1979
DOI: 10.1063/1.1135718
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Precooling of a superconducting magnet using a cryocooler and thermal switches

Abstract: A simple precooling system for a superconducting magnet is developed using a Cryomech GB02 cryocooler and gas filled thermal switches. A superconducting magnet (NbTi wire, 7 T of maximum field, 5.6 kg of weight) is precooled to 16 K in about 70 h without any manual control. Heat transfer rate of each thermal switch (H2 or N2 gas filled at 1.3 MPa at room temperature) is about 3x10(-1) W/K during the ON state, and 5x10(-3) W/K during the OFF state.

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“…Prenger et al. [ 169 ] and Yamamoto and Yanai [ 170 ] tested a hydrogen‐based heat pipe for cryogenics. Sato [ 161 ] experimentally evaluated an acetone‐based thermal diode for electrocaloric refrigeration.…”
Section: Fluidic Thermal Control Devicesmentioning
confidence: 99%
“…Prenger et al. [ 169 ] and Yamamoto and Yanai [ 170 ] tested a hydrogen‐based heat pipe for cryogenics. Sato [ 161 ] experimentally evaluated an acetone‐based thermal diode for electrocaloric refrigeration.…”
Section: Fluidic Thermal Control Devicesmentioning
confidence: 99%