radiation insulated, low conduction heat loss vessel for cryogenic fluids. A Dewar is a vacuum insulated container for keeping material, chiefly liquids, cold or hot. The common thermos bottle is an example of a Dewar. At Fermilab Dewars store large quantities of cryogenic liquids.

last modified 9/30/2002   email Fermilab
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